#643A15#643A15

#643A15 is a dark, moderate orange. Relative luminance 0.058; OKLCH L 39.2% C 0.078 H 58.5°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#643A15
RGB	rgb(100, 58, 21)
HSL	hsl(28, 65%, 24%)
HSV	hsv(28, 79%, 39%)
CMYK	cmyk(0%, 42%, 79%, 60.8%)
CIE-LAB	lab(28.88, 15.19, 29.82)
CIE-LCH	lch(28.88, 33.47, 63.01°)
OKLab	oklab(39.25% 0.0406 0.0663)
OKLCH	oklch(39.25% 0.078 58.5)
XYZ	xyz(6.9045, 5.7903, 1.4633)
Luminance	0.0579 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A15 #153F64

analogous

#641518 #643A15 #646115

triadic

#643A15 #15643A #3A1564

tetradic

#643A15 #186415 #153F64 #611564

square

#643A15 #186415 #153F64 #611564

split-complementary

#643A15 #156461 #151864

monochromatic

#190F05 #311D0A #643A15 #975720 #C9752A

Accessibility & contrast

On white

9.73

#643A15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#643A15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A15

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A15	#FFFFFF	#000000	##FFFFFF
##643A15	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473E10

Deuteranopia (green-blind)

#514815

Tritanopia (blue-blind)

#6E3132

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643a15;
/* rgb */ color: rgb(100, 58, 21);
/* oklch */ color: oklch(39.2% 0.078 58.5);

Tailwind

colors: {
  custom: {
    50: '#947055',
    500: '#643a15',
    950: '#000000',
  },
}

SCSS

$custom: #643a15;
$custom-light: #947055;
$custom-dark: #000000;

JSON

{
  "hex": "#643a15",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 21
  },
  "hsl": {
    "h": 28.101,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.39249,
    "c": 0.07769,
    "h": 58.5
  },
  "luminance": 0.0579
}

Semantic roles & 50–950 ramp

primary

#643A15

secondary

#3A6D9B

accent

#99E840

background

#F9F6F5

surface

#F2ECE8

border

#CCC7C4

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643A15

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

Preview Lab → · Contrast checker → · Palette generator →