#631A2C#631A2C

#631A2C is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.105 H 10.0°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#631A2C
RGB	rgb(99, 26, 44)
HSL	hsl(345, 58%, 25%)
HSV	hsv(345, 74%, 39%)
CMYK	cmyk(0%, 73.7%, 55.6%, 61.2%)
CIE-LAB	lab(22.21, 34.06, 7.14)
CIE-LCH	lch(22.21, 34.80, 11.85°)
OKLab	oklab(34.28% 0.1033 0.0182)
OKLCH	oklch(34.28% 0.105 10)
XYZ	xyz(5.9701, 3.5741, 2.7579)
Luminance	0.0357 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A2C #1A6351

analogous

#631A51 #631A2C #632C1A

triadic

#631A2C #2C631A #1A2C63

tetradic

#631A2C #51631A #1A6351 #2C1A63

square

#631A2C #51631A #1A6351 #2C1A63

split-complementary

#631A2C #1A632C #1A5163

monochromatic

#18060B #330D16 #631A2C #932742 #C43357

Accessibility & contrast

On white

12.25

#631A2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#631A2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A2C

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A2C	#FFFFFF	#000000	##FFFFFF
##631A2C	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2C2C

Deuteranopia (green-blind)

#3F3B2A

Tritanopia (blue-blind)

#6C0C21

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #631a2c;
/* rgb */ color: rgb(99, 26, 44);
/* oklch */ color: oklch(34.3% 0.105 10.0);

Tailwind

colors: {
  custom: {
    50: '#945c64',
    500: '#631a2c',
    950: '#000000',
  },
}

SCSS

$custom: #631a2c;
$custom-light: #945c64;
$custom-dark: #000000;

JSON

{
  "hex": "#631a2c",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 44
  },
  "hsl": {
    "h": 345.205,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.3428,
    "c": 0.10492,
    "h": 10
  },
  "luminance": 0.03573
}

Semantic roles & 50–950 ramp

primary

#631A2C

secondary

#409983

accent

#E2BB46

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0405

muted

#7E797A

Preview Lab

Preview with #631A2C

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

Preview Lab → · Contrast checker → · Palette generator →