#645C4E#645C4E

#645C4E is a mid, muted orange. Relative luminance 0.109; OKLCH L 47.8% C 0.024 H 81.7°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#645C4E
RGB	rgb(100, 92, 78)
HSL	hsl(38, 12%, 35%)
HSV	hsv(38, 22%, 39%)
CMYK	cmyk(0%, 8%, 22%, 60.8%)
CIE-LAB	lab(39.44, 0.65, 9.23)
CIE-LCH	lch(39.44, 9.25, 85.99°)
OKLab	oklab(47.82% 0.0035 0.0238)
OKLCH	oklch(47.82% 0.024 81.7)
XYZ	xyz(10.4578, 10.9139, 8.7619)
Luminance	0.1091 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645C4E #4E5664

analogous

#64514E #645C4E #61644E

triadic

#645C4E #4E645C #5C4E64

tetradic

#645C4E #4E6451 #4E5664 #644E61

square

#645C4E #4E6451 #4E5664 #644E61

split-complementary

#645C4E #4E6164 #514E64

monochromatic

#1F1D18 #423C33 #645C4E #867C69 #A39A89

Accessibility & contrast

On white

6.60

#645C4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#645C4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645C4E

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645C4E	#FFFFFF	#000000	##FFFFFF
##645C4E	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605C4D

Deuteranopia (green-blind)

#625E4E

Tritanopia (blue-blind)

#685958

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #645c4e;
/* rgb */ color: rgb(100, 92, 78);
/* oklch */ color: oklch(47.8% 0.024 81.7);

Tailwind

colors: {
  custom: {
    50: '#908a7f',
    500: '#645c4e',
    950: '#000000',
  },
}

SCSS

$custom: #645c4e;
$custom-light: #908a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#645c4e",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 78
  },
  "hsl": {
    "h": 38.182,
    "s": 12.36,
    "l": 34.902
  },
  "oklch": {
    "l": 0.47816,
    "c": 0.02403,
    "h": 81.7
  },
  "luminance": 0.10914
}

Semantic roles & 50–950 ramp

primary

#645C4E

secondary

#7D8491

accent

#8BB573

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0C0B0A

muted

#7D7C7C

Preview Lab

Preview with #645C4E

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

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