#645C48#645C48

#645C48 is a mid, muted orange. Relative luminance 0.108; OKLCH L 47.7% C 0.032 H 88.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#645C48
RGB	rgb(100, 92, 72)
HSL	hsl(43, 16%, 34%)
HSV	hsv(43, 28%, 39%)
CMYK	cmyk(0%, 8%, 28%, 60.8%)
CIE-LAB	lab(39.30, -0.33, 12.70)
CIE-LCH	lch(39.30, 12.71, 91.50°)
OKLab	oklab(47.66% 0.0007 0.0323)
OKLCH	oklch(47.66% 0.032 88.8)
XYZ	xyz(10.2524, 10.8318, 7.6803)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645C48 #485064

analogous

#644E48 #645C48 #5E6448

triadic

#645C48 #48645C #5C4864

tetradic

#645C48 #48644E #485064 #64485E

square

#645C48 #48644E #485064 #64485E

split-complementary

#645C48 #485E64 #4E4864

monochromatic

#1D1B15 #403B2E #645C48 #887D62 #A59B82

Accessibility & contrast

On white

6.63

#645C48 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#645C48 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645C48

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645C48	#FFFFFF	#000000	##FFFFFF
##645C48	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615B47

Deuteranopia (green-blind)

#635E49

Tritanopia (blue-blind)

#695957

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #645c48;
/* rgb */ color: rgb(100, 92, 72);
/* oklch */ color: oklch(47.7% 0.032 88.8);

Tailwind

colors: {
  custom: {
    50: '#908a7b',
    500: '#645c48',
    950: '#000000',
  },
}

SCSS

$custom: #645c48;
$custom-light: #908a7b;
$custom-dark: #000000;

JSON

{
  "hex": "#645c48",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 72
  },
  "hsl": {
    "h": 42.857,
    "s": 16.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.4766,
    "c": 0.03229,
    "h": 88.8
  },
  "luminance": 0.10831
}

Semantic roles & 50–950 ramp

primary

#645C48

secondary

#767E92

accent

#84B96F

background

#F8F8F7

surface

#F0F0ED

border

#CBCBC8

text

#0C0B09

muted

#7D7C7B

Preview Lab

Preview with #645C48

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

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