#631222#631222

#631222 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.113 H 15.3°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#631222
RGB	rgb(99, 18, 34)
HSL	hsl(348, 69%, 23%)
HSV	hsv(348, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 65.7%, 61.2%)
CIE-LAB	lab(20.83, 36.38, 12.24)
CIE-LCH	lch(20.83, 38.39, 18.60°)
OKLab	oklab(33.18% 0.109 0.0298)
OKLCH	oklch(33.18% 0.113 15.3)
XYZ	xyz(5.6512, 3.2016, 1.8335)
Luminance	0.0320 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631222 #126353

analogous

#63124A #631222 #632A12

triadic

#631222 #226312 #122263

tetradic

#631222 #4A6312 #126353 #2A1263

square

#631222 #4A6312 #126353 #2A1263

split-complementary

#631222 #12632A #124A63

monochromatic

#1A0509 #2F0910 #631222 #971B34 #CB2546

Accessibility & contrast

On white

12.80

#631222 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#631222 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631222

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631222	#FFFFFF	#000000	##FFFFFF
##631222	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)

#292722

Deuteranopia (green-blind)

#3D3820

Tritanopia (blue-blind)

#6D0019

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631222;
/* rgb */ color: rgb(99, 18, 34);
/* oklch */ color: oklch(33.2% 0.113 15.3);

Tailwind

colors: {
  custom: {
    50: '#95585c',
    500: '#631222',
    950: '#000000',
  },
}

SCSS

$custom: #631222;
$custom-light: #95585c;
$custom-dark: #000000;

JSON

{
  "hex": "#631222",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 34
  },
  "hsl": {
    "h": 348.148,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3318,
    "c": 0.11304,
    "h": 15.3
  },
  "luminance": 0.03201
}

Semantic roles & 50–950 ramp

primary

#631222

secondary

#369B87

accent

#ECC93C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631222

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

Preview Lab → · Contrast checker → · Palette generator →