#645A52#645A52

#645A52 is a mid, near-neutral orange. Relative luminance 0.106; OKLCH L 47.5% C 0.018 H 61.0°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#645A52
RGB	rgb(100, 90, 82)
HSL	hsl(27, 10%, 36%)
HSV	hsv(27, 18%, 39%)
CMYK	cmyk(0%, 10%, 18%, 60.8%)
CIE-LAB	lab(38.95, 2.55, 6.09)
CIE-LCH	lch(38.95, 6.60, 67.27°)
OKLab	oklab(47.47% 0.0088 0.0159)
OKLCH	oklch(47.47% 0.018 61)
XYZ	xyz(10.4346, 10.6311, 9.4833)
Luminance	0.1063 (WCAG relative)
Temperature	neutral
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645A52 #525C64

analogous

#645253 #645A52 #646352

triadic

#645A52 #52645A #5A5264

tetradic

#645A52 #536452 #525C64 #635264

square

#645A52 #536452 #525C64 #635264

split-complementary

#645A52 #526463 #525364

monochromatic

#211D1B #423C36 #645A52 #86786E #A2978E

Accessibility & contrast

On white

6.72

#645A52 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#645A52 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A52

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645A52	#FFFFFF	#000000	##FFFFFF
##645A52	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5A52

Deuteranopia (green-blind)

#5F5D52

Tritanopia (blue-blind)

#685858

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #645a52;
/* rgb */ color: rgb(100, 90, 82);
/* oklch */ color: oklch(47.5% 0.018 61.0);

Tailwind

colors: {
  custom: {
    50: '#908882',
    500: '#645a52',
    950: '#000000',
  },
}

SCSS

$custom: #645a52;
$custom-light: #908882;
$custom-dark: #000000;

JSON

{
  "hex": "#645a52",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 82
  },
  "hsl": {
    "h": 26.667,
    "s": 9.89,
    "l": 35.686
  },
  "oklch": {
    "l": 0.4747,
    "c": 0.01815,
    "h": 61
  },
  "luminance": 0.10631
}

Semantic roles & 50–950 ramp

primary

#645A52

secondary

#818A91

accent

#97B375

background

#F8F8F7

surface

#F0EFEE

border

#CBCAC9

text

#0C0B0A

muted

#7D7C7C

Preview Lab

Preview with #645A52

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

Preview Lab → · Contrast checker → · Palette generator →