#645C52#645C52

#645C52 is a mid, near-neutral orange. Relative luminance 0.110; OKLCH L 47.9% C 0.019 H 73.5°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#645C52
RGB	rgb(100, 92, 82)
HSL	hsl(33, 10%, 36%)
HSV	hsv(33, 18%, 39%)
CMYK	cmyk(0%, 8%, 18%, 60.8%)
CIE-LAB	lab(39.53, 1.34, 6.92)
CIE-LCH	lch(39.53, 7.05, 79.04°)
OKLab	oklab(47.93% 0.0053 0.018)
OKLCH	oklch(47.93% 0.019 73.5)
XYZ	xyz(10.6056, 10.9730, 9.5403)
Luminance	0.1097 (WCAG relative)
Temperature	neutral
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645C52 #525A64

analogous

#645352 #645C52 #636452

triadic

#645C52 #52645C #5C5264

tetradic

#645C52 #526453 #525A64 #645263

square

#645C52 #526453 #525A64 #645263

split-complementary

#645C52 #526364 #535264

monochromatic

#211E1B #423D36 #645C52 #867B6E #A2998E

Accessibility & contrast

On white

6.57

#645C52 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#645C52 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645C52

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645C52	#FFFFFF	#000000	##FFFFFF
##645C52	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5C51

Deuteranopia (green-blind)

#615E52

Tritanopia (blue-blind)

#675A59

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #645c52;
/* rgb */ color: rgb(100, 92, 82);
/* oklch */ color: oklch(47.9% 0.019 73.5);

Tailwind

colors: {
  custom: {
    50: '#908a82',
    500: '#645c52',
    950: '#000000',
  },
}

SCSS

$custom: #645c52;
$custom-light: #908a82;
$custom-dark: #000000;

JSON

{
  "hex": "#645c52",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 82
  },
  "hsl": {
    "h": 33.333,
    "s": 9.89,
    "l": 35.686
  },
  "oklch": {
    "l": 0.47927,
    "c": 0.01875,
    "h": 73.5
  },
  "luminance": 0.10973
}

Semantic roles & 50–950 ramp

primary

#645C52

secondary

#818891

accent

#90B375

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0C0B0A

muted

#7D7C7C

Preview Lab

Preview with #645C52

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

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