#631320#631320

#631320 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.112 H 17.2°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#631320
RGB	rgb(99, 19, 32)
HSL	hsl(350, 68%, 23%)
HSV	hsv(350, 81%, 39%)
CMYK	cmyk(0%, 80.8%, 67.7%, 61.2%)
CIE-LAB	lab(20.92, 35.89, 13.75)
CIE-LCH	lch(20.92, 38.43, 20.96°)
OKLab	oklab(33.23% 0.107 0.0331)
OKLCH	oklch(33.23% 0.112 17.2)
XYZ	xyz(5.6398, 3.2235, 1.6915)
Luminance	0.0322 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631320 #136356

analogous

#631348 #631320 #632E13

triadic

#631320 #206313 #132063

tetradic

#631320 #486313 #136356 #2E1363

square

#631320 #486313 #136356 #2E1363

split-complementary

#631320 #13632E #134863

monochromatic

#1A0508 #30090F #631320 #961D31 #CA2741

Accessibility & contrast

On white

12.77

#631320 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#631320 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631320

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631320	#FFFFFF	#000000	##FFFFFF
##631320	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2820

Deuteranopia (green-blind)

#3E381E

Tritanopia (blue-blind)

#6D0019

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631320;
/* rgb */ color: rgb(99, 19, 32);
/* oklch */ color: oklch(33.2% 0.112 17.2);

Tailwind

colors: {
  custom: {
    50: '#95595b',
    500: '#631320',
    950: '#000000',
  },
}

SCSS

$custom: #631320;
$custom-light: #95595b;
$custom-dark: #000000;

JSON

{
  "hex": "#631320",
  "rgb": {
    "r": 99,
    "g": 19,
    "b": 32
  },
  "hsl": {
    "h": 350.25,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33228,
    "c": 0.112,
    "h": 17.2
  },
  "luminance": 0.03223
}

Semantic roles & 50–950 ramp

primary

#631320

secondary

#379B8B

accent

#EBCE3D

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631320

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

Preview Lab → · Contrast checker → · Palette generator →