#644C0F#644C0F

#644C0F is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.1% C 0.081 H 85.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#644C0F
RGB	rgb(100, 76, 15)
HSL	hsl(43, 74%, 23%)
HSV	hsv(43, 85%, 39%)
CMYK	cmyk(0%, 24%, 85%, 60.8%)
CIE-LAB	lab(33.80, 3.79, 37.27)
CIE-LCH	lch(33.80, 37.46, 84.20°)
OKLab	oklab(43.07% 0.0064 0.0807)
OKLCH	oklch(43.07% 0.081 85.5)
XYZ	xyz(7.9267, 7.9133, 1.5618)
Luminance	0.0791 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C0F #0F2764

analogous

#64220F #644C0F #51640F

triadic

#644C0F #0F644C #4C0F64

tetradic

#644C0F #0F6422 #0F2764 #640F51

square

#644C0F #0F6422 #0F2764 #640F51

split-complementary

#644C0F #0F5164 #220F64

monochromatic

#1B1404 #2F2407 #644C0F #997417 #CE9D1F

Accessibility & contrast

On white

8.13

#644C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#644C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C0F

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C0F	#FFFFFF	#000000	##FFFFFF
##644C0F	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574C03

Deuteranopia (green-blind)

#5C5212

Tritanopia (blue-blind)

#6D4440

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644c0f;
/* rgb */ color: rgb(100, 76, 15);
/* oklch */ color: oklch(43.1% 0.081 85.5);

Tailwind

colors: {
  custom: {
    50: '#947d53',
    500: '#644c0f',
    950: '#000000',
  },
}

SCSS

$custom: #644c0f;
$custom-light: #947d53;
$custom-dark: #000000;

JSON

{
  "hex": "#644c0f",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 15
  },
  "hsl": {
    "h": 43.059,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43073,
    "c": 0.08096,
    "h": 85.5
  },
  "luminance": 0.07913
}

Semantic roles & 50–950 ramp

primary

#644C0F

secondary

#32509D

accent

#6CF137

background

#F9F7F4

surface

#F2EEE8

border

#CCC9C4

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #644C0F

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

Preview Lab → · Contrast checker → · Palette generator →