#641C0E#641C0E

#641C0E is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.1% C 0.106 H 33.0°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX#641C0E
RGBrgb(100, 28, 14)
HSLhsl(10, 75%, 22%)
HSVhsv(10, 86%, 39%)
CMYKcmyk(0%, 72%, 86%, 60.8%)
CIE-LABlab(22.20, 31.62, 26.81)
CIE-LCHlch(22.20, 41.45, 40.30°)
OKLaboklab(34.14% 0.0892 0.058)
OKLCHoklch(34.14% 0.106 33)
XYZxyz(5.7507, 3.5724, 0.8021)
Luminance0.0357 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641C0E #0E5664
analogous
#640E2B #641C0E #64470E
triadic
#641C0E #0E641C #1C0E64
tetradic
#641C0E #2B640E #0E5664 #470E64
square
#641C0E #2B640E #0E5664 #470E64
split-complementary
#641C0E #0E6447 #0E2B64
monochromatic
#1B0804 #2E0D06 #641C0E #9A2B16 #CF3A1D

Accessibility & contrast

On white

12.25
#641C0E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.71
#641C0E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C0E
12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641C0E#FFFFFF#000000##FFFFFF
##641C0E1.0012.251.7112.25
#FFFFFF12.251.0021.001.00
#0000001.7121.001.0021.00
##FFFFFF12.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#312B0C
Deuteranopia (green-blind)
#433B0B
Tritanopia (blue-blind)
#6F0519
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #641c0e;
/* rgb */ color: rgb(100, 28, 14);
/* oklch */ color: oklch(34.1% 0.106 33.0);
Tailwind
colors: {
  custom: {
    50: '#975d4e',
    500: '#641c0e',
    950: '#000000',
  },
}
SCSS
$custom: #641c0e;
$custom-light: #975d4e;
$custom-dark: #000000;
JSON
{
  "hex": "#641c0e",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 14
  },
  "hsl": {
    "h": 9.767,
    "s": 75.439,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34141,
    "c": 0.10639,
    "h": 33
  },
  "luminance": 0.03572
}

Semantic roles & 50–950 ramp

primary
#641C0E
secondary
#318C9D
accent
#D3F236
background
#FAF5F4
surface
#F3E9E7
border
#CDC5C3
text
#0F0401
muted
#7F7977

Preview Lab

Preview with #641C0E

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

Preview Lab → · Contrast checker → · Palette generator →

#641C0E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva