#644D21#644D21

#644D21 is a dark, moderate orange. Relative luminance 0.081; OKLCH L 43.5% C 0.068 H 81.5°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#644D21
RGB	rgb(100, 77, 33)
HSL	hsl(39, 50%, 26%)
HSV	hsv(39, 67%, 39%)
CMYK	cmyk(0%, 23%, 67%, 60.8%)
CIE-LAB	lab(34.25, 4.21, 29.22)
CIE-LCH	lch(34.25, 29.52, 81.80°)
OKLab	oklab(43.47% 0.0101 0.0673)
OKLCH	oklch(43.47% 0.068 81.5)
XYZ	xyz(8.1844, 8.1274, 2.5762)
Luminance	0.0813 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D21 #213864

analogous

#642B21 #644D21 #596421

triadic

#644D21 #21644D #4D2164

tetradic

#644D21 #21642B #213864 #642159

square

#644D21 #21642B #213864 #642159

split-complementary

#644D21 #215964 #2B2164

monochromatic

#171208 #362A12 #644D21 #927030 #C09440

Accessibility & contrast

On white

8.00

#644D21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#644D21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D21

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D21	#FFFFFF	#000000	##FFFFFF
##644D21	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D1C

Deuteranopia (green-blind)

#5C5323

Tritanopia (blue-blind)

#6D4643

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644d21;
/* rgb */ color: rgb(100, 77, 33);
/* oklch */ color: oklch(43.5% 0.068 81.5);

Tailwind

colors: {
  custom: {
    50: '#937e5e',
    500: '#644d21',
    950: '#000000',
  },
}

SCSS

$custom: #644d21;
$custom-light: #937e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#644d21",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 33
  },
  "hsl": {
    "h": 39.403,
    "s": 50.376,
    "l": 26.078
  },
  "oklch": {
    "l": 0.43473,
    "c": 0.06807,
    "h": 81.5
  },
  "luminance": 0.08127
}

Semantic roles & 50–950 ramp

primary

#644D21

secondary

#496498

accent

#7EDA4E

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #644D21

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

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