#643B1E#643B1E

#643B1E is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.6% C 0.072 H 54.2°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#643B1E
RGB	rgb(100, 59, 30)
HSL	hsl(25, 54%, 25%)
HSV	hsv(25, 70%, 39%)
CMYK	cmyk(0%, 41%, 70%, 60.8%)
CIE-LAB	lab(29.24, 15.13, 25.22)
CIE-LCH	lch(29.24, 29.41, 59.04°)
OKLab	oklab(39.56% 0.042 0.0582)
OKLCH	oklch(39.56% 0.072 54.2)
XYZ	xyz(7.0544, 5.9317, 2.0015)
Luminance	0.0593 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B1E #1E4764

analogous

#641E24 #643B1E #645E1E

triadic

#643B1E #1E643B #3B1E64

tetradic

#643B1E #24641E #1E4764 #5E1E64

square

#643B1E #24641E #1E4764 #5E1E64

split-complementary

#643B1E #1E645E #1E2464

monochromatic

#180E07 #351F10 #643B1E #93572C #C2733A

Accessibility & contrast

On white

9.61

#643B1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#643B1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B1E

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B1E	#FFFFFF	#000000	##FFFFFF
##643B1E	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F1B

Deuteranopia (green-blind)

#51491E

Tritanopia (blue-blind)

#6D3334

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643b1e;
/* rgb */ color: rgb(100, 59, 30);
/* oklch */ color: oklch(39.6% 0.072 54.2);

Tailwind

colors: {
  custom: {
    50: '#94715b',
    500: '#643b1e',
    950: '#000000',
  },
}

SCSS

$custom: #643b1e;
$custom-light: #94715b;
$custom-dark: #000000;

JSON

{
  "hex": "#643b1e",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 30
  },
  "hsl": {
    "h": 24.857,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.39561,
    "c": 0.07176,
    "h": 54.2
  },
  "luminance": 0.05931
}

Semantic roles & 50–950 ramp

primary

#643B1E

secondary

#457699

accent

#A0DD4B

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #643B1E

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

Preview Lab → · Contrast checker → · Palette generator →