#631413#631413

#631413 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.1% C 0.112 H 26.4°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#631413
RGB	rgb(99, 20, 19)
HSL	hsl(1, 68%, 23%)
HSV	hsv(1, 81%, 39%)
CMYK	cmyk(0%, 79.8%, 80.8%, 61.2%)
CIE-LAB	lab(20.83, 34.80, 22.42)
CIE-LCH	lch(20.83, 41.40, 32.79°)
OKLab	oklab(33.09% 0.1004 0.0498)
OKLCH	oklch(33.09% 0.112 26.4)
XYZ	xyz(5.5139, 3.2008, 0.9435)
Luminance	0.0320 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631413 #136263

analogous

#63133A #631413 #633C13

triadic

#631413 #136314 #141363

tetradic

#631413 #3A6313 #136263 #3C1363

square

#631413 #3A6313 #136263 #3C1363

split-complementary

#631413 #13633C #133A63

monochromatic

#1A0505 #300A09 #631413 #961E1D #CA2927

Accessibility & contrast

On white

12.80

#631413 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#631413 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631413

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631413	#FFFFFF	#000000	##FFFFFF
##631413	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2712

Deuteranopia (green-blind)

#3F3810

Tritanopia (blue-blind)

#6E0015

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631413;
/* rgb */ color: rgb(99, 20, 19);
/* oklch */ color: oklch(33.1% 0.112 26.4);

Tailwind

colors: {
  custom: {
    50: '#965951',
    500: '#631413',
    950: '#000000',
  },
}

SCSS

$custom: #631413;
$custom-light: #965951;
$custom-dark: #000000;

JSON

{
  "hex": "#631413",
  "rgb": {
    "r": 99,
    "g": 20,
    "b": 19
  },
  "hsl": {
    "h": 0.75,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33093,
    "c": 0.11211,
    "h": 26.4
  },
  "luminance": 0.032
}

Semantic roles & 50–950 ramp

primary

#631413

secondary

#37999B

accent

#E9EB3D

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631413

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

Preview Lab → · Contrast checker → · Palette generator →