#331F74#331F74

#331F74 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.3% C 0.137 H 286.8°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#331F74
RGB	rgb(51, 31, 116)
HSL	hsl(254, 58%, 29%)
HSV	hsv(254, 73%, 45%)
CMYK	cmyk(56%, 73.3%, 0%, 54.5%)
CIE-LAB	lab(19.82, 33.03, -45.56)
CIE-LCH	lch(19.82, 56.28, 305.94°)
OKLab	oklab(32.32% 0.0396 -0.131)
OKLCH	oklch(32.32% 0.137 286.8)
XYZ	xyz(5.0067, 2.9445, 16.8241)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F74 #60741F

analogous

#1F3674 #331F74 #5E1F74

triadic

#331F74 #74331F #1F7433

tetradic

#331F74 #741F36 #60741F #1F745E

square

#331F74 #741F36 #60741F #1F745E

split-complementary

#331F74 #745E1F #36741F

monochromatic

#0B0618 #1E1244 #331F74 #482CA4 #6241CC

Accessibility & contrast

On white

13.22

#331F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#331F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F74

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F74	#FFFFFF	#000000	##FFFFFF
##331F74	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003277

Deuteranopia (green-blind)

#002D72

Tritanopia (blue-blind)

#183547

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331f74;
/* rgb */ color: rgb(51, 31, 116);
/* oklch */ color: oklch(32.3% 0.137 286.8);

Tailwind

colors: {
  custom: {
    50: '#725c9d',
    500: '#331f74',
    950: '#000000',
  },
}

SCSS

$custom: #331f74;
$custom-light: #725c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#331f74",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 116
  },
  "hsl": {
    "h": 254.118,
    "s": 57.823,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32323,
    "c": 0.13682,
    "h": 286.8
  },
  "luminance": 0.02945
}

Semantic roles & 50–950 ramp

primary

#331F74

secondary

#91A847

accent

#E147BD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331F74

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

Preview Lab → · Contrast checker → · Palette generator →