#663E2C#663E2C

#663E2C is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.7% C 0.063 H 44.8°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#663E2C
RGB	rgb(102, 62, 44)
HSL	hsl(19, 40%, 29%)
HSV	hsv(19, 57%, 40%)
CMYK	cmyk(0%, 39.2%, 56.9%, 60%)
CIE-LAB	lab(30.53, 15.40, 18.34)
CIE-LCH	lch(30.53, 23.95, 49.98°)
OKLab	oklab(40.69% 0.0449 0.0446)
OKLCH	oklch(40.69% 0.063 44.8)
XYZ	xyz(7.6572, 6.4526, 3.2246)
Luminance	0.0645 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E2C #2C5466

analogous

#662C37 #663E2C #665B2C

triadic

#663E2C #2C663E #3E2C66

tetradic

#663E2C #37662C #2C5466 #5B2C66

square

#663E2C #37662C #2C5466 #5B2C66

split-complementary

#663E2C #2C665B #2C3766

monochromatic

#150D09 #3B241A #663E2C #91583E #B67456

Accessibility & contrast

On white

9.17

#663E2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#663E2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E2C

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E2C	#FFFFFF	#000000	##FFFFFF
##663E2C	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49432B

Deuteranopia (green-blind)

#524B2C

Tritanopia (blue-blind)

#6F3739

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #663e2c;
/* rgb */ color: rgb(102, 62, 44);
/* oklch */ color: oklch(40.7% 0.063 44.8);

Tailwind

colors: {
  custom: {
    50: '#947365',
    500: '#663e2c',
    950: '#000000',
  },
}

SCSS

$custom: #663e2c;
$custom-light: #947365;
$custom-dark: #000000;

JSON

{
  "hex": "#663e2c",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 44
  },
  "hsl": {
    "h": 18.621,
    "s": 39.726,
    "l": 28.627
  },
  "oklch": {
    "l": 0.40686,
    "c": 0.06327,
    "h": 44.8
  },
  "luminance": 0.06452
}

Semantic roles & 50–950 ramp

primary

#663E2C

secondary

#568398

accent

#ABD058

background

#F9F7F6

surface

#F2EDEB

border

#CCC8C6

text

#0D0805

muted

#7E7B7A

Preview Lab

Preview with #663E2C

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

Preview Lab → · Contrast checker → · Palette generator →