#644B15#644B15

#644B15 is a dark, moderate orange. Relative luminance 0.078; OKLCH L 42.9% C 0.077 H 82.8°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#644B15
RGB	rgb(100, 75, 21)
HSL	hsl(41, 65%, 24%)
HSV	hsv(41, 79%, 39%)
CMYK	cmyk(0%, 25%, 79%, 60.8%)
CIE-LAB	lab(33.55, 4.68, 34.51)
CIE-LCH	lch(33.55, 34.83, 82.28°)
OKLab	oklab(42.89% 0.0097 0.0763)
OKLCH	oklch(42.89% 0.077 82.8)
XYZ	xyz(7.9075, 7.7962, 1.7977)
Luminance	0.0780 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B15 #152E64

analogous

#642315 #644B15 #556415

triadic

#644B15 #15644B #4B1564

tetradic

#644B15 #156423 #152E64 #641555

square

#644B15 #156423 #152E64 #641555

split-complementary

#644B15 #155564 #231564

monochromatic

#191305 #31250A #644B15 #977120 #C9972A

Accessibility & contrast

On white

8.21

#644B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#644B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B15

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B15	#FFFFFF	#000000	##FFFFFF
##644B15	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B0D

Deuteranopia (green-blind)

#5B5217

Tritanopia (blue-blind)

#6D4340

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644b15;
/* rgb */ color: rgb(100, 75, 21);
/* oklch */ color: oklch(42.9% 0.077 82.8);

Tailwind

colors: {
  custom: {
    50: '#947d56',
    500: '#644b15',
    950: '#000000',
  },
}

SCSS

$custom: #644b15;
$custom-light: #947d56;
$custom-dark: #000000;

JSON

{
  "hex": "#644b15",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 21
  },
  "hsl": {
    "h": 41.013,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.42892,
    "c": 0.07686,
    "h": 82.8
  },
  "luminance": 0.07796
}

Semantic roles & 50–950 ramp

primary

#644B15

secondary

#3A599B

accent

#75E840

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #644B15

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

Preview Lab → · Contrast checker → · Palette generator →