#31073B#31073B

#31073B is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.7% C 0.099 H 319.0°. Best body text is #FFFFFF at 17.15:1 contrast (WCAG AA passes).

Color values

HEX	#31073B
RGB	rgb(49, 7, 59)
HSL	hsl(288, 79%, 13%)
HSV	hsv(288, 88%, 23%)
CMYK	cmyk(16.9%, 88.1%, 0%, 76.9%)
CIE-LAB	lab(9.96, 29.11, -23.04)
CIE-LCH	lch(9.96, 37.13, 321.65°)
OKLab	oklab(23.67% 0.0744 -0.0647)
OKLCH	oklch(23.67% 0.099 319)
XYZ	xyz(2.1319, 1.1208, 4.2409)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31073B #113B07

analogous

#17073B #31073B #3B072B

triadic

#31073B #3B3107 #073B31

tetradic

#31073B #3B1707 #113B07 #072B3B

square

#31073B #3B1707 #113B07 #072B3B

split-complementary

#31073B #2B3B07 #073B17

monochromatic

#17031B #17031B #31073B #5E0D72 #8C14A8

Accessibility & contrast

On white

17.15

#31073B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#31073B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31073B

17.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31073B	#FFFFFF	#000000	##FFFFFF
##31073B	1.00	17.15	1.22	17.15
#FFFFFF	17.15	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193C

Deuteranopia (green-blind)

#0A1D3A

Tritanopia (blue-blind)

#311221

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #31073b;
/* rgb */ color: rgb(49, 7, 59);
/* oklch */ color: oklch(23.7% 0.099 319.0);

Tailwind

colors: {
  custom: {
    50: '#6b4c71',
    500: '#31073b',
    950: '#000000',
  },
}

SCSS

$custom: #31073b;
$custom-light: #6b4c71;
$custom-dark: #000000;

JSON

{
  "hex": "#31073b",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 59
  },
  "hsl": {
    "h": 288.462,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23673,
    "c": 0.09861,
    "h": 319
  },
  "luminance": 0.01121
}

Semantic roles & 50–950 ramp

primary

#31073B

secondary

#347A23

accent

#F53358

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070107

muted

#7A777A

Preview Lab

Preview with #31073B

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

Preview Lab → · Contrast checker → · Palette generator →