#31155B#31155B

#31155B is a dark, moderate violet. Relative luminance 0.019; OKLCH L 28.3% C 0.117 H 296.3°. Best body text is #FFFFFF at 15.12:1 contrast (WCAG AA passes).

Color values

HEX	#31155B
RGB	rgb(49, 21, 91)
HSL	hsl(264, 63%, 22%)
HSV	hsv(264, 77%, 36%)
CMYK	cmyk(46.2%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(15.19, 30.66, -36.72)
CIE-LCH	lch(15.19, 47.84, 309.85°)
OKLab	oklab(28.25% 0.052 -0.105)
OKLCH	oklch(28.25% 0.117 296.3)
XYZ	xyz(3.4226, 1.9446, 10.0905)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31155B #3F5B15

analogous

#151C5B #31155B #54155B

triadic

#31155B #5B3115 #155B31

tetradic

#31155B #5B151C #3F5B15 #155B54

square

#31155B #5B151C #3F5B15 #155B54

split-complementary

#31155B #5B5415 #1C5B15

monochromatic

#0D0619 #160A29 #31155B #4C208D #672CBE

Accessibility & contrast

On white

15.12

#31155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#31155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31155B

15.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31155B	#FFFFFF	#000000	##FFFFFF
##31155B	1.00	15.12	1.39	15.12
#FFFFFF	15.12	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265D

Deuteranopia (green-blind)

#00255A

Tritanopia (blue-blind)

#262736

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #31155b;
/* rgb */ color: rgb(49, 21, 91);
/* oklch */ color: oklch(28.3% 0.117 296.3);

Tailwind

colors: {
  custom: {
    50: '#6e558a',
    500: '#31155b',
    950: '#000000',
  },
}

SCSS

$custom: #31155b;
$custom-light: #6e558a;
$custom-dark: #000000;

JSON

{
  "hex": "#31155b",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 264,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.28254,
    "c": 0.11722,
    "h": 296.3
  },
  "luminance": 0.01945
}

Semantic roles & 50–950 ramp

primary

#31155B

secondary

#6F9239

accent

#E642A4

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07030C

muted

#7A787D

Preview Lab

Preview with #31155B

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

Preview Lab → · Contrast checker → · Palette generator →