#663E1C#663E1C

#663E1C is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.4% C 0.074 H 58.7°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#663E1C
RGB	rgb(102, 62, 28)
HSL	hsl(28, 57%, 25%)
HSV	hsv(28, 73%, 40%)
CMYK	cmyk(0%, 39.2%, 72.5%, 60%)
CIE-LAB	lab(30.29, 14.09, 27.62)
CIE-LCH	lch(30.29, 31.01, 62.97°)
OKLab	oklab(40.43% 0.0383 0.063)
OKLCH	oklch(40.43% 0.074 58.7)
XYZ	xyz(7.4123, 6.3546, 1.9346)
Luminance	0.0635 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E1C #1C4466

analogous

#661C1F #663E1C #66631C

triadic

#663E1C #1C663E #3E1C66

tetradic

#663E1C #1F661C #1C4466 #631C66

square

#663E1C #1F661C #1C4466 #631C66

split-complementary

#663E1C #1C6663 #1C1F66

monochromatic

#180F07 #36210F #663E1C #965B29 #C67836

Accessibility & contrast

On white

9.25

#663E1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#663E1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E1C

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E1C	#FFFFFF	#000000	##FFFFFF
##663E1C	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4218

Deuteranopia (green-blind)

#544B1C

Tritanopia (blue-blind)

#703536

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663e1c;
/* rgb */ color: rgb(102, 62, 28);
/* oklch */ color: oklch(40.4% 0.074 58.7);

Tailwind

colors: {
  custom: {
    50: '#95735a',
    500: '#663e1c',
    950: '#000000',
  },
}

SCSS

$custom: #663e1c;
$custom-light: #95735a;
$custom-dark: #000000;

JSON

{
  "hex": "#663e1c",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 28
  },
  "hsl": {
    "h": 27.568,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.40426,
    "c": 0.07371,
    "h": 58.7
  },
  "luminance": 0.06354
}

Semantic roles & 50–950 ramp

primary

#663E1C

secondary

#43729B

accent

#9AE048

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #663E1C

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

Preview Lab → · Contrast checker → · Palette generator →