#64391E#64391E

#64391E is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.2% C 0.073 H 51.3°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX#64391E
RGBrgb(100, 57, 30)
HSLhsl(23, 54%, 25%)
HSVhsv(23, 70%, 39%)
CMYKcmyk(0%, 43%, 70%, 60.8%)
CIE-LABlab(28.72, 16.36, 24.62)
CIE-LCHlch(28.72, 29.56, 56.40°)
OKLaboklab(39.16% 0.0457 0.0569)
OKLCHoklch(39.16% 0.073 51.3)
XYZxyz(6.9535, 5.7300, 1.9678)
Luminance0.0573 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64391E #1E4964
analogous
#641E26 #64391E #645C1E
triadic
#64391E #1E6439 #391E64
tetradic
#64391E #26641E #1E4964 #5C1E64
square
#64391E #26641E #1E4964 #5C1E64
split-complementary
#64391E #1E645C #1E2664
monochromatic
#180D07 #351E10 #64391E #93542C #C26F3A

Accessibility & contrast

On white

9.79
#64391E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.15
#64391E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64391E
9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64391E#FFFFFF#000000##FFFFFF
##64391E1.009.792.159.79
#FFFFFF9.791.0021.001.00
#0000002.1521.001.0021.00
##FFFFFF9.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#453E1B
Deuteranopia (green-blind)
#4F471E
Tritanopia (blue-blind)
#6E3033
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #64391e;
/* rgb */ color: rgb(100, 57, 30);
/* oklch */ color: oklch(39.2% 0.073 51.3);
Tailwind
colors: {
  custom: {
    50: '#946f5b',
    500: '#64391e',
    950: '#000000',
  },
}
SCSS
$custom: #64391e;
$custom-light: #946f5b;
$custom-dark: #000000;
JSON
{
  "hex": "#64391e",
  "rgb": {
    "r": 100,
    "g": 57,
    "b": 30
  },
  "hsl": {
    "h": 23.143,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.39161,
    "c": 0.07297,
    "h": 51.3
  },
  "luminance": 0.05729
}

Semantic roles & 50–950 ramp

primary
#64391E
secondary
#457899
accent
#A5DD4B
background
#F9F6F5
surface
#F2ECE9
border
#CCC7C5
text
#0E0704
muted
#7E7A79

Preview Lab

Preview with #64391E

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

Preview Lab → · Contrast checker → · Palette generator →

#64391E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva