#631522#631522

#631522 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.5% C 0.110 H 16.4°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#631522
RGB	rgb(99, 21, 34)
HSL	hsl(350, 65%, 24%)
HSV	hsv(350, 79%, 39%)
CMYK	cmyk(0%, 78.8%, 65.7%, 61.2%)
CIE-LAB	lab(21.23, 35.28, 12.76)
CIE-LCH	lch(21.23, 37.52, 19.89°)
OKLab	oklab(33.47% 0.1055 0.031)
OKLCH	oklch(33.47% 0.11 16.4)
XYZ	xyz(5.7031, 3.3053, 1.8507)
Luminance	0.0330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631522 #156356

analogous

#631549 #631522 #632F15

triadic

#631522 #226315 #152263

tetradic

#631522 #496315 #156356 #2F1563

square

#631522 #496315 #156356 #2F1563

split-complementary

#631522 #15632F #154963

monochromatic

#190509 #310A11 #631522 #952033 #C82A45

Accessibility & contrast

On white

12.64

#631522 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#631522 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631522

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631522	#FFFFFF	#000000	##FFFFFF
##631522	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2922

Deuteranopia (green-blind)

#3E3920

Tritanopia (blue-blind)

#6D001A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631522;
/* rgb */ color: rgb(99, 21, 34);
/* oklch */ color: oklch(33.5% 0.110 16.4);

Tailwind

colors: {
  custom: {
    50: '#955a5c',
    500: '#631522',
    950: '#000000',
  },
}

SCSS

$custom: #631522;
$custom-light: #955a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#631522",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 34
  },
  "hsl": {
    "h": 350,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33472,
    "c": 0.10996,
    "h": 16.4
  },
  "luminance": 0.03304
}

Semantic roles & 50–950 ramp

primary

#631522

secondary

#3A9A8A

accent

#E8CC40

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631522

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

Preview Lab → · Contrast checker → · Palette generator →