#64271E#64271E

#64271E is a dark, moderate red. Relative luminance 0.043; OKLCH L 35.9% C 0.091 H 30.5°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX#64271E
RGBrgb(100, 39, 30)
HSLhsl(8, 54%, 25%)
HSVhsv(8, 70%, 39%)
CMYKcmyk(0%, 61%, 70%, 60.8%)
CIE-LABlab(24.50, 26.89, 19.62)
CIE-LCHlch(24.50, 33.29, 36.11°)
OKLaboklab(35.94% 0.078 0.046)
OKLCHoklch(35.94% 0.091 30.5)
XYZxyz(6.2160, 4.2549, 1.7220)
Luminance0.0425 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64271E #1E5B64
analogous
#641E38 #64271E #644A1E
triadic
#64271E #1E6427 #271E64
tetradic
#64271E #38641E #1E5B64 #4A1E64
square
#64271E #38641E #1E5B64 #4A1E64
split-complementary
#64271E #1E644A #1E3864
monochromatic
#180907 #351510 #64271E #93392C #C24C3A

Accessibility & contrast

On white

11.35
#64271E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#64271E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64271E
11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64271E#FFFFFF#000000##FFFFFF
##64271E1.0011.351.8511.35
#FFFFFF11.351.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#37321D
Deuteranopia (green-blind)
#463F1C
Tritanopia (blue-blind)
#6E1B25
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #64271e;
/* rgb */ color: rgb(100, 39, 30);
/* oklch */ color: oklch(35.9% 0.091 30.5);
Tailwind
colors: {
  custom: {
    50: '#95635a',
    500: '#64271e',
    950: '#000000',
  },
}
SCSS
$custom: #64271e;
$custom-light: #95635a;
$custom-dark: #000000;
JSON
{
  "hex": "#64271e",
  "rgb": {
    "r": 100,
    "g": 39,
    "b": 30
  },
  "hsl": {
    "h": 7.714,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35935,
    "c": 0.09052,
    "h": 30.5
  },
  "luminance": 0.04254
}

Semantic roles & 50–950 ramp

primary
#64271E
secondary
#458E99
accent
#CADD4B
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0503
muted
#7E7A78

Preview Lab

Preview with #64271E

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

Preview Lab → · Contrast checker → · Palette generator →

#64271E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva