#331B60#331B60

#331B60 is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.8% C 0.116 H 294.3°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#331B60
RGB	rgb(51, 27, 96)
HSL	hsl(261, 56%, 24%)
HSV	hsv(261, 72%, 38%)
CMYK	cmyk(46.9%, 71.9%, 0%, 62.4%)
CIE-LAB	lab(17.14, 29.13, -36.88)
CIE-LCH	lch(17.14, 46.99, 308.31°)
OKLab	oklab(29.84% 0.0475 -0.1054)
OKLCH	oklch(29.84% 0.116 294.3)
XYZ	xyz(3.8679, 2.3321, 11.3104)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B60 #48601B

analogous

#1B2560 #331B60 #561B60

triadic

#331B60 #60331B #1B6033

tetradic

#331B60 #601B25 #48601B #1B6056

square

#331B60 #601B25 #48601B #1B6056

split-complementary

#331B60 #60561B #25601B

monochromatic

#0D0718 #1A0E30 #331B60 #4C2890 #6636C0

Accessibility & contrast

On white

14.32

#331B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#331B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B60

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B60	#FFFFFF	#000000	##FFFFFF
##331B60	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B62

Deuteranopia (green-blind)

#00295F

Tritanopia (blue-blind)

#262C3B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #331b60;
/* rgb */ color: rgb(51, 27, 96);
/* oklch */ color: oklch(29.8% 0.116 294.3);

Tailwind

colors: {
  custom: {
    50: '#6f598e',
    500: '#331b60',
    950: '#000000',
  },
}

SCSS

$custom: #331b60;
$custom-light: #6f598e;
$custom-dark: #000000;

JSON

{
  "hex": "#331b60",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 96
  },
  "hsl": {
    "h": 260.87,
    "s": 56.098,
    "l": 24.118
  },
  "oklch": {
    "l": 0.29842,
    "c": 0.11565,
    "h": 294.3
  },
  "luminance": 0.02332
}

Semantic roles & 50–950 ramp

primary

#331B60

secondary

#789641

accent

#DF48AB

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #331B60

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

Preview Lab → · Contrast checker → · Palette generator →