#644B2B#644B2B

#644B2B is a dark, muted orange. Relative luminance 0.079; OKLCH L 43.2% C 0.058 H 72.1°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#644B2B
RGB	rgb(100, 75, 43)
HSL	hsl(34, 40%, 28%)
HSV	hsv(34, 57%, 39%)
CMYK	cmyk(0%, 25%, 57%, 60.8%)
CIE-LAB	lab(33.81, 6.32, 23.02)
CIE-LCH	lch(33.81, 23.87, 74.65°)
OKLab	oklab(43.17% 0.0177 0.055)
OKLCH	oklch(43.17% 0.058 72.1)
XYZ	xyz(8.2081, 7.9164, 3.3807)
Luminance	0.0792 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B2B #2B4464

analogous

#642E2B #644B2B #60642B

triadic

#644B2B #2B644B #4B2B64

tetradic

#644B2B #2B642E #2B4464 #642B60

square

#644B2B #2B642E #2B4464 #642B60

split-complementary

#644B2B #2B6064 #2E2B64

monochromatic

#151009 #392B19 #644B2B #8F6B3D #B58B54

Accessibility & contrast

On white

8.13

#644B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#644B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B2B

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B2B	#FFFFFF	#000000	##FFFFFF
##644B2B	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)

#544C28

Deuteranopia (green-blind)

#5A522C

Tritanopia (blue-blind)

#6C4543

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644b2b;
/* rgb */ color: rgb(100, 75, 43);
/* oklch */ color: oklch(43.2% 0.058 72.1);

Tailwind

colors: {
  custom: {
    50: '#927d65',
    500: '#644b2b',
    950: '#000000',
  },
}

SCSS

$custom: #644b2b;
$custom-light: #927d65;
$custom-dark: #000000;

JSON

{
  "hex": "#644b2b",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 43
  },
  "hsl": {
    "h": 33.684,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.43173,
    "c": 0.05782,
    "h": 72.1
  },
  "luminance": 0.07916
}

Semantic roles & 50–950 ramp

primary

#644B2B

secondary

#557196

accent

#8DD058

background

#F9F7F6

surface

#F1EEEB

border

#CBC9C6

text

#0D0905

muted

#7E7B7A

Preview Lab

Preview with #644B2B

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

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