#63131E#63131E

#63131E is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.112 H 18.7°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#63131E
RGB	rgb(99, 19, 30)
HSL	hsl(352, 68%, 23%)
HSV	hsv(352, 81%, 39%)
CMYK	cmyk(0%, 80.8%, 69.7%, 61.2%)
CIE-LAB	lab(20.88, 35.76, 15.08)
CIE-LCH	lch(20.88, 38.81, 22.87°)
OKLab	oklab(33.18% 0.1061 0.0359)
OKLCH	oklch(33.18% 0.112 18.7)
XYZ	xyz(5.6134, 3.2130, 1.5526)
Luminance	0.0321 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63131E #136358

analogous

#631346 #63131E #633013

triadic

#63131E #1E6313 #131E63

tetradic

#63131E #466313 #136358 #301363

square

#63131E #466313 #136358 #301363

split-complementary

#63131E #136330 #134663

monochromatic

#1A0508 #30090E #63131E #961D2E #CA273D

Accessibility & contrast

On white

12.79

#63131E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#63131E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63131E

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63131E	#FFFFFF	#000000	##FFFFFF
##63131E	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271E

Deuteranopia (green-blind)

#3E381C

Tritanopia (blue-blind)

#6D0018

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #63131e;
/* rgb */ color: rgb(99, 19, 30);
/* oklch */ color: oklch(33.2% 0.112 18.7);

Tailwind

colors: {
  custom: {
    50: '#955959',
    500: '#63131e',
    950: '#000000',
  },
}

SCSS

$custom: #63131e;
$custom-light: #955959;
$custom-dark: #000000;

JSON

{
  "hex": "#63131e",
  "rgb": {
    "r": 99,
    "g": 19,
    "b": 30
  },
  "hsl": {
    "h": 351.75,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33185,
    "c": 0.11203,
    "h": 18.7
  },
  "luminance": 0.03212
}

Semantic roles & 50–950 ramp

primary

#63131E

secondary

#379B8D

accent

#EBD33D

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63131E

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

Preview Lab → · Contrast checker → · Palette generator →