#331D57#331D57

#331D57 is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.4% C 0.100 H 297.3°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#331D57
RGB	rgb(51, 29, 87)
HSL	hsl(263, 50%, 23%)
HSV	hsv(263, 67%, 34%)
CMYK	cmyk(41.4%, 66.7%, 0%, 65.9%)
CIE-LAB	lab(16.85, 25.15, -31.34)
CIE-LCH	lch(16.85, 40.18, 308.74°)
OKLab	oklab(29.39% 0.046 -0.0892)
OKLCH	oklch(29.39% 0.1 297.3)
XYZ	xyz(3.5245, 2.2706, 9.2676)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D57 #41571D

analogous

#1D2457 #331D57 #501D57

triadic

#331D57 #57331D #1D5733

tetradic

#331D57 #571D24 #41571D #1D5750

square

#331D57 #571D24 #41571D #1D5750

split-complementary

#331D57 #57501D #24571D

monochromatic

#0D0817 #180E29 #331D57 #4E2C85 #693CB3

Accessibility & contrast

On white

14.44

#331D57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#331D57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D57

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D57	#FFFFFF	#000000	##FFFFFF
##331D57	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A59

Deuteranopia (green-blind)

#032956

Tritanopia (blue-blind)

#2A2A37

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #331d57;
/* rgb */ color: rgb(51, 29, 87);
/* oklch */ color: oklch(29.4% 0.100 297.3);

Tailwind

colors: {
  custom: {
    50: '#6e5a87',
    500: '#331d57',
    950: '#000000',
  },
}

SCSS

$custom: #331d57;
$custom-light: #6e5a87;
$custom-dark: #000000;

JSON

{
  "hex": "#331d57",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 87
  },
  "hsl": {
    "h": 262.759,
    "s": 50,
    "l": 22.745
  },
  "oklch": {
    "l": 0.29394,
    "c": 0.10036,
    "h": 297.3
  },
  "luminance": 0.02271
}

Semantic roles & 50–950 ramp

primary

#331D57

secondary

#718C44

accent

#DA4EA5

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07040B

muted

#7A797C

Preview Lab

Preview with #331D57

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

Preview Lab → · Contrast checker → · Palette generator →