#645321#645321

#645321 is a dark, moderate orange. Relative luminance 0.090; OKLCH L 44.8% C 0.071 H 90.4°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#645321
RGB	rgb(100, 83, 33)
HSL	hsl(45, 50%, 26%)
HSV	hsv(45, 67%, 39%)
CMYK	cmyk(0%, 17%, 67%, 60.8%)
CIE-LAB	lab(36.00, 0.55, 31.16)
CIE-LCH	lch(36.00, 31.17, 88.98°)
OKLab	oklab(44.85% -0.0005 0.0715)
OKLCH	oklch(44.85% 0.071 90.4)
XYZ	xyz(8.6237, 9.0061, 2.7227)
Luminance	0.0901 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645321 #213264

analogous

#643121 #645321 #536421

triadic

#645321 #216453 #532164

tetradic

#645321 #216431 #213264 #642153

square

#645321 #216431 #213264 #642153

split-complementary

#645321 #215364 #312164

monochromatic

#171308 #362D12 #645321 #927930 #C09F40

Accessibility & contrast

On white

7.50

#645321 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#645321 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645321

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645321	#FFFFFF	#000000	##FFFFFF
##645321	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C521C

Deuteranopia (green-blind)

#605723

Tritanopia (blue-blind)

#6C4C48

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #645321;
/* rgb */ color: rgb(100, 83, 33);
/* oklch */ color: oklch(44.8% 0.071 90.4);

Tailwind

colors: {
  custom: {
    50: '#93835e',
    500: '#645321',
    950: '#000000',
  },
}

SCSS

$custom: #645321;
$custom-light: #93835e;
$custom-dark: #000000;

JSON

{
  "hex": "#645321",
  "rgb": {
    "r": 100,
    "g": 83,
    "b": 33
  },
  "hsl": {
    "h": 44.776,
    "s": 50.376,
    "l": 26.078
  },
  "oklch": {
    "l": 0.44849,
    "c": 0.07148,
    "h": 90.4
  },
  "luminance": 0.09006
}

Semantic roles & 50–950 ramp

primary

#645321

secondary

#495D98

accent

#71DA4E

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #645321

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

Preview Lab → · Contrast checker → · Palette generator →