#645544#645544

#645544 is a mid, muted orange. Relative luminance 0.096; OKLCH L 46.0% C 0.033 H 70.4°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#645544
RGBrgb(100, 85, 68)
HSLhsl(32, 19%, 33%)
HSVhsv(32, 32%, 39%)
CMYKcmyk(0%, 15%, 32%, 60.8%)
CIE-LABlab(37.16, 3.29, 12.22)
CIE-LCHlch(37.16, 12.65, 74.91°)
OKLaboklab(45.95% 0.0111 0.0311)
OKLCHoklch(45.95% 0.033 70.4)
XYZxyz(9.5476, 9.6240, 6.8224)
Luminance0.0962 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#645544 #445364
analogous
#644544 #645544 #636444
triadic
#645544 #446455 #554464
tetradic
#645544 #446445 #445364 #644463
square
#645544 #446445 #445364 #644463
split-complementary
#645544 #446364 #454464
monochromatic
#1B1712 #40362B #645544 #88745D #A6937C

Accessibility & contrast

On white

7.18
#645544 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.92
#645544 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645544
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##645544#FFFFFF#000000##FFFFFF
##6455441.007.182.927.18
#FFFFFF7.181.0021.001.00
#0000002.9221.001.0021.00
##FFFFFF7.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A5543
Deuteranopia (green-blind)
#5E5944
Tritanopia (blue-blind)
#6A5150
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #645544;
/* rgb */ color: rgb(100, 85, 68);
/* oklch */ color: oklch(46.0% 0.033 70.4);
Tailwind
colors: {
  custom: {
    50: '#908478',
    500: '#645544',
    950: '#000000',
  },
}
SCSS
$custom: #645544;
$custom-light: #908478;
$custom-dark: #000000;
JSON
{
  "hex": "#645544",
  "rgb": {
    "r": 100,
    "g": 85,
    "b": 68
  },
  "hsl": {
    "h": 31.875,
    "s": 19.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.45952,
    "c": 0.03297,
    "h": 70.4
  },
  "luminance": 0.09624
}

Semantic roles & 50–950 ramp

primary
#645544
secondary
#718193
accent
#91BC6C
background
#F8F8F7
surface
#F0EFED
border
#CBCAC8
text
#0C0B08
muted
#7D7C7B

Preview Lab

Preview with #645544

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

Preview Lab → · Contrast checker → · Palette generator →

#645544 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva