#31053C#31053C

#31053C is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.5% C 0.103 H 318.5°. Best body text is #FFFFFF at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#31053C
RGB	rgb(49, 5, 60)
HSL	hsl(288, 85%, 13%)
HSV	hsv(288, 92%, 24%)
CMYK	cmyk(18.3%, 91.7%, 0%, 76.5%)
CIE-LAB	lab(9.70, 30.32, -24.17)
CIE-LCH	lch(9.70, 38.77, 321.44°)
OKLab	oklab(23.52% 0.0768 -0.068)
OKLCH	oklch(23.52% 0.103 318.5)
XYZ	xyz(2.1364, 1.0879, 4.3715)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31053C #103C05

analogous

#15053C #31053C #3C052B

triadic

#31053C #3C3105 #053C31

tetradic

#31053C #3C1505 #103C05 #052B3C

square

#31053C #3C1505 #103C05 #052B3C

split-complementary

#31053C #2B3C05 #053C15

monochromatic

#17021C #17021C #31053C #5F0A74 #8D0EAD

Accessibility & contrast

On white

17.25

#31053C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#31053C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31053C

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31053C	#FFFFFF	#000000	##FFFFFF
##31053C	1.00	17.25	1.22	17.25
#FFFFFF	17.25	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183D

Deuteranopia (green-blind)

#081C3B

Tritanopia (blue-blind)

#311121

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #31053c;
/* rgb */ color: rgb(49, 5, 60);
/* oklch */ color: oklch(23.5% 0.103 318.5);

Tailwind

colors: {
  custom: {
    50: '#6c4b72',
    500: '#31053c',
    950: '#000000',
  },
}

SCSS

$custom: #31053c;
$custom-light: #6c4b72;
$custom-dark: #000000;

JSON

{
  "hex": "#31053c",
  "rgb": {
    "r": 49,
    "g": 5,
    "b": 60
  },
  "hsl": {
    "h": 288,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.23518,
    "c": 0.10258,
    "h": 318.5
  },
  "luminance": 0.01088
}

Semantic roles & 50–950 ramp

primary

#31053C

secondary

#337D20

accent

#FB2D56

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070108

muted

#7A777B

Preview Lab

Preview with #31053C

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

Preview Lab → · Contrast checker → · Palette generator →