#31154B#31154B

#31154B is a dark, moderate violet. Relative luminance 0.017; OKLCH L 26.8% C 0.097 H 304.5°. Best body text is #FFFFFF at 15.68:1 contrast (WCAG AA passes).

Color values

HEX	#31154B
RGB	rgb(49, 21, 75)
HSL	hsl(271, 56%, 19%)
HSV	hsv(271, 72%, 29%)
CMYK	cmyk(34.7%, 72%, 0%, 70.6%)
CIE-LAB	lab(13.81, 26.01, -28.09)
CIE-LCH	lch(13.81, 38.28, 312.80°)
OKLab	oklab(26.83% 0.0547 -0.0797)
OKLCH	oklch(26.83% 0.097 304.5)
XYZ	xyz(2.8045, 1.6973, 6.8351)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31154B #2F4B15

analogous

#16154B #31154B #4B154A

triadic

#31154B #4B3115 #154B31

tetradic

#31154B #4B1615 #2F4B15 #154A4B

square

#31154B #4B1615 #2F4B15 #154A4B

split-complementary

#31154B #4A4B15 #154B16

monochromatic

#100718 #12081B #31154B #50227B #6F30AB

Accessibility & contrast

On white

15.68

#31154B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#31154B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31154B

15.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31154B	#FFFFFF	#000000	##FFFFFF
##31154B	1.00	15.68	1.34	15.68
#FFFFFF	15.68	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224D

Deuteranopia (green-blind)

#06234A

Tritanopia (blue-blind)

#2C212D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #31154b;
/* rgb */ color: rgb(49, 21, 75);
/* oklch */ color: oklch(26.8% 0.097 304.5);

Tailwind

colors: {
  custom: {
    50: '#6c547e',
    500: '#31154b',
    950: '#000000',
  },
}

SCSS

$custom: #31154b;
$custom-light: #6c547e;
$custom-dark: #000000;

JSON

{
  "hex": "#31154b",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 75
  },
  "hsl": {
    "h": 271.111,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.26832,
    "c": 0.09663,
    "h": 304.5
  },
  "luminance": 0.01697
}

Semantic roles & 50–950 ramp

primary

#31154B

secondary

#5D8339

accent

#E04891

background

#F6F4F7

surface

#EBE8EE

border

#C6C4C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #31154B

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

Preview Lab → · Contrast checker → · Palette generator →