#331F61#331F61

#331F61 is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.6% C 0.111 H 292.5°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#331F61
RGB	rgb(51, 31, 97)
HSL	hsl(258, 52%, 25%)
HSV	hsv(258, 68%, 38%)
CMYK	cmyk(47.4%, 68%, 0%, 62%)
CIE-LAB	lab(18.13, 26.99, -35.93)
CIE-LCH	lch(18.13, 44.94, 306.91°)
OKLab	oklab(30.58% 0.0426 -0.1027)
OKLCH	oklch(30.58% 0.111 292.5)
XYZ	xyz(4.0123, 2.5467, 11.5871)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F61 #4D611F

analogous

#1F2C61 #331F61 #541F61

triadic

#331F61 #61331F #1F6133

tetradic

#331F61 #611F2C #4D611F #1F6154

square

#331F61 #611F2C #4D611F #1F6154

split-complementary

#331F61 #61541F #2C611F

monochromatic

#0C0717 #1B1033 #331F61 #4B2E8F #643DBE

Accessibility & contrast

On white

13.91

#331F61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#331F61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F61

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F61	#FFFFFF	#000000	##FFFFFF
##331F61	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D63

Deuteranopia (green-blind)

#002B60

Tritanopia (blue-blind)

#262E3D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #331f61;
/* rgb */ color: rgb(51, 31, 97);
/* oklch */ color: oklch(30.6% 0.111 292.5);

Tailwind

colors: {
  custom: {
    50: '#6f5c8e',
    500: '#331f61',
    950: '#000000',
  },
}

SCSS

$custom: #331f61;
$custom-light: #6f5c8e;
$custom-dark: #000000;

JSON

{
  "hex": "#331f61",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 97
  },
  "hsl": {
    "h": 258.182,
    "s": 51.563,
    "l": 25.098
  },
  "oklch": {
    "l": 0.30581,
    "c": 0.11117,
    "h": 292.5
  },
  "luminance": 0.02547
}

Semantic roles & 50–950 ramp

primary

#331F61

secondary

#7E9646

accent

#DB4DB0

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #331F61

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

Preview Lab → · Contrast checker → · Palette generator →