#64121C#64121C

#64121C is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.3% C 0.114 H 19.9°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX#64121C
RGBrgb(100, 18, 28)
HSLhsl(353, 69%, 23%)
HSVhsv(353, 82%, 39%)
CMYKcmyk(0%, 82%, 72%, 60.8%)
CIE-LABlab(20.93, 36.33, 16.57)
CIE-LCHlch(20.93, 39.93, 24.52°)
OKLaboklab(33.25% 0.1073 0.0389)
OKLCHoklch(33.25% 0.114 19.9)
XYZxyz(5.6821, 3.2266, 1.4220)
Luminance0.0323 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64121C #12645A
analogous
#641245 #64121C #643112
triadic
#64121C #1C6412 #121C64
tetradic
#64121C #456412 #12645A #311264
square
#64121C #456412 #12645A #311264
split-complementary
#64121C #126431 #124564
monochromatic
#1A0507 #30090D #64121C #981B2B #CC2539

Accessibility & contrast

On white

12.76
#64121C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.65
#64121C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64121C
12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64121C#FFFFFF#000000##FFFFFF
##64121C1.0012.761.6512.76
#FFFFFF12.761.0021.001.00
#0000001.6521.001.0021.00
##FFFFFF12.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A271C
Deuteranopia (green-blind)
#3F3919
Tritanopia (blue-blind)
#6F0017
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #64121c;
/* rgb */ color: rgb(100, 18, 28);
/* oklch */ color: oklch(33.3% 0.114 19.9);
Tailwind
colors: {
  custom: {
    50: '#975858',
    500: '#64121c',
    950: '#000000',
  },
}
SCSS
$custom: #64121c;
$custom-light: #975858;
$custom-dark: #000000;
JSON
{
  "hex": "#64121c",
  "rgb": {
    "r": 100,
    "g": 18,
    "b": 28
  },
  "hsl": {
    "h": 352.683,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33251,
    "c": 0.11415,
    "h": 19.9
  },
  "luminance": 0.03226
}

Semantic roles & 50–950 ramp

primary
#64121C
secondary
#369C8F
accent
#ECD73B
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0F0403
muted
#7E7978

Preview Lab

Preview with #64121C

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

Preview Lab → · Contrast checker → · Palette generator →

#64121C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva