#331B5D#331B5D

#331B5D is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.6% C 0.112 H 295.4°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#331B5D
RGB	rgb(51, 27, 93)
HSL	hsl(262, 55%, 24%)
HSV	hsv(262, 71%, 36%)
CMYK	cmyk(45.2%, 71%, 0%, 63.5%)
CIE-LAB	lab(16.88, 28.21, -35.30)
CIE-LCH	lch(16.88, 45.19, 308.63°)
OKLab	oklab(29.58% 0.048 -0.1008)
OKLCH	oklch(29.58% 0.112 295.4)
XYZ	xyz(3.7324, 2.2779, 10.5968)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B5D #455D1B

analogous

#1B245D #331B5D #541B5D

triadic

#331B5D #5D331B #1B5D33

tetradic

#331B5D #5D1B24 #455D1B #1B5D54

square

#331B5D #5D1B24 #455D1B #1B5D54

split-complementary

#331B5D #5D541B #245D1B

monochromatic

#0D0718 #190D2E #331B5D #4D298C #6737BC

Accessibility & contrast

On white

14.43

#331B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#331B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B5D

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B5D	#FFFFFF	#000000	##FFFFFF
##331B5D	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5F

Deuteranopia (green-blind)

#00295C

Tritanopia (blue-blind)

#282B39

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #331b5d;
/* rgb */ color: rgb(51, 27, 93);
/* oklch */ color: oklch(29.6% 0.112 295.4);

Tailwind

colors: {
  custom: {
    50: '#6f598b',
    500: '#331b5d',
    950: '#000000',
  },
}

SCSS

$custom: #331b5d;
$custom-light: #6f598b;
$custom-dark: #000000;

JSON

{
  "hex": "#331b5d",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 93
  },
  "hsl": {
    "h": 261.818,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.29575,
    "c": 0.11164,
    "h": 295.4
  },
  "luminance": 0.02278
}

Semantic roles & 50–950 ramp

primary

#331B5D

secondary

#759341

accent

#DE49A8

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #331B5D

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

Preview Lab → · Contrast checker → · Palette generator →