#642F1E#642F1E

#642F1E is a dark, moderate red. Relative luminance 0.048; OKLCH L 37.3% C 0.082 H 38.4°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX#642F1E
RGBrgb(100, 47, 30)
HSLhsl(15, 54%, 25%)
HSVhsv(15, 70%, 39%)
CMYKcmyk(0%, 53%, 70%, 60.8%)
CIE-LABlab(26.26, 22.37, 21.74)
CIE-LCHlch(26.26, 31.19, 44.19°)
OKLaboklab(37.28% 0.064 0.0507)
OKLCHoklch(37.28% 0.082 38.4)
XYZxyz(6.5070, 4.8369, 1.8190)
Luminance0.0484 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#642F1E #1E5364
analogous
#641E30 #642F1E #64521E
triadic
#642F1E #1E642F #2F1E64
tetradic
#642F1E #30641E #1E5364 #521E64
square
#642F1E #30641E #1E5364 #521E64
split-complementary
#642F1E #1E6452 #1E3064
monochromatic
#180B07 #351910 #642F1E #93452C #C25B3A

Accessibility & contrast

On white

10.68
#642F1E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.97
#642F1E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F1E
10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##642F1E#FFFFFF#000000##FFFFFF
##642F1E1.0010.681.9710.68
#FFFFFF10.681.0021.001.00
#0000001.9721.001.0021.00
##FFFFFF10.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D371C
Deuteranopia (green-blind)
#4A431D
Tritanopia (blue-blind)
#6E252B
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #642f1e;
/* rgb */ color: rgb(100, 47, 30);
/* oklch */ color: oklch(37.3% 0.082 38.4);
Tailwind
colors: {
  custom: {
    50: '#95695a',
    500: '#642f1e',
    950: '#000000',
  },
}
SCSS
$custom: #642f1e;
$custom-light: #95695a;
$custom-dark: #000000;
JSON
{
  "hex": "#642f1e",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 30
  },
  "hsl": {
    "h": 14.571,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37277,
    "c": 0.08159,
    "h": 38.4
  },
  "luminance": 0.04836
}

Semantic roles & 50–950 ramp

primary
#642F1E
secondary
#458499
accent
#BADD4B
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0604
muted
#7E7A79

Preview Lab

Preview with #642F1E

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

Preview Lab → · Contrast checker → · Palette generator →

#642F1E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva