#644D43#644D43

#644D43 is a dark, muted orange. Relative luminance 0.084; OKLCH L 44.1% C 0.035 H 44.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#644D43
RGB	rgb(100, 77, 67)
HSL	hsl(18, 20%, 33%)
HSV	hsv(18, 33%, 39%)
CMYK	cmyk(0%, 23%, 33%, 60.8%)
CIE-LAB	lab(34.85, 8.07, 9.65)
CIE-LCH	lch(34.85, 12.57, 50.09°)
OKLab	oklab(44.14% 0.025 0.0247)
OKLCH	oklch(44.14% 0.035 44.7)
XYZ	xyz(8.9227, 8.4228, 6.4649)
Luminance	0.0842 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D43 #435A64

analogous

#644349 #644D43 #645D43

triadic

#644D43 #43644D #4D4364

tetradic

#644D43 #496443 #435A64 #5D4364

square

#644D43 #496443 #435A64 #5D4364

split-complementary

#644D43 #43645D #434964

monochromatic

#1B1512 #3F312A #644D43 #89695C #A6887B

Accessibility & contrast

On white

7.82

#644D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#644D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D43

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D43	#FFFFFF	#000000	##FFFFFF
##644D43	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534F42

Deuteranopia (green-blind)

#585443

Tritanopia (blue-blind)

#6A494A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644d43;
/* rgb */ color: rgb(100, 77, 67);
/* oklch */ color: oklch(44.1% 0.035 44.7);

Tailwind

colors: {
  custom: {
    50: '#917e77',
    500: '#644d43',
    950: '#000000',
  },
}

SCSS

$custom: #644d43;
$custom-light: #917e77;
$custom-dark: #000000;

JSON

{
  "hex": "#644d43",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 67
  },
  "hsl": {
    "h": 18.182,
    "s": 19.76,
    "l": 32.745
  },
  "oklch": {
    "l": 0.44139,
    "c": 0.03519,
    "h": 44.7
  },
  "luminance": 0.08422
}

Semantic roles & 50–950 ramp

primary

#644D43

secondary

#708893

accent

#A4BC6B

background

#F8F7F7

surface

#F0EEED

border

#CBC9C8

text

#0D0A08

muted

#7D7C7B

Preview Lab

Preview with #644D43

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

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