#63161F#63161F

#63161F is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.5% C 0.109 H 19.1°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#63161F
RGB	rgb(99, 22, 31)
HSL	hsl(353, 64%, 24%)
HSV	hsv(353, 78%, 39%)
CMYK	cmyk(0%, 77.8%, 68.7%, 61.2%)
CIE-LAB	lab(21.31, 34.69, 14.94)
CIE-LCH	lch(21.31, 37.77, 23.30°)
OKLab	oklab(33.51% 0.1029 0.0357)
OKLCH	oklch(33.51% 0.109 19.1)
XYZ	xyz(5.6804, 3.3262, 1.6390)
Luminance	0.0333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63161F #16635A

analogous

#631645 #63161F #633316

triadic

#63161F #1F6316 #161F63

tetradic

#63161F #456316 #16635A #331663

square

#63161F #456316 #16635A #331663

split-complementary

#63161F #166333 #164563

monochromatic

#190608 #310B0F #63161F #95212F #C72C3E

Accessibility & contrast

On white

12.61

#63161F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#63161F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63161F

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63161F	#FFFFFF	#000000	##FFFFFF
##63161F	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B291F

Deuteranopia (green-blind)

#3F391D

Tritanopia (blue-blind)

#6D001A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #63161f;
/* rgb */ color: rgb(99, 22, 31);
/* oklch */ color: oklch(33.5% 0.109 19.1);

Tailwind

colors: {
  custom: {
    50: '#955a5a',
    500: '#63161f',
    950: '#000000',
  },
}

SCSS

$custom: #63161f;
$custom-light: #955a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#63161f",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 31
  },
  "hsl": {
    "h": 352.987,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3351,
    "c": 0.10894,
    "h": 19.1
  },
  "luminance": 0.03325
}

Semantic roles & 50–950 ramp

primary

#63161F

secondary

#3B9A8F

accent

#E7D341

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63161F

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

Preview Lab → · Contrast checker → · Palette generator →