#645A4E#645A4E

#645A4E is a mid, muted orange. Relative luminance 0.106; OKLCH L 47.4% C 0.023 H 72.3°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#645A4E
RGB	rgb(100, 90, 78)
HSL	hsl(33, 12%, 35%)
HSV	hsv(33, 22%, 39%)
CMYK	cmyk(0%, 10%, 22%, 60.8%)
CIE-LAB	lab(38.85, 1.86, 8.41)
CIE-LCH	lch(38.85, 8.61, 77.56°)
OKLab	oklab(47.36% 0.0069 0.0217)
OKLCH	oklch(47.36% 0.023 72.3)
XYZ	xyz(10.2868, 10.5720, 8.7050)
Luminance	0.1057 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645A4E #4E5864

analogous

#644F4E #645A4E #63644E

triadic

#645A4E #4E645A #5A4E64

tetradic

#645A4E #4E644F #4E5864 #644E63

square

#645A4E #4E644F #4E5864 #644E63

split-complementary

#645A4E #4E6364 #4F4E64

monochromatic

#1F1C18 #423B33 #645A4E #867969 #A39789

Accessibility & contrast

On white

6.74

#645A4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#645A4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A4E

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645A4E	#FFFFFF	#000000	##FFFFFF
##645A4E	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5A4D

Deuteranopia (green-blind)

#605C4E

Tritanopia (blue-blind)

#685757

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #645a4e;
/* rgb */ color: rgb(100, 90, 78);
/* oklch */ color: oklch(47.4% 0.023 72.3);

Tailwind

colors: {
  custom: {
    50: '#90887f',
    500: '#645a4e',
    950: '#000000',
  },
}

SCSS

$custom: #645a4e;
$custom-light: #90887f;
$custom-dark: #000000;

JSON

{
  "hex": "#645a4e",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 78
  },
  "hsl": {
    "h": 32.727,
    "s": 12.36,
    "l": 34.902
  },
  "oklch": {
    "l": 0.47356,
    "c": 0.02281,
    "h": 72.3
  },
  "luminance": 0.10572
}

Semantic roles & 50–950 ramp

primary

#645A4E

secondary

#7D8691

accent

#91B573

background

#F8F8F7

surface

#F0EFEE

border

#CBCAC9

text

#0C0B0A

muted

#7D7C7C

Preview Lab

Preview with #645A4E

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

Preview Lab → · Contrast checker → · Palette generator →