#631319#631319

#631319 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.1% C 0.112 H 22.2°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX#631319
RGBrgb(99, 19, 25)
HSLhsl(356, 68%, 23%)
HSVhsv(356, 81%, 39%)
CMYKcmyk(0%, 80.8%, 74.7%, 61.2%)
CIE-LABlab(20.79, 35.47, 18.40)
CIE-LCHlch(20.79, 39.95, 27.41°)
OKLaboklab(33.09% 0.104 0.0425)
OKLCHoklch(33.09% 0.112 22.2)
XYZxyz(5.5546, 3.1894, 1.2427)
Luminance0.0319 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631319 #13635D
analogous
#631341 #631319 #633513
triadic
#631319 #196313 #131963
tetradic
#631319 #416313 #13635D #351363
square
#631319 #416313 #13635D #351363
split-complementary
#631319 #136335 #134163
monochromatic
#1A0506 #30090C #631319 #961D26 #CA2733

Accessibility & contrast

On white

12.82
#631319 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.64
#631319 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631319
12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631319#FFFFFF#000000##FFFFFF
##6313191.0012.821.6412.82
#FFFFFF12.821.0021.001.00
#0000001.6421.001.0021.00
##FFFFFF12.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B2719
Deuteranopia (green-blind)
#3F3816
Tritanopia (blue-blind)
#6D0016
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #631319;
/* rgb */ color: rgb(99, 19, 25);
/* oklch */ color: oklch(33.1% 0.112 22.2);
Tailwind
colors: {
  custom: {
    50: '#965955',
    500: '#631319',
    950: '#000000',
  },
}
SCSS
$custom: #631319;
$custom-light: #965955;
$custom-dark: #000000;
JSON
{
  "hex": "#631319",
  "rgb": {
    "r": 99,
    "g": 19,
    "b": 25
  },
  "hsl": {
    "h": 355.5,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33089,
    "c": 0.11233,
    "h": 22.2
  },
  "luminance": 0.03189
}

Semantic roles & 50–950 ramp

primary
#631319
secondary
#379B93
accent
#EBDE3D
background
#F9F5F4
surface
#F2E9E8
border
#CCC5C4
text
#0F0403
muted
#7E7978

Preview Lab

Preview with #631319

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

Preview Lab → · Contrast checker → · Palette generator →

#631319 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva