#645121#645121

#645121 is a dark, moderate orange. Relative luminance 0.087; OKLCH L 44.4% C 0.070 H 87.6°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX#645121
RGBrgb(100, 81, 33)
HSLhsl(43, 50%, 26%)
HSVhsv(43, 67%, 39%)
CMYKcmyk(0%, 19%, 67%, 60.8%)
CIE-LABlab(35.41, 1.77, 30.51)
CIE-LCHlch(35.41, 30.56, 86.69°)
OKLaboklab(44.39% 0.003 0.0701)
OKLCHoklch(44.39% 0.07 87.6)
XYZxyz(8.4729, 8.7045, 2.6724)
Luminance0.0870 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#645121 #213464
analogous
#642F21 #645121 #556421
triadic
#645121 #216451 #512164
tetradic
#645121 #21642F #213464 #642155
square
#645121 #21642F #213464 #642155
split-complementary
#645121 #215564 #2F2164
monochromatic
#171308 #362C12 #645121 #927630 #C09B40

Accessibility & contrast

On white

7.66
#645121 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#645121 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645121
7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##645121#FFFFFF#000000##FFFFFF
##6451211.007.662.747.66
#FFFFFF7.661.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A501C
Deuteranopia (green-blind)
#5F5523
Tritanopia (blue-blind)
#6C4A46
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #645121;
/* rgb */ color: rgb(100, 81, 33);
/* oklch */ color: oklch(44.4% 0.070 87.6);
Tailwind
colors: {
  custom: {
    50: '#93815e',
    500: '#645121',
    950: '#000000',
  },
}
SCSS
$custom: #645121;
$custom-light: #93815e;
$custom-dark: #000000;
JSON
{
  "hex": "#645121",
  "rgb": {
    "r": 100,
    "g": 81,
    "b": 33
  },
  "hsl": {
    "h": 42.985,
    "s": 50.376,
    "l": 26.078
  },
  "oklch": {
    "l": 0.44387,
    "c": 0.07015,
    "h": 87.6
  },
  "luminance": 0.08704
}

Semantic roles & 50–950 ramp

primary
#645121
secondary
#495F98
accent
#76DA4E
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0A04
muted
#7E7C79

Preview Lab

Preview with #645121

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

Preview Lab → · Contrast checker → · Palette generator →

#645121 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva