#663D2C#663D2C

#663D2C is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.5% C 0.064 H 43.1°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#663D2C
RGB	rgb(102, 61, 44)
HSL	hsl(18, 40%, 29%)
HSV	hsv(18, 57%, 40%)
CMYK	cmyk(0%, 40.2%, 56.9%, 60%)
CIE-LAB	lab(30.27, 16.02, 18.01)
CIE-LCH	lch(30.27, 24.10, 48.35°)
OKLab	oklab(40.49% 0.0468 0.0438)
OKLCH	oklch(40.49% 0.064 43.1)
XYZ	xyz(7.6033, 6.3448, 3.2066)
Luminance	0.0634 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D2C #2C5566

analogous

#662C38 #663D2C #665A2C

triadic

#663D2C #2C663D #3D2C66

tetradic

#663D2C #38662C #2C5566 #5A2C66

square

#663D2C #38662C #2C5566 #5A2C66

split-complementary

#663D2C #2C665A #2C3866

monochromatic

#150D09 #3B231A #663D2C #91573E #B67256

Accessibility & contrast

On white

9.26

#663D2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#663D2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D2C

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D2C	#FFFFFF	#000000	##FFFFFF
##663D2C	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48422B

Deuteranopia (green-blind)

#514B2C

Tritanopia (blue-blind)

#6F3639

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663d2c;
/* rgb */ color: rgb(102, 61, 44);
/* oklch */ color: oklch(40.5% 0.064 43.1);

Tailwind

colors: {
  custom: {
    50: '#947365',
    500: '#663d2c',
    950: '#000000',
  },
}

SCSS

$custom: #663d2c;
$custom-light: #947365;
$custom-dark: #000000;

JSON

{
  "hex": "#663d2c",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 44
  },
  "hsl": {
    "h": 17.586,
    "s": 39.726,
    "l": 28.627
  },
  "oklch": {
    "l": 0.40485,
    "c": 0.06408,
    "h": 43.1
  },
  "luminance": 0.06344
}

Semantic roles & 50–950 ramp

primary

#663D2C

secondary

#568598

accent

#ADD058

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0805

muted

#7E7B7A

Preview Lab

Preview with #663D2C

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

Preview Lab → · Contrast checker → · Palette generator →