#63121C#63121C

#63121C is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.1% C 0.113 H 19.8°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#63121C
RGB	rgb(99, 18, 28)
HSL	hsl(353, 69%, 23%)
HSV	hsv(353, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 71.7%, 61.2%)
CIE-LAB	lab(20.71, 35.99, 16.26)
CIE-LCH	lch(20.71, 39.49, 24.31°)
OKLab	oklab(33.05% 0.1064 0.0382)
OKLCH	oklch(33.05% 0.113 19.8)
XYZ	xyz(5.5721, 3.1700, 1.4168)
Luminance	0.0317 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63121C #126359

analogous

#631244 #63121C #633112

triadic

#63121C #1C6312 #121C63

tetradic

#63121C #446312 #126359 #311263

square

#63121C #446312 #126359 #311263

split-complementary

#63121C #126331 #124463

monochromatic

#1A0507 #2F090D #63121C #971B2B #CB2539

Accessibility & contrast

On white

12.85

#63121C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#63121C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63121C

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63121C	#FFFFFF	#000000	##FFFFFF
##63121C	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271C

Deuteranopia (green-blind)

#3E381A

Tritanopia (blue-blind)

#6D0017

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #63121c;
/* rgb */ color: rgb(99, 18, 28);
/* oklch */ color: oklch(33.1% 0.113 19.8);

Tailwind

colors: {
  custom: {
    50: '#965857',
    500: '#63121c',
    950: '#000000',
  },
}

SCSS

$custom: #63121c;
$custom-light: #965857;
$custom-dark: #000000;

JSON

{
  "hex": "#63121c",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 28
  },
  "hsl": {
    "h": 352.593,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3305,
    "c": 0.11307,
    "h": 19.8
  },
  "luminance": 0.03169
}

Semantic roles & 50–950 ramp

primary

#63121C

secondary

#369B8F

accent

#ECD63C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63121C

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

Preview Lab → · Contrast checker → · Palette generator →