#644B10#644B10

#644B10 is a dark, moderate orange. Relative luminance 0.078; OKLCH L 42.9% C 0.080 H 84.0°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#644B10
RGB	rgb(100, 75, 16)
HSL	hsl(42, 72%, 23%)
HSV	hsv(42, 84%, 39%)
CMYK	cmyk(0%, 25%, 84%, 60.8%)
CIE-LAB	lab(33.52, 4.44, 36.62)
CIE-LCH	lch(33.52, 36.89, 83.08°)
OKLab	oklab(42.85% 0.0084 0.0796)
OKLCH	oklch(42.85% 0.08 84)
XYZ	xyz(7.8657, 7.7795, 1.5774)
Luminance	0.0778 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B10 #102964

analogous

#642110 #644B10 #536410

triadic

#644B10 #10644B #4B1064

tetradic

#644B10 #106421 #102964 #641053

square

#644B10 #106421 #102964 #641053

split-complementary

#644B10 #105364 #211064

monochromatic

#1A1404 #2F2308 #644B10 #997318 #CE9A21

Accessibility & contrast

On white

8.22

#644B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#644B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B10

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B10	#FFFFFF	#000000	##FFFFFF
##644B10	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564B05

Deuteranopia (green-blind)

#5C5113

Tritanopia (blue-blind)

#6D4340

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644b10;
/* rgb */ color: rgb(100, 75, 16);
/* oklch */ color: oklch(42.9% 0.080 84.0);

Tailwind

colors: {
  custom: {
    50: '#947d54',
    500: '#644b10',
    950: '#000000',
  },
}

SCSS

$custom: #644b10;
$custom-light: #947d54;
$custom-dark: #000000;

JSON

{
  "hex": "#644b10",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 16
  },
  "hsl": {
    "h": 42.143,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.42853,
    "c": 0.08,
    "h": 84
  },
  "luminance": 0.07779
}

Semantic roles & 50–950 ramp

primary

#644B10

secondary

#33539D

accent

#6FEF39

background

#F9F7F5

surface

#F2EEE8

border

#CCC9C4

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #644B10

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

Preview Lab → · Contrast checker → · Palette generator →