#645331#645331

#645331 is a mid, muted orange. Relative luminance 0.091; OKLCH L 45.1% C 0.055 H 83.8°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#645331
RGB	rgb(100, 83, 49)
HSL	hsl(40, 34%, 29%)
HSV	hsv(40, 51%, 39%)
CMYK	cmyk(0%, 17%, 51%, 60.8%)
CIE-LAB	lab(36.21, 2.03, 22.46)
CIE-LCH	lch(36.21, 22.55, 84.83°)
OKLab	oklab(45.09% 0.0059 0.0543)
OKLCH	oklch(45.09% 0.055 83.8)
XYZ	xyz(8.9035, 9.1180, 4.1961)
Luminance	0.0912 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645331 #314264

analogous

#643A31 #645331 #5C6431

triadic

#645331 #316453 #533164

tetradic

#645331 #31643A #314264 #64315C

square

#645331 #31643A #314264 #64315C

split-complementary

#645331 #315C64 #3A3164

monochromatic

#15110A #3B311D #645331 #8D7545 #B1955F

Accessibility & contrast

On white

7.44

#645331 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#645331 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645331

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645331	#FFFFFF	#000000	##FFFFFF
##645331	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B532E

Deuteranopia (green-blind)

#5F5732

Tritanopia (blue-blind)

#6B4D4B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #645331;
/* rgb */ color: rgb(100, 83, 49);
/* oklch */ color: oklch(45.1% 0.055 83.8);

Tailwind

colors: {
  custom: {
    50: '#91836a',
    500: '#645331',
    950: '#000000',
  },
}

SCSS

$custom: #645331;
$custom-light: #91836a;
$custom-dark: #000000;

JSON

{
  "hex": "#645331",
  "rgb": {
    "r": 100,
    "g": 83,
    "b": 49
  },
  "hsl": {
    "h": 40,
    "s": 34.228,
    "l": 29.216
  },
  "oklch": {
    "l": 0.45087,
    "c": 0.05461,
    "h": 83.8
  },
  "luminance": 0.09118
}

Semantic roles & 50–950 ramp

primary

#645331

secondary

#5C6F95

accent

#82CA5D

background

#F9F8F6

surface

#F1EFEB

border

#CBCAC6

text

#0D0A06

muted

#7E7C7A

Preview Lab

Preview with #645331

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

Preview Lab → · Contrast checker → · Palette generator →