#64381E#64381E

#64381E is a dark, moderate orange. Relative luminance 0.056; OKLCH L 39.0% C 0.074 H 49.8°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX#64381E
RGBrgb(100, 56, 30)
HSLhsl(22, 54%, 25%)
HSVhsv(22, 70%, 39%)
CMYKcmyk(0%, 44%, 70%, 60.8%)
CIE-LABlab(28.46, 16.97, 24.32)
CIE-LCHlch(28.46, 29.66, 55.10°)
OKLaboklab(38.96% 0.0475 0.0563)
OKLCHoklch(38.96% 0.074 49.8)
XYZxyz(6.9046, 5.6321, 1.9515)
Luminance0.0563 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64381E #1E4A64
analogous
#641E27 #64381E #645B1E
triadic
#64381E #1E6438 #381E64
tetradic
#64381E #27641E #1E4A64 #5B1E64
square
#64381E #27641E #1E4A64 #5B1E64
split-complementary
#64381E #1E645B #1E2764
monochromatic
#180D07 #351E10 #64381E #93522C #C26D3A

Accessibility & contrast

On white

9.88
#64381E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.13
#64381E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64381E
9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64381E#FFFFFF#000000##FFFFFF
##64381E1.009.882.139.88
#FFFFFF9.881.0021.001.00
#0000002.1321.001.0021.00
##FFFFFF9.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#443D1B
Deuteranopia (green-blind)
#4F471E
Tritanopia (blue-blind)
#6E2F32
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #64381e;
/* rgb */ color: rgb(100, 56, 30);
/* oklch */ color: oklch(39.0% 0.074 49.8);
Tailwind
colors: {
  custom: {
    50: '#946f5a',
    500: '#64381e',
    950: '#000000',
  },
}
SCSS
$custom: #64381e;
$custom-light: #946f5a;
$custom-dark: #000000;
JSON
{
  "hex": "#64381e",
  "rgb": {
    "r": 100,
    "g": 56,
    "b": 30
  },
  "hsl": {
    "h": 22.286,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.38964,
    "c": 0.07365,
    "h": 49.8
  },
  "luminance": 0.05631
}

Semantic roles & 50–950 ramp

primary
#64381E
secondary
#457A99
accent
#A7DD4B
background
#F9F6F5
surface
#F2ECE9
border
#CCC7C5
text
#0E0704
muted
#7E7A79

Preview Lab

Preview with #64381E

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

Preview Lab → · Contrast checker → · Palette generator →

#64381E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva