#631217#631217

#631217 is a dark, moderate red. Relative luminance 0.031; OKLCH L 33.0% C 0.113 H 23.2°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#631217
RGB	rgb(99, 18, 23)
HSL	hsl(356, 69%, 23%)
HSV	hsv(356, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 76.8%, 61.2%)
CIE-LAB	lab(20.63, 35.72, 19.56)
CIE-LCH	lch(20.63, 40.72, 28.70°)
OKLab	oklab(32.96% 0.1043 0.0446)
OKLCH	oklch(32.96% 0.113 23.2)
XYZ	xyz(5.5172, 3.1480, 1.1276)
Luminance	0.0315 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631217 #12635E

analogous

#63123F #631217 #633512

triadic

#631217 #176312 #121763

tetradic

#631217 #3F6312 #12635E #351263

square

#631217 #3F6312 #12635E #351263

split-complementary

#631217 #126335 #123F63

monochromatic

#1A0506 #2F090B #631217 #971B23 #CB252F

Accessibility & contrast

On white

12.89

#631217 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#631217 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631217

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631217	#FFFFFF	#000000	##FFFFFF
##631217	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2716

Deuteranopia (green-blind)

#3F3814

Tritanopia (blue-blind)

#6E0015

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631217;
/* rgb */ color: rgb(99, 18, 23);
/* oklch */ color: oklch(33.0% 0.113 23.2);

Tailwind

colors: {
  custom: {
    50: '#965854',
    500: '#631217',
    950: '#000000',
  },
}

SCSS

$custom: #631217;
$custom-light: #965854;
$custom-dark: #000000;

JSON

{
  "hex": "#631217",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 23
  },
  "hsl": {
    "h": 356.296,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3296,
    "c": 0.11345,
    "h": 23.2
  },
  "luminance": 0.03147
}

Semantic roles & 50–950 ramp

primary

#631217

secondary

#369B95

accent

#ECE13C

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631217

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

Preview Lab → · Contrast checker → · Palette generator →