#645A50#645A50

#645A50 is a mid, muted orange. Relative luminance 0.106; OKLCH L 47.4% C 0.020 H 67.3°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX#645A50
RGBrgb(100, 90, 80)
HSLhsl(30, 11%, 35%)
HSVhsv(30, 20%, 39%)
CMYKcmyk(0%, 10%, 20%, 60.8%)
CIE-LABlab(38.90, 2.20, 7.25)
CIE-LCHlch(38.90, 7.58, 73.13°)
OKLaboklab(47.41% 0.0079 0.0188)
OKLCHoklch(47.41% 0.02 67.3)
XYZxyz(10.3596, 10.6011, 9.0883)
Luminance0.1060 (WCAG relative)
Temperatureneutral
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#645A50 #505A64
analogous
#645050 #645A50 #646450
triadic
#645A50 #50645A #5A5064
tetradic
#645A50 #506450 #505A64 #645064
square
#645A50 #506450 #505A64 #645064
split-complementary
#645A50 #506464 #505064
monochromatic
#201D1A #423B35 #645A50 #86796B #A3978C

Accessibility & contrast

On white

6.73
#645A50 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#645A50 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A50
6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##645A50#FFFFFF#000000##FFFFFF
##645A501.006.733.126.73
#FFFFFF6.731.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D5A4F
Deuteranopia (green-blind)
#605D50
Tritanopia (blue-blind)
#685857
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #645a50;
/* rgb */ color: rgb(100, 90, 80);
/* oklch */ color: oklch(47.4% 0.020 67.3);
Tailwind
colors: {
  custom: {
    50: '#908881',
    500: '#645a50',
    950: '#000000',
  },
}
SCSS
$custom: #645a50;
$custom-light: #908881;
$custom-dark: #000000;
JSON
{
  "hex": "#645a50",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 80
  },
  "hsl": {
    "h": 30,
    "s": 11.111,
    "l": 35.294
  },
  "oklch": {
    "l": 0.47412,
    "c": 0.02039,
    "h": 67.3
  },
  "luminance": 0.10601
}

Semantic roles & 50–950 ramp

primary
#645A50
secondary
#7F8891
accent
#94B474
background
#F8F8F7
surface
#F0EFEE
border
#CBCAC9
text
#0C0B0A
muted
#7D7C7C

Preview Lab

Preview with #645A50

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

Preview Lab → · Contrast checker → · Palette generator →

#645A50 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva