#644C27#644C27

#644C27 is a dark, moderate orange. Relative luminance 0.080; OKLCH L 43.3% C 0.062 H 76.7°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#644C27
RGB	rgb(100, 76, 39)
HSL	hsl(36, 44%, 27%)
HSV	hsv(36, 61%, 39%)
CMYK	cmyk(0%, 24%, 61%, 60.8%)
CIE-LAB	lab(34.04, 5.32, 25.62)
CIE-LCH	lch(34.04, 26.17, 78.26°)
OKLab	oklab(43.33% 0.0143 0.0604)
OKLCH	oklch(43.33% 0.062 76.7)
XYZ	xyz(8.2066, 8.0252, 3.0358)
Luminance	0.0803 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C27 #273F64

analogous

#642D27 #644C27 #5E6427

triadic

#644C27 #27644C #4C2764

tetradic

#644C27 #27642D #273F64 #64275E

square

#644C27 #27642D #273F64 #64275E

split-complementary

#644C27 #275E64 #2D2764

monochromatic

#161109 #382B16 #644C27 #906D38 #B98E4C

Accessibility & contrast

On white

8.06

#644C27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#644C27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C27

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C27	#FFFFFF	#000000	##FFFFFF
##644C27	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D24

Deuteranopia (green-blind)

#5B5228

Tritanopia (blue-blind)

#6C4543

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644c27;
/* rgb */ color: rgb(100, 76, 39);
/* oklch */ color: oklch(43.3% 0.062 76.7);

Tailwind

colors: {
  custom: {
    50: '#927d62',
    500: '#644c27',
    950: '#000000',
  },
}

SCSS

$custom: #644c27;
$custom-light: #927d62;
$custom-dark: #000000;

JSON

{
  "hex": "#644c27",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 39
  },
  "hsl": {
    "h": 36.393,
    "s": 43.885,
    "l": 27.255
  },
  "oklch": {
    "l": 0.43331,
    "c": 0.06202,
    "h": 76.7
  },
  "luminance": 0.08025
}

Semantic roles & 50–950 ramp

primary

#644C27

secondary

#506C97

accent

#86D454

background

#F9F7F5

surface

#F1EEEA

border

#CBC9C6

text

#0D0905

muted

#7E7B79

Preview Lab

Preview with #644C27

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

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