#644B38#644B38

#644B38 is a dark, muted orange. Relative luminance 0.080; OKLCH L 43.4% C 0.045 H 58.4°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#644B38
RGB	rgb(100, 75, 56)
HSL	hsl(26, 28%, 31%)
HSV	hsv(26, 44%, 39%)
CMYK	cmyk(0%, 25%, 44%, 60.8%)
CIE-LAB	lab(34.04, 7.78, 15.41)
CIE-LCH	lch(34.04, 17.27, 63.22°)
OKLab	oklab(43.43% 0.0236 0.0384)
OKLCH	oklch(43.43% 0.045 58.4)
XYZ	xyz(8.4857, 8.0275, 4.8431)
Luminance	0.0803 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B38 #385164

analogous

#64383B #644B38 #646138

triadic

#644B38 #38644B #4B3864

tetradic

#644B38 #3B6438 #385164 #613864

square

#644B38 #3B6438 #385164 #613864

split-complementary

#644B38 #386461 #383B64

monochromatic

#16100C #3D2E22 #644B38 #8B684E #AC876B

Accessibility & contrast

On white

8.06

#644B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#644B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B38

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B38	#FFFFFF	#000000	##FFFFFF
##644B38	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)

#524D37

Deuteranopia (green-blind)

#585238

Tritanopia (blue-blind)

#6B4646

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644b38;
/* rgb */ color: rgb(100, 75, 56);
/* oklch */ color: oklch(43.4% 0.045 58.4);

Tailwind

colors: {
  custom: {
    50: '#917d6e',
    500: '#644b38',
    950: '#000000',
  },
}

SCSS

$custom: #644b38;
$custom-light: #917d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#644b38",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 56
  },
  "hsl": {
    "h": 25.909,
    "s": 28.205,
    "l": 30.588
  },
  "oklch": {
    "l": 0.43429,
    "c": 0.04508,
    "h": 58.4
  },
  "luminance": 0.08027
}

Semantic roles & 50–950 ramp

primary

#644B38

secondary

#637F94

accent

#9BC563

background

#F9F7F6

surface

#F1EEEC

border

#CBC9C7

text

#0D0907

muted

#7E7B7A

Preview Lab

Preview with #644B38

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

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