#631620#631620

#631620 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.5% C 0.109 H 18.3°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#631620
RGB	rgb(99, 22, 32)
HSL	hsl(352, 64%, 24%)
HSV	hsv(352, 78%, 39%)
CMYK	cmyk(0%, 77.8%, 67.7%, 61.2%)
CIE-LAB	lab(21.33, 34.75, 14.27)
CIE-LCH	lch(21.33, 37.57, 22.33°)
OKLab	oklab(33.53% 0.1034 0.0343)
OKLCH	oklch(33.53% 0.109 18.3)
XYZ	xyz(5.6938, 3.3316, 1.7095)
Luminance	0.0333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631620 #166359

analogous

#631646 #631620 #633216

triadic

#631620 #206316 #162063

tetradic

#631620 #466316 #166359 #321663

square

#631620 #466316 #166359 #321663

split-complementary

#631620 #166332 #164663

monochromatic

#190608 #310B10 #631620 #952130 #C72C40

Accessibility & contrast

On white

12.60

#631620 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#631620 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631620

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631620	#FFFFFF	#000000	##FFFFFF
##631620	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2920

Deuteranopia (green-blind)

#3F391E

Tritanopia (blue-blind)

#6D001A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631620;
/* rgb */ color: rgb(99, 22, 32);
/* oklch */ color: oklch(33.5% 0.109 18.3);

Tailwind

colors: {
  custom: {
    50: '#955a5b',
    500: '#631620',
    950: '#000000',
  },
}

SCSS

$custom: #631620;
$custom-light: #955a5b;
$custom-dark: #000000;

JSON

{
  "hex": "#631620",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 32
  },
  "hsl": {
    "h": 352.208,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33531,
    "c": 0.1089,
    "h": 18.3
  },
  "luminance": 0.03331
}

Semantic roles & 50–950 ramp

primary

#631620

secondary

#3B9A8D

accent

#E7D141

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631620

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

Preview Lab → · Contrast checker → · Palette generator →