#310639#310639

#310639 is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.4% C 0.098 H 320.8°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#310639
RGB	rgb(49, 6, 57)
HSL	hsl(291, 81%, 12%)
HSV	hsv(291, 89%, 22%)
CMYK	cmyk(14%, 89.5%, 0%, 77.6%)
CIE-LAB	lab(9.63, 29.16, -22.12)
CIE-LCH	lch(9.63, 36.60, 322.81°)
OKLab	oklab(23.39% 0.076 -0.062)
OKLCH	oklch(23.39% 0.098 320.8)
XYZ	xyz(2.0702, 1.0787, 3.9693)
Luminance	0.0108 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310639 #0E3906

analogous

#170639 #310639 #390628

triadic

#310639 #393106 #063931

tetradic

#310639 #391706 #0E3906 #062839

square

#310639 #391706 #0E3906 #062839

split-complementary

#310639 #283906 #063917

monochromatic

#18031C #18031C #310639 #610C70 #9012A8

Accessibility & contrast

On white

17.27

#310639 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#310639 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310639

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310639	#FFFFFF	#000000	##FFFFFF
##310639	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183A

Deuteranopia (green-blind)

#0C1C38

Tritanopia (blue-blind)

#31101F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #310639;
/* rgb */ color: rgb(49, 6, 57);
/* oklch */ color: oklch(23.4% 0.098 320.8);

Tailwind

colors: {
  custom: {
    50: '#6b4b70',
    500: '#310639',
    950: '#000000',
  },
}

SCSS

$custom: #310639;
$custom-light: #6b4b70;
$custom-dark: #000000;

JSON

{
  "hex": "#310639",
  "rgb": {
    "r": 49,
    "g": 6,
    "b": 57
  },
  "hsl": {
    "h": 290.588,
    "s": 80.952,
    "l": 12.353
  },
  "oklch": {
    "l": 0.2339,
    "c": 0.0981,
    "h": 320.8
  },
  "luminance": 0.01079
}

Semantic roles & 50–950 ramp

primary

#310639

secondary

#2F7922

accent

#F73050

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070107

muted

#7A777A

Preview Lab

Preview with #310639

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

Preview Lab → · Contrast checker → · Palette generator →