#645D4E#645D4E

#645D4E is a mid, muted orange. Relative luminance 0.111; OKLCH L 48.0% C 0.025 H 85.9°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#645D4E
RGB	rgb(100, 93, 78)
HSL	hsl(41, 12%, 35%)
HSV	hsv(41, 22%, 39%)
CMYK	cmyk(0%, 7%, 22%, 60.8%)
CIE-LAB	lab(39.73, 0.04, 9.64)
CIE-LCH	lch(39.73, 9.64, 89.73°)
OKLab	oklab(48.05% 0.0018 0.0248)
OKLCH	oklch(48.05% 0.025 85.9)
XYZ	xyz(10.5450, 11.0883, 8.7910)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645D4E #4E5564

analogous

#64524E #645D4E #60644E

triadic

#645D4E #4E645D #5D4E64

tetradic

#645D4E #4E6452 #4E5564 #644E60

square

#645D4E #4E6452 #4E5564 #644E60

split-complementary

#645D4E #4E6064 #524E64

monochromatic

#1F1D18 #423D33 #645D4E #867D69 #A39B89

Accessibility & contrast

On white

6.53

#645D4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#645D4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645D4E

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645D4E	#FFFFFF	#000000	##FFFFFF
##645D4E	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615C4D

Deuteranopia (green-blind)

#635E4E

Tritanopia (blue-blind)

#685A59

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #645d4e;
/* rgb */ color: rgb(100, 93, 78);
/* oklch */ color: oklch(48.0% 0.025 85.9);

Tailwind

colors: {
  custom: {
    50: '#908a7f',
    500: '#645d4e',
    950: '#000000',
  },
}

SCSS

$custom: #645d4e;
$custom-light: #908a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#645d4e",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 78
  },
  "hsl": {
    "h": 40.909,
    "s": 12.36,
    "l": 34.902
  },
  "oklch": {
    "l": 0.48047,
    "c": 0.02486,
    "h": 85.9
  },
  "luminance": 0.11088
}

Semantic roles & 50–950 ramp

primary

#645D4E

secondary

#7D8391

accent

#88B573

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0C0B0A

muted

#7D7C7C

Preview Lab

Preview with #645D4E

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

Preview Lab → · Contrast checker → · Palette generator →