#644B1E#644B1E

#644B1E is a dark, moderate orange. Relative luminance 0.078; OKLCH L 43.0% C 0.070 H 79.6°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#644B1E
RGB	rgb(100, 75, 30)
HSL	hsl(39, 54%, 25%)
HSV	hsv(39, 70%, 39%)
CMYK	cmyk(0%, 25%, 70%, 60.8%)
CIE-LAB	lab(33.64, 5.22, 30.15)
CIE-LCH	lch(33.64, 30.60, 80.17°)
OKLab	oklab(42.99% 0.0126 0.0688)
OKLCH	oklch(42.99% 0.07 79.6)
XYZ	xyz(8.0064, 7.8358, 2.3188)
Luminance	0.0784 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B1E #1E3764

analogous

#64281E #644B1E #5A641E

triadic

#644B1E #1E644B #4B1E64

tetradic

#644B1E #1E6428 #1E3764 #641E5A

square

#644B1E #1E6428 #1E3764 #641E5A

split-complementary

#644B1E #1E5A64 #281E64

monochromatic

#181207 #352810 #644B1E #936E2C #C2923A

Accessibility & contrast

On white

8.18

#644B1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#644B1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B1E

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B1E	#FFFFFF	#000000	##FFFFFF
##644B1E	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B19

Deuteranopia (green-blind)

#5B5220

Tritanopia (blue-blind)

#6D4441

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644b1e;
/* rgb */ color: rgb(100, 75, 30);
/* oklch */ color: oklch(43.0% 0.070 79.6);

Tailwind

colors: {
  custom: {
    50: '#937d5c',
    500: '#644b1e',
    950: '#000000',
  },
}

SCSS

$custom: #644b1e;
$custom-light: #937d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#644b1e",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 30
  },
  "hsl": {
    "h": 38.571,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.42985,
    "c": 0.06995,
    "h": 79.6
  },
  "luminance": 0.07835
}

Semantic roles & 50–950 ramp

primary

#644B1E

secondary

#456399

accent

#7FDD4B

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0904

muted

#7E7B79

Preview Lab

Preview with #644B1E

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

Preview Lab → · Contrast checker → · Palette generator →