#631915#631915

#631915 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.107 H 27.5°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#631915
RGB	rgb(99, 25, 21)
HSL	hsl(3, 65%, 24%)
HSV	hsv(3, 79%, 39%)
CMYK	cmyk(0%, 74.7%, 78.8%, 61.2%)
CIE-LAB	lab(21.59, 32.87, 21.98)
CIE-LCH	lch(21.59, 39.54, 33.76°)
OKLab	oklab(33.67% 0.0948 0.0494)
OKLCH	oklch(33.67% 0.107 27.5)
XYZ	xyz(5.6292, 3.4029, 1.0697)
Luminance	0.0340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631915 #155F63

analogous

#631538 #631915 #634015

triadic

#631915 #156319 #191563

tetradic

#631915 #386315 #155F63 #401563

square

#631915 #386315 #155F63 #401563

split-complementary

#631915 #156340 #153863

monochromatic

#190605 #310C0A #631915 #952620 #C8322A

Accessibility & contrast

On white

12.50

#631915 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#631915 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631915

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631915	#FFFFFF	#000000	##FFFFFF
##631915	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A14

Deuteranopia (green-blind)

#413A12

Tritanopia (blue-blind)

#6E0119

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #631915;
/* rgb */ color: rgb(99, 25, 21);
/* oklch */ color: oklch(33.7% 0.107 27.5);

Tailwind

colors: {
  custom: {
    50: '#965b52',
    500: '#631915',
    950: '#000000',
  },
}

SCSS

$custom: #631915;
$custom-light: #965b52;
$custom-dark: #000000;

JSON

{
  "hex": "#631915",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 21
  },
  "hsl": {
    "h": 3.077,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33669,
    "c": 0.10691,
    "h": 27.5
  },
  "luminance": 0.03402
}

Semantic roles & 50–950 ramp

primary

#631915

secondary

#3A959A

accent

#DFE840

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631915

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

Preview Lab → · Contrast checker → · Palette generator →