#31137C#31137C

#31137C is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.4% C 0.159 H 285.8°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#31137C
RGB	rgb(49, 19, 124)
HSL	hsl(257, 73%, 28%)
HSV	hsv(257, 85%, 49%)
CMYK	cmyk(60.5%, 84.7%, 0%, 51.4%)
CIE-LAB	lab(18.25, 41.41, -53.28)
CIE-LCH	lch(18.25, 67.48, 307.86°)
OKLab	oklab(31.42% 0.0433 -0.1535)
OKLCH	oklch(31.42% 0.159 285.8)
XYZ	xyz(5.1365, 2.5736, 19.2910)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31137C #5E7C13

analogous

#13297C #31137C #65137C

triadic

#31137C #7C3113 #137C31

tetradic

#31137C #7C1329 #5E7C13 #137C65

square

#31137C #7C1329 #5E7C13 #137C65

split-complementary

#31137C #7C6513 #297C13

monochromatic

#0A041B #1C0B47 #31137C #461BB1 #5E2BDF

Accessibility & contrast

On white

13.86

#31137C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#31137C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31137C

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31137C	#FFFFFF	#000000	##FFFFFF
##31137C	1.00	13.86	1.51	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7F

Deuteranopia (green-blind)

#00297A

Tritanopia (blue-blind)

#073349

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #31137c;
/* rgb */ color: rgb(49, 19, 124);
/* oklch */ color: oklch(31.4% 0.159 285.8);

Tailwind

colors: {
  custom: {
    50: '#7456a3',
    500: '#31137c',
    950: '#000000',
  },
}

SCSS

$custom: #31137c;
$custom-light: #7456a3;
$custom-dark: #000000;

JSON

{
  "hex": "#31137c",
  "rgb": {
    "r": 49,
    "g": 19,
    "b": 124
  },
  "hsl": {
    "h": 257.143,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31418,
    "c": 0.15949,
    "h": 285.8
  },
  "luminance": 0.02574
}

Semantic roles & 50–950 ramp

primary

#31137C

secondary

#8FB239

accent

#F038BB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31137C

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

Preview Lab → · Contrast checker → · Palette generator →