#331B45#331B45

#331B45 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.7% C 0.079 H 308.5°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#331B45
RGB	rgb(51, 27, 69)
HSL	hsl(274, 44%, 19%)
HSV	hsv(274, 61%, 27%)
CMYK	cmyk(26.1%, 60.9%, 0%, 72.9%)
CIE-LAB	lab(15.05, 21.17, -21.94)
CIE-LCH	lch(15.05, 30.48, 313.97°)
OKLab	oklab(27.66% 0.049 -0.0616)
OKLCH	oklch(27.66% 0.079 308.5)
XYZ	xyz(2.8311, 1.9174, 5.8500)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B45 #2D451B

analogous

#1E1B45 #331B45 #451B42

triadic

#331B45 #45331B #1B4533

tetradic

#331B45 #451E1B #2D451B #1B4245

square

#331B45 #451E1B #2D451B #1B4245

split-complementary

#331B45 #42451B #1B451E

monochromatic

#100916 #120A19 #331B45 #542C71 #743D9D

Accessibility & contrast

On white

15.18

#331B45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#331B45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B45

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B45	#FFFFFF	#000000	##FFFFFF
##331B45	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2546

Deuteranopia (green-blind)

#162644

Tritanopia (blue-blind)

#30222D

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331b45;
/* rgb */ color: rgb(51, 27, 69);
/* oklch */ color: oklch(27.7% 0.079 308.5);

Tailwind

colors: {
  custom: {
    50: '#6c5879',
    500: '#331b45',
    950: '#000000',
  },
}

SCSS

$custom: #331b45;
$custom-light: #6c5879;
$custom-dark: #000000;

JSON

{
  "hex": "#331b45",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 69
  },
  "hsl": {
    "h": 274.286,
    "s": 43.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.27655,
    "c": 0.07869,
    "h": 308.5
  },
  "luminance": 0.01917
}

Semantic roles & 50–950 ramp

primary

#331B45

secondary

#5A7B41

accent

#D3548B

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070309

muted

#7A787B

Preview Lab

Preview with #331B45

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

Preview Lab → · Contrast checker → · Palette generator →