#64311A#64311A

#64311A is a dark, moderate orange. Relative luminance 0.050; OKLCH L 37.6% C 0.081 H 43.8°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX#64311A
RGBrgb(100, 49, 26)
HSLhsl(19, 59%, 25%)
HSVhsv(19, 74%, 39%)
CMYKcmyk(0%, 51%, 74%, 60.8%)
CIE-LABlab(26.68, 20.93, 24.66)
CIE-LCHlch(26.68, 32.34, 49.69°)
OKLaboklab(37.58% 0.0588 0.0563)
OKLCHoklch(37.58% 0.081 43.8)
XYZxyz(6.5409, 4.9813, 1.5941)
Luminance0.0498 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64311A #1A4D64
analogous
#641A28 #64311A #64561A
triadic
#64311A #1A6431 #311A64
tetradic
#64311A #28641A #1A4D64 #561A64
square
#64311A #28641A #1A4D64 #561A64
split-complementary
#64311A #1A6456 #1A2864
monochromatic
#180C06 #33190D #64311A #954927 #C56133

Accessibility & contrast

On white

10.52
#64311A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.00
#64311A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64311A
10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64311A#FFFFFF#000000##FFFFFF
##64311A1.0010.522.0010.52
#FFFFFF10.521.0021.001.00
#0000002.0021.001.0021.00
##FFFFFF10.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F3818
Deuteranopia (green-blind)
#4B4319
Tritanopia (blue-blind)
#6E272C
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #64311a;
/* rgb */ color: rgb(100, 49, 26);
/* oklch */ color: oklch(37.6% 0.081 43.8);
Tailwind
colors: {
  custom: {
    50: '#956a57',
    500: '#64311a',
    950: '#000000',
  },
}
SCSS
$custom: #64311a;
$custom-light: #956a57;
$custom-dark: #000000;
JSON
{
  "hex": "#64311a",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 26
  },
  "hsl": {
    "h": 18.649,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.37578,
    "c": 0.08138,
    "h": 43.8
  },
  "luminance": 0.04981
}

Semantic roles & 50–950 ramp

primary
#64311A
secondary
#407E9A
accent
#B1E246
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0603
muted
#7E7A78

Preview Lab

Preview with #64311A

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

Preview Lab → · Contrast checker → · Palette generator →

#64311A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva