#645E50#645E50

#645E50 is a mid, muted orange. Relative luminance 0.113; OKLCH L 48.3% C 0.023 H 87.6°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX#645E50
RGBrgb(100, 94, 80)
HSLhsl(42, 11%, 35%)
HSVhsv(42, 20%, 39%)
CMYKcmyk(0%, 6%, 20%, 60.8%)
CIE-LABlab(40.07, -0.21, 8.90)
CIE-LCHlch(40.07, 8.90, 91.38°)
OKLaboklab(48.33% 0.001 0.023)
OKLCHoklch(48.33% 0.023 87.6)
XYZxyz(10.7062, 11.2941, 9.2039)
Luminance0.1129 (WCAG relative)
Temperatureneutral
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#645E50 #505664
analogous
#645450 #645E50 #606450
triadic
#645E50 #50645E #5E5064
tetradic
#645E50 #506454 #505664 #645060
square
#645E50 #506454 #505664 #645060
split-complementary
#645E50 #506064 #545064
monochromatic
#201E1A #423E35 #645E50 #867E6B #A39C8C

Accessibility & contrast

On white

6.44
#645E50 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.26
#645E50 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E50
6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##645E50#FFFFFF#000000##FFFFFF
##645E501.006.443.266.44
#FFFFFF6.441.0021.001.00
#0000003.2621.001.0021.00
##FFFFFF6.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#615D4F
Deuteranopia (green-blind)
#635F50
Tritanopia (blue-blind)
#685C5A
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #645e50;
/* rgb */ color: rgb(100, 94, 80);
/* oklch */ color: oklch(48.3% 0.023 87.6);
Tailwind
colors: {
  custom: {
    50: '#908b81',
    500: '#645e50',
    950: '#000000',
  },
}
SCSS
$custom: #645e50;
$custom-light: #908b81;
$custom-dark: #000000;
JSON
{
  "hex": "#645e50",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 80
  },
  "hsl": {
    "h": 42,
    "s": 11.111,
    "l": 35.294
  },
  "oklch": {
    "l": 0.48333,
    "c": 0.02298,
    "h": 87.6
  },
  "luminance": 0.11294
}

Semantic roles & 50–950 ramp

primary
#645E50
secondary
#7F8491
accent
#87B474
background
#F8F8F7
surface
#F0F0EE
border
#CBCBC9
text
#0C0C0A
muted
#7D7D7C

Preview Lab

Preview with #645E50

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

Preview Lab → · Contrast checker → · Palette generator →

#645E50 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva