#645E4E#645E4E

#645E4E is a mid, muted orange. Relative luminance 0.113; OKLCH L 48.3% C 0.026 H 89.9°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#645E4E
RGB	rgb(100, 94, 78)
HSL	hsl(44, 12%, 35%)
HSV	hsv(44, 22%, 39%)
CMYK	cmyk(0%, 6%, 22%, 60.8%)
CIE-LAB	lab(40.02, -0.55, 10.05)
CIE-LCH	lch(40.02, 10.07, 93.16°)
OKLab	oklab(48.28% 0 0.0258)
OKLCH	oklch(48.28% 0.026 89.9)
XYZ	xyz(10.6334, 11.2650, 8.8205)
Luminance	0.1127 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645E4E #4E5464

analogous

#64534E #645E4E #5F644E

triadic

#645E4E #4E645E #5E4E64

tetradic

#645E4E #4E6453 #4E5464 #644E5F

square

#645E4E #4E6453 #4E5464 #644E5F

split-complementary

#645E4E #4E5F64 #534E64

monochromatic

#1F1D18 #423E33 #645E4E #867E69 #A39C89

Accessibility & contrast

On white

6.46

#645E4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#645E4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E4E

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645E4E	#FFFFFF	#000000	##FFFFFF
##645E4E	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625D4D

Deuteranopia (green-blind)

#635F4E

Tritanopia (blue-blind)

#685B5A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #645e4e;
/* rgb */ color: rgb(100, 94, 78);
/* oklch */ color: oklch(48.3% 0.026 89.9);

Tailwind

colors: {
  custom: {
    50: '#908b7f',
    500: '#645e4e',
    950: '#000000',
  },
}

SCSS

$custom: #645e4e;
$custom-light: #908b7f;
$custom-dark: #000000;

JSON

{
  "hex": "#645e4e",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 78
  },
  "hsl": {
    "h": 43.636,
    "s": 12.36,
    "l": 34.902
  },
  "oklch": {
    "l": 0.48279,
    "c": 0.02582,
    "h": 89.9
  },
  "luminance": 0.11265
}

Semantic roles & 50–950 ramp

primary

#645E4E

secondary

#7D8291

accent

#85B573

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0C0C0A

muted

#7D7D7C

Preview Lab

Preview with #645E4E

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

Preview Lab → · Contrast checker → · Palette generator →