#331B49#331B49

#331B49 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 27.9% C 0.084 H 305.7°. Best body text is #FFFFFF at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#331B49
RGB	rgb(51, 27, 73)
HSL	hsl(271, 46%, 20%)
HSV	hsv(271, 63%, 29%)
CMYK	cmyk(30.1%, 63%, 0%, 71.4%)
CIE-LAB	lab(15.32, 22.29, -24.27)
CIE-LCH	lch(15.32, 32.95, 312.57°)
OKLab	oklab(27.94% 0.0492 -0.0684)
OKLCH	oklch(27.94% 0.084 305.7)
XYZ	xyz(2.9595, 1.9687, 6.5261)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B49 #31491B

analogous

#1C1B49 #331B49 #491B48

triadic

#331B49 #49331B #1B4933

tetradic

#331B49 #491C1B #31491B #1B4849

square

#331B49 #491C1B #31491B #1B4849

split-complementary

#331B49 #48491B #1B491C

monochromatic

#100816 #140A1C #331B49 #522C76 #713CA2

Accessibility & contrast

On white

15.07

#331B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#331B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B49

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B49	#FFFFFF	#000000	##FFFFFF
##331B49	1.00	15.07	1.39	15.07
#FFFFFF	15.07	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A264B

Deuteranopia (green-blind)

#132648

Tritanopia (blue-blind)

#2F242F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331b49;
/* rgb */ color: rgb(51, 27, 73);
/* oklch */ color: oklch(27.9% 0.084 305.7);

Tailwind

colors: {
  custom: {
    50: '#6c587c',
    500: '#331b49',
    950: '#000000',
  },
}

SCSS

$custom: #331b49;
$custom-light: #6c587c;
$custom-dark: #000000;

JSON

{
  "hex": "#331b49",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 73
  },
  "hsl": {
    "h": 271.304,
    "s": 46,
    "l": 19.608
  },
  "oklch": {
    "l": 0.27945,
    "c": 0.08425,
    "h": 305.7
  },
  "luminance": 0.01969
}

Semantic roles & 50–950 ramp

primary

#331B49

secondary

#5F7F41

accent

#D65291

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#070309

muted

#7A787B

Preview Lab

Preview with #331B49

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

Preview Lab → · Contrast checker → · Palette generator →