#64111F#64111F

#64111F is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.115 H 17.4°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX#64111F
RGBrgb(100, 17, 31)
HSLhsl(350, 71%, 23%)
HSVhsv(350, 83%, 39%)
CMYKcmyk(0%, 83%, 69%, 60.8%)
CIE-LABlab(20.87, 36.85, 14.42)
CIE-LCHlch(20.87, 39.57, 21.37°)
OKLaboklab(33.22% 0.1097 0.0345)
OKLCHoklch(33.22% 0.115 17.4)
XYZxyz(5.7039, 3.2100, 1.6153)
Luminance0.0321 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64111F #116456
analogous
#641148 #64111F #642D11
triadic
#64111F #1F6411 #111F64
tetradic
#64111F #486411 #116456 #2D1164
square
#64111F #486411 #116456 #2D1164
split-complementary
#64111F #11642D #114864
monochromatic
#1A0408 #30080F #64111F #981A2F #CD233F

Accessibility & contrast

On white

12.79
#64111F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.64
#64111F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64111F
12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64111F#FFFFFF#000000##FFFFFF
##64111F1.0012.791.6412.79
#FFFFFF12.791.0021.001.00
#0000001.6421.001.0021.00
##FFFFFF12.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#29271F
Deuteranopia (green-blind)
#3E381D
Tritanopia (blue-blind)
#6E0017
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #64111f;
/* rgb */ color: rgb(100, 17, 31);
/* oklch */ color: oklch(33.2% 0.115 17.4);
Tailwind
colors: {
  custom: {
    50: '#96585a',
    500: '#64111f',
    950: '#000000',
  },
}
SCSS
$custom: #64111f;
$custom-light: #96585a;
$custom-dark: #000000;
JSON
{
  "hex": "#64111f",
  "rgb": {
    "r": 100,
    "g": 17,
    "b": 31
  },
  "hsl": {
    "h": 349.88,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33222,
    "c": 0.11499,
    "h": 17.4
  },
  "luminance": 0.03209
}

Semantic roles & 50–950 ramp

primary
#64111F
secondary
#359C8B
accent
#EECF3A
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0E0403
muted
#7E7978

Preview Lab

Preview with #64111F

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

Preview Lab → · Contrast checker → · Palette generator →

#64111F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva