#663D2D#663D2D

#663D2D is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.5% C 0.064 H 42.0°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#663D2D
RGB	rgb(102, 61, 45)
HSL	hsl(17, 39%, 29%)
HSV	hsv(17, 56%, 40%)
CMYK	cmyk(0%, 40.2%, 55.9%, 60%)
CIE-LAB	lab(30.28, 16.12, 17.40)
CIE-LCH	lch(30.28, 23.72, 47.20°)
OKLab	oklab(40.51% 0.0472 0.0425)
OKLCH	oklch(40.51% 0.064 42)
XYZ	xyz(7.6224, 6.3524, 3.3068)
Luminance	0.0635 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D2D #2D5666

analogous

#662D3A #663D2D #665A2D

triadic

#663D2D #2D663D #3D2D66

tetradic

#663D2D #3A662D #2D5666 #5A2D66

square

#663D2D #3A662D #2D5666 #5A2D66

split-complementary

#663D2D #2D665A #2D3A66

monochromatic

#150D09 #3C241A #663D2D #905640 #B57258

Accessibility & contrast

On white

9.25

#663D2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#663D2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D2D

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D2D	#FFFFFF	#000000	##FFFFFF
##663D2D	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)

#48422C

Deuteranopia (green-blind)

#514B2D

Tritanopia (blue-blind)

#6F3639

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663d2d;
/* rgb */ color: rgb(102, 61, 45);
/* oklch */ color: oklch(40.5% 0.064 42.0);

Tailwind

colors: {
  custom: {
    50: '#947366',
    500: '#663d2d',
    950: '#000000',
  },
}

SCSS

$custom: #663d2d;
$custom-light: #947366;
$custom-dark: #000000;

JSON

{
  "hex": "#663d2d",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 45
  },
  "hsl": {
    "h": 16.842,
    "s": 38.776,
    "l": 28.824
  },
  "oklch": {
    "l": 0.40505,
    "c": 0.06353,
    "h": 42
  },
  "luminance": 0.06352
}

Semantic roles & 50–950 ramp

primary

#663D2D

secondary

#578698

accent

#AECF59

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #663D2D

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

Preview Lab → · Contrast checker → · Palette generator →