#31053B#31053B

#31053B is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.4% C 0.102 H 319.3°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#31053B
RGB	rgb(49, 5, 59)
HSL	hsl(289, 84%, 13%)
HSV	hsv(289, 92%, 23%)
CMYK	cmyk(16.9%, 91.5%, 0%, 76.9%)
CIE-LAB	lab(9.62, 30.10, -23.58)
CIE-LCH	lch(9.62, 38.24, 321.92°)
OKLab	oklab(23.43% 0.077 -0.0663)
OKLCH	oklch(23.43% 0.102 319.3)
XYZ	xyz(2.1102, 1.0774, 4.2336)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31053B #0F3B05

analogous

#16053B #31053B #3B052A

triadic

#31053B #3B3105 #053B31

tetradic

#31053B #3B1605 #0F3B05 #052A3B

square

#31053B #3B1605 #0F3B05 #052A3B

split-complementary

#31053B #2A3B05 #053B16

monochromatic

#17021C #17021C #31053B #600A73 #8F0FAC

Accessibility & contrast

On white

17.28

#31053B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#31053B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31053B

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31053B	#FFFFFF	#000000	##FFFFFF
##31053B	1.00	17.28	1.22	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183C

Deuteranopia (green-blind)

#091C3A

Tritanopia (blue-blind)

#311120

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #31053b;
/* rgb */ color: rgb(49, 5, 59);
/* oklch */ color: oklch(23.4% 0.102 319.3);

Tailwind

colors: {
  custom: {
    50: '#6c4b71',
    500: '#31053b',
    950: '#000000',
  },
}

SCSS

$custom: #31053b;
$custom-light: #6c4b71;
$custom-dark: #000000;

JSON

{
  "hex": "#31053b",
  "rgb": {
    "r": 49,
    "g": 5,
    "b": 59
  },
  "hsl": {
    "h": 288.889,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.23434,
    "c": 0.10159,
    "h": 319.3
  },
  "luminance": 0.01077
}

Semantic roles & 50–950 ramp

primary

#31053B

secondary

#317C20

accent

#FB2D53

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070108

muted

#7A777B

Preview Lab

Preview with #31053B

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

Preview Lab → · Contrast checker → · Palette generator →