#31104C#31104C

#31104C is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.2% C 0.105 H 305.3°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#31104C
RGB	rgb(49, 16, 76)
HSL	hsl(273, 65%, 18%)
HSV	hsv(273, 79%, 30%)
CMYK	cmyk(35.5%, 78.9%, 0%, 70.2%)
CIE-LAB	lab(12.89, 29.07, -30.26)
CIE-LCH	lch(12.89, 41.96, 313.85°)
OKLab	oklab(26.2% 0.0609 -0.086)
OKLCH	oklch(26.2% 0.105 305.3)
XYZ	xyz(2.7561, 1.5454, 6.9892)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31104C #2B4C10

analogous

#13104C #31104C #4C1049

triadic

#31104C #4C3110 #104C31

tetradic

#31104C #4C1310 #2B4C10 #10494C

square

#31104C #4C1310 #2B4C10 #10494C

split-complementary

#31104C #494C10 #104C13

monochromatic

#100519 #100519 #31104C #521B7F #7225B1

Accessibility & contrast

On white

16.04

#31104C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#31104C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31104C

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31104C	#FFFFFF	#000000	##FFFFFF
##31104C	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204E

Deuteranopia (green-blind)

#00214B

Tritanopia (blue-blind)

#2C1E2C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #31104c;
/* rgb */ color: rgb(49, 16, 76);
/* oklch */ color: oklch(26.2% 0.105 305.3);

Tailwind

colors: {
  custom: {
    50: '#6c517e',
    500: '#31104c',
    950: '#000000',
  },
}

SCSS

$custom: #31104c;
$custom-light: #6c517e;
$custom-dark: #000000;

JSON

{
  "hex": "#31104c",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 76
  },
  "hsl": {
    "h": 273,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.26202,
    "c": 0.10538,
    "h": 305.3
  },
  "luminance": 0.01545
}

Semantic roles & 50–950 ramp

primary

#31104C

secondary

#588632

accent

#E8408B

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #31104C

Body copy rendered with the generated semantic roles for this colour.

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