Color

#370F59

Dark warm violet. Nearest reference color: Russian violet.

RGB

0–255

CMYK

0–100%

38.2%

83.15%

65.1%

RGB describes how #370F59 is represented with light on digital screens. This color combines red 55, green 15 and blue 89.

CMYK describes the same color using the four components commonly used in printing: cyan 38.2%, magenta 83.15%, yellow 0% and black 65.1%.

HSL values

H 272.43° S 71.15% L 20.39%

In the HSL color model, #370F59 has a hue of 272.43°, 71.15% saturation and 20.39% lightness. The sliders below show where this color sits across each of these three dimensions.

Color insight

#370F59 is a dark, warm violet with moderate chroma.

Temperature: Warm
Lightness: Dark
Chroma: Moderate

Color formats

Copy #370F59 in a format ready to use in CSS, design tools or other applications.

HEX #370F59

RGB rgb(55, 15, 89)

HSL hsl(272.43 71.15% 20.39%)

OKLCH oklch(0.28121 0.123279 303.7448)

CSS --color: #370F59;

Tints of #370F59

Tints are lighter variations of #370F59. They keep the character of the original color while moving progressively toward a lighter appearance.

#F2EAFF #C9A4F9 #9571C1 #64408C #370F59

Shades of #370F59

Shades are darker variations of #370F59. Moving toward black increases visual depth while preserving the underlying hue of the color.

#370F59 #2D014D #21003B #160029 #0B0019

Tones of #370F59

Tones reduce the chroma of #370F59, producing quieter and more muted variations without simply making the color lighter or darker.

#370F59 #34194F #311F45 #2E233B #2B2731

Tonal range of #370F59

A continuous light-to-dark scale places #370F59 between its lighter tints and deeper shades.

#F2EAFF #C9A4F9 #9571C1 #64408C #370F59 #2D014D #21003B #160029 #0B0019

CSS color scale

Use this tonal range as reusable CSS custom properties.

:root {
    --color-100: #F2EAFF;
    --color-200: #C9A4F9;
    --color-300: #9571C1;
    --color-400: #64408C;
    --color-500: #370F59;
    --color-600: #2D014D;
    --color-700: #21003B;
    --color-800: #160029;
    --color-900: #0B0019;
}

Colors that go with #370F59

Color harmonies for #370F59 are generated by rotating its hue in the OKLCH color space while preserving its lightness and chroma. This creates classic complementary, analogous, triadic and other hue relationships with more consistent perceptual balance.

Complementary

Opposite on the color wheel, creating the strongest direct hue contrast.

#370F59 #222E00

Analogous

Neighboring hues that stay visually close to the original color.

#1A1C64 #370F59 #490242

Triadic

Three evenly spaced hues that create a broader, balanced color relationship.

#370F59 #3E2100 #00312C

Split complementary

Two hues around the complementary color, providing contrast with more variation.

#370F59 #332800 #003318

Tetradic

Four related hues forming two complementary pairs on the color wheel.

#370F59 #500C00 #222E00 #002F38

CSS gradients with #370F59

These gradients show how #370F59 moves toward white, black and its complementary color. Each gradient includes ready-to-use CSS that can be copied directly into a project.

Toward white

A light gradient that moves from the original color toward white.

#370F59 #634A82 #9483AB #C8C0D5 #FFFFFF

background: linear-gradient(90deg, #370F59, #634A82, #9483AB, #C8C0D5, #FFFFFF);

Toward black

A dark gradient that moves from the original color toward black.

#370F59 #22073A #0F021D #020005 #000000

background: linear-gradient(90deg, #370F59, #22073A, #0F021D, #020005, #000000);

Toward the complementary color

A gradient connecting the original color with its complementary hue.

#370F59 #4C0532 #4E0F03 #382500 #222E00

background: linear-gradient(90deg, #370F59, #4C0532, #4E0F03, #382500, #222E00);

Text contrast and accessibility

Contrast determines how clearly text can be distinguished from #370F59. The values below compare white and black text using WCAG contrast ratios.

White text

15.27:1

AA normal Pass AA large Pass AAA normal Pass

Black text

1.38:1

AA normal Fail AA large Fail AAA normal Fail

Recommended text color: #FFFFFF . Relative luminance: 0.0188 .

Accessible CSS

Use the recommended text color with #370F59 as the background.

background-color: #370F59;
color: #FFFFFF;

Using #370F59 in design

See how #370F59 works in a simple interface. The examples below use the color as a background, accent and interface element, with text chosen from its accessibility result.

Background

Paletico Color in context

#370F59 used as a full background with its recommended text color.

Accent

Accent color

Use #370F59 to emphasize selected interface elements without filling the entire surface.

Example action

Tonal pair

#C9A4F9

#370F59

#160029

Colors similar to #370F59

These nearby colors are generated from perceptual variations of #370F59, including changes in lightness, chroma and hue.

#4C2771 #21003C #3A0062 #331B4C #2F135E #3E0A52 #39206A #330046

Color vision simulation

The simulations below show mathematical approximations of how #370F59 may shift under three forms of color vision deficiency. They are simulations, not a diagnosis or an exact representation of any individual person's vision.

Protanopia #00245B Deuteranopia #002558 Tritanopia #302234

Simulation based on the model by Machado, Oliveira and Fernandes (2009), published in IEEE Transactions on Visualization and Computer Graphics. DOI: 10.1109/TVCG.2009.113.

Advanced color values

Beyond RGB, CMYK and HSL, #370F59 can also be represented in perceptual and device-independent color spaces used in color science and modern design tools.

XYZ

X: 3.5491
Y: 1.8751
Z: 9.6242

CIELAB

L*: 14.8179
a*: 34.2852
b*: -35.9563

OKLab

L: 0.28121
a: 0.068481
b: -0.102509

OKLCH

L: 0.28121
C: 0.123279
H: 303.7448°