#31137E#31137E

#31137E is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.6% C 0.162 H 285.3°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#31137E
RGB	rgb(49, 19, 126)
HSL	hsl(257, 74%, 28%)
HSV	hsv(257, 85%, 49%)
CMYK	cmyk(61.1%, 84.9%, 0%, 50.6%)
CIE-LAB	lab(18.47, 42.00, -54.18)
CIE-LCH	lch(18.47, 68.55, 307.78°)
OKLab	oklab(31.64% 0.0426 -0.1561)
OKLCH	oklch(31.64% 0.162 285.3)
XYZ	xyz(5.2642, 2.6247, 19.9638)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31137E #607E13

analogous

#132B7E #31137E #66137E

triadic

#31137E #7E3113 #137E31

tetradic

#31137E #7E132B #607E13 #137E66

square

#31137E #7E132B #607E13 #137E66

split-complementary

#31137E #7E6613 #2B7E13

monochromatic

#0A041B #1C0B49 #31137E #461BB3 #5E2CDF

Accessibility & contrast

On white

13.77

#31137E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#31137E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31137E

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31137E	#FFFFFF	#000000	##FFFFFF
##31137E	1.00	13.77	1.53	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#03344A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #31137e;
/* rgb */ color: rgb(49, 19, 126);
/* oklch */ color: oklch(31.6% 0.162 285.3);

Tailwind

colors: {
  custom: {
    50: '#7456a5',
    500: '#31137e',
    950: '#000000',
  },
}

SCSS

$custom: #31137e;
$custom-light: #7456a5;
$custom-dark: #000000;

JSON

{
  "hex": "#31137e",
  "rgb": {
    "r": 49,
    "g": 19,
    "b": 126
  },
  "hsl": {
    "h": 256.822,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3164,
    "c": 0.16183,
    "h": 285.3
  },
  "luminance": 0.02625
}

Semantic roles & 50–950 ramp

primary

#31137E

secondary

#91B439

accent

#F037BD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31137E

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

Preview Lab → · Contrast checker → · Palette generator →