#644B36#644B36

#644B36 is a dark, muted orange. Relative luminance 0.080; OKLCH L 43.4% C 0.047 H 61.1°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#644B36
RGB	rgb(100, 75, 54)
HSL	hsl(27, 30%, 30%)
HSV	hsv(27, 46%, 39%)
CMYK	cmyk(0%, 25%, 46%, 60.8%)
CIE-LAB	lab(34.00, 7.53, 16.60)
CIE-LCH	lch(34.00, 18.23, 65.59°)
OKLab	oklab(43.39% 0.0227 0.0411)
OKLCH	oklch(43.39% 0.047 61.1)
XYZ	xyz(8.4378, 8.0083, 4.5906)
Luminance	0.0801 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B36 #364F64

analogous

#643638 #644B36 #646236

triadic

#644B36 #36644B #4B3664

tetradic

#644B36 #386436 #364F64 #623664

square

#644B36 #386436 #364F64 #623664

split-complementary

#644B36 #366462 #363864

monochromatic

#150F0B #3C2D21 #644B36 #8C694B #AD8767

Accessibility & contrast

On white

8.07

#644B36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#644B36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B36

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B36	#FFFFFF	#000000	##FFFFFF
##644B36	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D34

Deuteranopia (green-blind)

#595236

Tritanopia (blue-blind)

#6B4646

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644b36;
/* rgb */ color: rgb(100, 75, 54);
/* oklch */ color: oklch(43.4% 0.047 61.1);

Tailwind

colors: {
  custom: {
    50: '#917d6d',
    500: '#644b36',
    950: '#000000',
  },
}

SCSS

$custom: #644b36;
$custom-light: #917d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#644b36",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 54
  },
  "hsl": {
    "h": 27.391,
    "s": 29.87,
    "l": 30.196
  },
  "oklch": {
    "l": 0.43385,
    "c": 0.04696,
    "h": 61.1
  },
  "luminance": 0.08008
}

Semantic roles & 50–950 ramp

primary

#644B36

secondary

#617D95

accent

#98C662

background

#F9F7F6

surface

#F1EEEB

border

#CBC9C6

text

#0D0907

muted

#7E7B7A

Preview Lab

Preview with #644B36

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

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