#644B0F#644B0F

#644B0F is a dark, moderate orange. Relative luminance 0.078; OKLCH L 42.8% C 0.081 H 84.2°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#644B0F
RGB	rgb(100, 75, 15)
HSL	hsl(42, 74%, 23%)
HSV	hsv(42, 85%, 39%)
CMYK	cmyk(0%, 25%, 85%, 60.8%)
CIE-LAB	lab(33.51, 4.40, 37.01)
CIE-LCH	lch(33.51, 37.27, 83.21°)
OKLab	oklab(42.85% 0.0082 0.0802)
OKLCH	oklch(42.85% 0.081 84.2)
XYZ	xyz(7.8584, 7.7765, 1.5390)
Luminance	0.0778 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B0F #0F2864

analogous

#64210F #644B0F #52640F

triadic

#644B0F #0F644B #4B0F64

tetradic

#644B0F #0F6421 #0F2864 #640F52

square

#644B0F #0F6421 #0F2864 #640F52

split-complementary

#644B0F #0F5264 #210F64

monochromatic

#1B1404 #2F2307 #644B0F #997317 #CE9B1F

Accessibility & contrast

On white

8.22

#644B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#644B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B0F

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B0F	#FFFFFF	#000000	##FFFFFF
##644B0F	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)

#564B04

Deuteranopia (green-blind)

#5C5112

Tritanopia (blue-blind)

#6D4340

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644b0f;
/* rgb */ color: rgb(100, 75, 15);
/* oklch */ color: oklch(42.8% 0.081 84.2);

Tailwind

colors: {
  custom: {
    50: '#947d53',
    500: '#644b0f',
    950: '#000000',
  },
}

SCSS

$custom: #644b0f;
$custom-light: #947d53;
$custom-dark: #000000;

JSON

{
  "hex": "#644b0f",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 15
  },
  "hsl": {
    "h": 42.353,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.42846,
    "c": 0.08056,
    "h": 84.2
  },
  "luminance": 0.07776
}

Semantic roles & 50–950 ramp

primary

#644B0F

secondary

#32519D

accent

#6EF137

background

#F9F7F4

surface

#F2EEE7

border

#CCC9C3

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #644B0F

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

Preview Lab → · Contrast checker → · Palette generator →