#331857#331857

#331857 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.6% C 0.108 H 299.0°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#331857
RGB	rgb(51, 24, 87)
HSL	hsl(266, 57%, 22%)
HSV	hsv(266, 72%, 34%)
CMYK	cmyk(41.4%, 72.4%, 0%, 65.9%)
CIE-LAB	lab(15.72, 28.20, -33.16)
CIE-LCH	lch(15.72, 43.53, 310.38°)
OKLab	oklab(28.58% 0.0525 -0.0945)
OKLCH	oklch(28.58% 0.108 299)
XYZ	xyz(3.4117, 2.0452, 9.2300)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331857 #3C5718

analogous

#181D57 #331857 #531857

triadic

#331857 #573318 #185733

tetradic

#331857 #57181D #3C5718 #185753

square

#331857 #57181D #3C5718 #185753

split-complementary

#331857 #575318 #1D5718

monochromatic

#0E0718 #170B27 #331857 #4F2587 #6B32B7

Accessibility & contrast

On white

14.90

#331857 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#331857 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331857

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331857	#FFFFFF	#000000	##FFFFFF
##331857	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002759

Deuteranopia (green-blind)

#002756

Tritanopia (blue-blind)

#2B2735

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #331857;
/* rgb */ color: rgb(51, 24, 87);
/* oklch */ color: oklch(28.6% 0.108 299.0);

Tailwind

colors: {
  custom: {
    50: '#6e5787',
    500: '#331857',
    950: '#000000',
  },
}

SCSS

$custom: #331857;
$custom-light: #6e5787;
$custom-dark: #000000;

JSON

{
  "hex": "#331857",
  "rgb": {
    "r": 51,
    "g": 24,
    "b": 87
  },
  "hsl": {
    "h": 265.714,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.28581,
    "c": 0.10812,
    "h": 299
  },
  "luminance": 0.02045
}

Semantic roles & 50–950 ramp

primary

#331857

secondary

#6B8E3D

accent

#E0489F

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #331857

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

Preview Lab → · Contrast checker → · Palette generator →