#31179E#31179E

#31179E is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.7% C 0.196 H 278.6°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#31179E
RGB	rgb(49, 23, 158)
HSL	hsl(252, 75%, 35%)
HSV	hsv(252, 85%, 62%)
CMYK	cmyk(69%, 85.4%, 0%, 38%)
CIE-LAB	lab(22.77, 49.63, -67.03)
CIE-LCH	lch(22.77, 83.40, 306.52°)
OKLab	oklab(35.68% 0.0292 -0.1935)
OKLCH	oklch(35.68% 0.196 278.6)
XYZ	xyz(7.7426, 3.7337, 32.6538)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31179E #849E17

analogous

#17409E #31179E #75179E

triadic

#31179E #9E3117 #179E31

tetradic

#31179E #9E1740 #849E17 #179E75

square

#31179E #9E1740 #849E17 #179E75

split-complementary

#31179E #9E7517 #409E17

monochromatic

#100733 #200F69 #31179E #421FD3 #684BE5

Accessibility & contrast

On white

12.02

#31179E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#31179E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31179E

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31179E	#FFFFFF	#000000	##FFFFFF
##31179E	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA2

Deuteranopia (green-blind)

#00319C

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31179e;
/* rgb */ color: rgb(49, 23, 158);
/* oklch */ color: oklch(35.7% 0.196 278.6);

Tailwind

colors: {
  custom: {
    50: '#7b5bbc',
    500: '#31179e',
    950: '#000000',
  },
}

SCSS

$custom: #31179e;
$custom-light: #7b5bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#31179e",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 158
  },
  "hsl": {
    "h": 251.556,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35681,
    "c": 0.19574,
    "h": 278.6
  },
  "luminance": 0.03734
}

Semantic roles & 50–950 ramp

primary

#31179E

secondary

#AEC64A

accent

#F137CD

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #31179E

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

Preview Lab → · Contrast checker → · Palette generator →