#64371A#64371A

#64371A is a dark, moderate orange. Relative luminance 0.055; OKLCH L 38.7% C 0.077 H 51.4°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX#64371A
RGBrgb(100, 55, 26)
HSLhsl(24, 59%, 25%)
HSVhsv(24, 74%, 39%)
CMYKcmyk(0%, 45%, 74%, 60.8%)
CIE-LABlab(28.16, 17.31, 26.31)
CIE-LCHlch(28.16, 31.50, 56.66°)
OKLaboklab(38.71% 0.0478 0.0599)
OKLCHoklch(38.71% 0.077 51.4)
XYZxyz(6.8087, 5.5170, 1.6834)
Luminance0.0552 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64371A #1A4764
analogous
#641A22 #64371A #645C1A
triadic
#64371A #1A6437 #371A64
tetradic
#64371A #22641A #1A4764 #5C1A64
square
#64371A #22641A #1A4764 #5C1A64
split-complementary
#64371A #1A645C #1A2264
monochromatic
#180D06 #331C0D #64371A #955227 #C56C33

Accessibility & contrast

On white

9.98
#64371A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#64371A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64371A
9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64371A#FFFFFF#000000##FFFFFF
##64371A1.009.982.109.98
#FFFFFF9.981.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF9.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#443C17
Deuteranopia (green-blind)
#4F461A
Tritanopia (blue-blind)
#6E2E31
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #64371a;
/* rgb */ color: rgb(100, 55, 26);
/* oklch */ color: oklch(38.7% 0.077 51.4);
Tailwind
colors: {
  custom: {
    50: '#946e58',
    500: '#64371a',
    950: '#000000',
  },
}
SCSS
$custom: #64371a;
$custom-light: #946e58;
$custom-dark: #000000;
JSON
{
  "hex": "#64371a",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 26
  },
  "hsl": {
    "h": 23.514,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.38712,
    "c": 0.07661,
    "h": 51.4
  },
  "luminance": 0.05516
}

Semantic roles & 50–950 ramp

primary
#64371A
secondary
#40779A
accent
#A5E246
background
#F9F6F5
surface
#F2ECE9
border
#CCC7C5
text
#0E0703
muted
#7E7A78

Preview Lab

Preview with #64371A

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

Preview Lab → · Contrast checker → · Palette generator →

#64371A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva