#631323#631323

#631323 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.3% C 0.112 H 14.8°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#631323
RGB	rgb(99, 19, 35)
HSL	hsl(348, 68%, 23%)
HSV	hsv(348, 81%, 39%)
CMYK	cmyk(0%, 80.8%, 64.6%, 61.2%)
CIE-LAB	lab(20.98, 36.10, 11.74)
CIE-LCH	lch(20.98, 37.96, 18.02°)
OKLab	oklab(33.3% 0.1083 0.0287)
OKLCH	oklch(33.3% 0.112 14.8)
XYZ	xyz(5.6824, 3.2406, 1.9161)
Luminance	0.0324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631323 #136353

analogous

#63134B #631323 #632B13

triadic

#631323 #236313 #132363

tetradic

#631323 #4B6313 #136353 #2B1363

square

#631323 #4B6313 #136353 #2B1363

split-complementary

#631323 #13632B #134B63

monochromatic

#1A0509 #300911 #631323 #961D35 #CA2747

Accessibility & contrast

On white

12.74

#631323 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#631323 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631323

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631323	#FFFFFF	#000000	##FFFFFF
##631323	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292823

Deuteranopia (green-blind)

#3E3821

Tritanopia (blue-blind)

#6D001A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631323;
/* rgb */ color: rgb(99, 19, 35);
/* oklch */ color: oklch(33.3% 0.112 14.8);

Tailwind

colors: {
  custom: {
    50: '#95595d',
    500: '#631323',
    950: '#000000',
  },
}

SCSS

$custom: #631323;
$custom-light: #95595d;
$custom-dark: #000000;

JSON

{
  "hex": "#631323",
  "rgb": {
    "r": 99,
    "g": 19,
    "b": 35
  },
  "hsl": {
    "h": 348,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33297,
    "c": 0.11208,
    "h": 14.8
  },
  "luminance": 0.0324
}

Semantic roles & 50–950 ramp

primary

#631323

secondary

#379B87

accent

#EBC83D

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631323

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

Preview Lab → · Contrast checker → · Palette generator →