#645136#645136

#645136 is a dark, muted orange. Relative luminance 0.089; OKLCH L 44.7% C 0.048 H 75.8°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX#645136
RGBrgb(100, 81, 54)
HSLhsl(35, 30%, 30%)
HSVhsv(35, 46%, 39%)
CMYKcmyk(0%, 19%, 46%, 60.8%)
CIE-LABlab(35.72, 3.83, 18.84)
CIE-LCHlch(35.72, 19.23, 78.50°)
OKLaboklab(44.73% 0.0118 0.0463)
OKLCHoklch(44.73% 0.048 75.8)
XYZxyz(8.8641, 8.8610, 4.7328)
Luminance0.0886 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#645136 #364964
analogous
#643A36 #645136 #606436
triadic
#645136 #366451 #513664
tetradic
#645136 #36643A #364964 #643660
square
#645136 #36643A #364964 #643660
split-complementary
#645136 #366064 #3A3664
monochromatic
#15110B #3C3121 #645136 #8C714B #AD9067

Accessibility & contrast

On white

7.58
#645136 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.77
#645136 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645136
7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##645136#FFFFFF#000000##FFFFFF
##6451361.007.582.777.58
#FFFFFF7.581.0021.001.00
#0000002.7721.001.0021.00
##FFFFFF7.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#585134
Deuteranopia (green-blind)
#5D5637
Tritanopia (blue-blind)
#6B4C4A
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #645136;
/* rgb */ color: rgb(100, 81, 54);
/* oklch */ color: oklch(44.7% 0.048 75.8);
Tailwind
colors: {
  custom: {
    50: '#91816d',
    500: '#645136',
    950: '#000000',
  },
}
SCSS
$custom: #645136;
$custom-light: #91816d;
$custom-dark: #000000;
JSON
{
  "hex": "#645136",
  "rgb": {
    "r": 100,
    "g": 81,
    "b": 54
  },
  "hsl": {
    "h": 35.217,
    "s": 29.87,
    "l": 30.196
  },
  "oklch": {
    "l": 0.44726,
    "c": 0.04781,
    "h": 75.8
  },
  "luminance": 0.08861
}

Semantic roles & 50–950 ramp

primary
#645136
secondary
#617695
accent
#8BC662
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0A07
muted
#7E7C7A

Preview Lab

Preview with #645136

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

Preview Lab → · Contrast checker → · Palette generator →

#645136 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva