#631327#631327

#631327 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.112 H 11.6°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#631327
RGB	rgb(99, 19, 39)
HSL	hsl(345, 68%, 23%)
HSV	hsv(345, 81%, 39%)
CMYK	cmyk(0%, 80.8%, 60.6%, 61.2%)
CIE-LAB	lab(21.08, 36.41, 9.07)
CIE-LCH	lch(21.08, 37.52, 13.99°)
OKLab	oklab(33.4% 0.1101 0.0227)
OKLCH	oklch(33.4% 0.112 11.6)
XYZ	xyz(5.7452, 3.2657, 2.2469)
Luminance	0.0326 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631327 #13634F

analogous

#63134F #631327 #632713

triadic

#631327 #276313 #132763

tetradic

#631327 #4F6313 #13634F #271363

square

#631327 #4F6313 #13634F #271363

split-complementary

#631327 #136327 #134F63

monochromatic

#1A050A #300913 #631327 #961D3B #CA274F

Accessibility & contrast

On white

12.70

#631327 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#631327 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631327

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631327	#FFFFFF	#000000	##FFFFFF
##631327	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292827

Deuteranopia (green-blind)

#3D3925

Tritanopia (blue-blind)

#6D001B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631327;
/* rgb */ color: rgb(99, 19, 39);
/* oklch */ color: oklch(33.4% 0.112 11.6);

Tailwind

colors: {
  custom: {
    50: '#955960',
    500: '#631327',
    950: '#000000',
  },
}

SCSS

$custom: #631327;
$custom-light: #955960;
$custom-dark: #000000;

JSON

{
  "hex": "#631327",
  "rgb": {
    "r": 99,
    "g": 19,
    "b": 39
  },
  "hsl": {
    "h": 345,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33399,
    "c": 0.11241,
    "h": 11.6
  },
  "luminance": 0.03265
}

Semantic roles & 50–950 ramp

primary

#631327

secondary

#379B82

accent

#EBBF3D

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #631327

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

Preview Lab → · Contrast checker → · Palette generator →