#645320#645320

#645320 is a dark, moderate yellow. Relative luminance 0.090; OKLCH L 44.8% C 0.072 H 90.7°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#645320
RGB	rgb(100, 83, 32)
HSL	hsl(45, 52%, 26%)
HSV	hsv(45, 68%, 39%)
CMYK	cmyk(0%, 17%, 68%, 60.8%)
CIE-LAB	lab(35.99, 0.48, 31.67)
CIE-LCH	lch(35.99, 31.67, 89.13°)
OKLab	oklab(44.84% -0.0009 0.0724)
OKLCH	oklch(44.84% 0.072 90.7)
XYZ	xyz(8.6099, 9.0006, 2.6500)
Luminance	0.0900 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645320 #203164

analogous

#643120 #645320 #536420

triadic

#645320 #206453 #532064

tetradic

#645320 #206431 #203164 #642053

square

#645320 #206431 #203164 #642053

split-complementary

#645320 #205364 #312064

monochromatic

#171307 #362D11 #645320 #92792F #C1A03E

Accessibility & contrast

On white

7.50

#645320 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#645320 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645320

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645320	#FFFFFF	#000000	##FFFFFF
##645320	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C521A

Deuteranopia (green-blind)

#605722

Tritanopia (blue-blind)

#6C4C48

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #645320;
/* rgb */ color: rgb(100, 83, 32);
/* oklch */ color: oklch(44.8% 0.072 90.7);

Tailwind

colors: {
  custom: {
    50: '#93835e',
    500: '#645320',
    950: '#000000',
  },
}

SCSS

$custom: #645320;
$custom-light: #93835e;
$custom-dark: #000000;

JSON

{
  "hex": "#645320",
  "rgb": {
    "r": 100,
    "g": 83,
    "b": 32
  },
  "hsl": {
    "h": 45,
    "s": 51.515,
    "l": 25.882
  },
  "oklch": {
    "l": 0.44837,
    "c": 0.07241,
    "h": 90.7
  },
  "luminance": 0.09
}

Semantic roles & 50–950 ramp

primary

#645320

secondary

#485C98

accent

#70DB4D

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #645320

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

Preview Lab → · Contrast checker → · Palette generator →