#331A7D#331A7D

#331A7D is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.5% C 0.154 H 285.7°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#331A7D
RGB	rgb(51, 26, 125)
HSL	hsl(255, 66%, 30%)
HSV	hsv(255, 79%, 49%)
CMYK	cmyk(59.2%, 79.2%, 0%, 51%)
CIE-LAB	lab(19.73, 38.61, -51.46)
CIE-LCH	lch(19.73, 64.34, 306.88°)
OKLab	oklab(32.53% 0.0415 -0.1482)
OKLCH	oklch(32.53% 0.154 285.7)
XYZ	xyz(5.4352, 2.9229, 19.6758)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A7D #647D1A

analogous

#1A327D #331A7D #651A7D

triadic

#331A7D #7D331A #1A7D33

tetradic

#331A7D #7D1A32 #647D1A #1A7D65

square

#331A7D #7D1A32 #647D1A #1A7D65

split-complementary

#331A7D #7D651A #327D1A

monochromatic

#0A0519 #1E0F4A #331A7D #4825B0 #623BD6

Accessibility & contrast

On white

13.25

#331A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#331A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A7D

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A7D	#FFFFFF	#000000	##FFFFFF
##331A7D	1.00	13.25	1.58	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#002D7B

Tritanopia (blue-blind)

#0D364B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331a7d;
/* rgb */ color: rgb(51, 26, 125);
/* oklch */ color: oklch(32.5% 0.154 285.7);

Tailwind

colors: {
  custom: {
    50: '#745aa4',
    500: '#331a7d',
    950: '#000000',
  },
}

SCSS

$custom: #331a7d;
$custom-light: #745aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#331a7d",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 125
  },
  "hsl": {
    "h": 255.152,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.32533,
    "c": 0.15392,
    "h": 285.7
  },
  "luminance": 0.02923
}

Semantic roles & 50–950 ramp

primary

#331A7D

secondary

#95B142

accent

#E93FBE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331A7D

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

Preview Lab → · Contrast checker → · Palette generator →