#644B35#644B35

#644B35 is a dark, muted orange. Relative luminance 0.080; OKLCH L 43.4% C 0.048 H 62.4°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#644B35
RGB	rgb(100, 75, 53)
HSL	hsl(28, 31%, 30%)
HSV	hsv(28, 47%, 39%)
CMYK	cmyk(0%, 25%, 47%, 60.8%)
CIE-LAB	lab(33.98, 7.41, 17.19)
CIE-LCH	lch(33.98, 18.72, 66.68°)
OKLab	oklab(43.36% 0.0222 0.0425)
OKLCH	oklch(43.36% 0.048 62.4)
XYZ	xyz(8.4145, 7.9990, 4.4682)
Luminance	0.0800 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B35 #354E64

analogous

#643537 #644B35 #646235

triadic

#644B35 #35644B #4B3564

tetradic

#644B35 #376435 #354E64 #623564

square

#644B35 #376435 #354E64 #623564

split-complementary

#644B35 #356462 #353764

monochromatic

#140F0B #3C2D20 #644B35 #8C694A #AE8766

Accessibility & contrast

On white

8.08

#644B35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#644B35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B35

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B35	#FFFFFF	#000000	##FFFFFF
##644B35	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D33

Deuteranopia (green-blind)

#595235

Tritanopia (blue-blind)

#6B4645

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644b35;
/* rgb */ color: rgb(100, 75, 53);
/* oklch */ color: oklch(43.4% 0.048 62.4);

Tailwind

colors: {
  custom: {
    50: '#917d6c',
    500: '#644b35',
    950: '#000000',
  },
}

SCSS

$custom: #644b35;
$custom-light: #917d6c;
$custom-dark: #000000;

JSON

{
  "hex": "#644b35",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 53
  },
  "hsl": {
    "h": 28.085,
    "s": 30.719,
    "l": 30
  },
  "oklch": {
    "l": 0.43364,
    "c": 0.04792,
    "h": 62.4
  },
  "luminance": 0.07999
}

Semantic roles & 50–950 ramp

primary

#644B35

secondary

#607C95

accent

#97C761

background

#F9F7F6

surface

#F1EEEB

border

#CBC9C6

text

#0D0907

muted

#7E7B7A

Preview Lab

Preview with #644B35

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

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