#631223#631223

#631223 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.113 H 14.5°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#631223
RGB	rgb(99, 18, 35)
HSL	hsl(347, 69%, 23%)
HSV	hsv(347, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 64.6%, 61.2%)
CIE-LAB	lab(20.86, 36.46, 11.57)
CIE-LCH	lch(20.86, 38.25, 17.61°)
OKLab	oklab(33.2% 0.1095 0.0283)
OKLCH	oklch(33.2% 0.113 14.5)
XYZ	xyz(5.6659, 3.2074, 1.9105)
Luminance	0.0321 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631223 #126352

analogous

#63124C #631223 #632912

triadic

#631223 #236312 #122363

tetradic

#631223 #4C6312 #126352 #291263

square

#631223 #4C6312 #126352 #291263

split-complementary

#631223 #126329 #124C63

monochromatic

#1A0509 #2F0911 #631223 #971B35 #CB2548

Accessibility & contrast

On white

12.79

#631223 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#631223 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631223

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631223	#FFFFFF	#000000	##FFFFFF
##631223	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)

#292723

Deuteranopia (green-blind)

#3D3821

Tritanopia (blue-blind)

#6D0019

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631223;
/* rgb */ color: rgb(99, 18, 35);
/* oklch */ color: oklch(33.2% 0.113 14.5);

Tailwind

colors: {
  custom: {
    50: '#95595d',
    500: '#631223',
    950: '#000000',
  },
}

SCSS

$custom: #631223;
$custom-light: #95595d;
$custom-dark: #000000;

JSON

{
  "hex": "#631223",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 35
  },
  "hsl": {
    "h": 347.407,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33204,
    "c": 0.11309,
    "h": 14.5
  },
  "luminance": 0.03207
}

Semantic roles & 50–950 ramp

primary

#631223

secondary

#369B86

accent

#ECC73C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631223

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

Preview Lab → · Contrast checker → · Palette generator →