#631417#631417

#631417 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.112 H 23.9°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#631417
RGB	rgb(99, 20, 23)
HSL	hsl(358, 66%, 23%)
HSV	hsv(358, 80%, 39%)
CMYK	cmyk(0%, 79.8%, 76.8%, 61.2%)
CIE-LAB	lab(20.89, 34.99, 19.86)
CIE-LCH	lch(20.89, 40.24, 29.58°)
OKLab	oklab(33.15% 0.102 0.0453)
OKLCH	oklch(33.15% 0.112 23.9)
XYZ	xyz(5.5510, 3.2157, 1.1388)
Luminance	0.0321 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631417 #146360

analogous

#63143E #631417 #633814

triadic

#631417 #176314 #141763

tetradic

#631417 #3E6314 #146360 #381463

square

#631417 #3E6314 #146360 #381463

split-complementary

#631417 #146338 #143E63

monochromatic

#190506 #300A0B #631417 #961E23 #C9292F

Accessibility & contrast

On white

12.78

#631417 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#631417 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631417

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631417	#FFFFFF	#000000	##FFFFFF
##631417	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2716

Deuteranopia (green-blind)

#3F3814

Tritanopia (blue-blind)

#6E0016

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631417;
/* rgb */ color: rgb(99, 20, 23);
/* oklch */ color: oklch(33.2% 0.112 23.9);

Tailwind

colors: {
  custom: {
    50: '#965954',
    500: '#631417',
    950: '#000000',
  },
}

SCSS

$custom: #631417;
$custom-light: #965954;
$custom-dark: #000000;

JSON

{
  "hex": "#631417",
  "rgb": {
    "r": 99,
    "g": 20,
    "b": 23
  },
  "hsl": {
    "h": 357.722,
    "s": 66.387,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33154,
    "c": 0.11159,
    "h": 23.9
  },
  "luminance": 0.03215
}

Semantic roles & 50–950 ramp

primary

#631417

secondary

#389A97

accent

#E9E33E

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631417

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

Preview Lab → · Contrast checker → · Palette generator →