#331B48#331B48

#331B48 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 27.9% C 0.083 H 306.4°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#331B48
RGB	rgb(51, 27, 72)
HSL	hsl(272, 45%, 19%)
HSV	hsv(272, 63%, 28%)
CMYK	cmyk(29.2%, 62.5%, 0%, 71.8%)
CIE-LAB	lab(15.25, 22.01, -23.69)
CIE-LCH	lch(15.25, 32.33, 312.89°)
OKLab	oklab(27.87% 0.0492 -0.0667)
OKLCH	oklch(27.87% 0.083 306.4)
XYZ	xyz(2.9266, 1.9556, 6.3529)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B48 #30481B

analogous

#1D1B48 #331B48 #481B47

triadic

#331B48 #48331B #1B4833

tetradic

#331B48 #481D1B #30481B #1B4748

square

#331B48 #481D1B #30481B #1B4748

split-complementary

#331B48 #47481B #1B481D

monochromatic

#100816 #130A1B #331B48 #532C75 #723CA1

Accessibility & contrast

On white

15.09

#331B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#331B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B48

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B48	#FFFFFF	#000000	##FFFFFF
##331B48	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2549

Deuteranopia (green-blind)

#142647

Tritanopia (blue-blind)

#30232E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331b48;
/* rgb */ color: rgb(51, 27, 72);
/* oklch */ color: oklch(27.9% 0.083 306.4);

Tailwind

colors: {
  custom: {
    50: '#6c587b',
    500: '#331b48',
    950: '#000000',
  },
}

SCSS

$custom: #331b48;
$custom-light: #6c587b;
$custom-dark: #000000;

JSON

{
  "hex": "#331b48",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 72
  },
  "hsl": {
    "h": 272,
    "s": 45.455,
    "l": 19.412
  },
  "oklch": {
    "l": 0.27872,
    "c": 0.08286,
    "h": 306.4
  },
  "luminance": 0.01956
}

Semantic roles & 50–950 ramp

primary

#331B48

secondary

#5D7E41

accent

#D55390

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#070309

muted

#7A787B

Preview Lab

Preview with #331B48

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

Preview Lab → · Contrast checker → · Palette generator →