#631619#631619

#631619 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.109 H 23.5°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#631619
RGB	rgb(99, 22, 25)
HSL	hsl(358, 64%, 24%)
HSV	hsv(358, 78%, 39%)
CMYK	cmyk(0%, 77.8%, 74.7%, 61.2%)
CIE-LAB	lab(21.20, 34.32, 18.89)
CIE-LCH	lch(21.20, 39.18, 28.82°)
OKLab	oklab(33.4% 0.1004 0.0436)
OKLCH	oklch(33.4% 0.109 23.5)
XYZ	xyz(5.6086, 3.2975, 1.2607)
Luminance	0.0330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631619 #166360

analogous

#63163F #631619 #633916

triadic

#631619 #196316 #161963

tetradic

#631619 #3F6316 #166360 #391663

square

#631619 #3F6316 #166360 #391663

split-complementary

#631619 #166339 #163F63

monochromatic

#190606 #310B0C #631619 #952126 #C72C32

Accessibility & contrast

On white

12.66

#631619 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#631619 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631619

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631619	#FFFFFF	#000000	##FFFFFF
##631619	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2818

Deuteranopia (green-blind)

#403916

Tritanopia (blue-blind)

#6D0018

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631619;
/* rgb */ color: rgb(99, 22, 25);
/* oklch */ color: oklch(33.4% 0.109 23.5);

Tailwind

colors: {
  custom: {
    50: '#965a55',
    500: '#631619',
    950: '#000000',
  },
}

SCSS

$custom: #631619;
$custom-light: #965a55;
$custom-dark: #000000;

JSON

{
  "hex": "#631619",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 25
  },
  "hsl": {
    "h": 357.662,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33395,
    "c": 0.1094,
    "h": 23.5
  },
  "luminance": 0.03297
}

Semantic roles & 50–950 ramp

primary

#631619

secondary

#3B9A96

accent

#E7E041

background

#F9F5F4

surface

#F2E9E8

border

#CCC5C4

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #631619

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

Preview Lab → · Contrast checker → · Palette generator →