#663A2B#663A2B

#663A2B is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.9% C 0.067 H 39.5°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#663A2B
RGB	rgb(102, 58, 43)
HSL	hsl(15, 41%, 28%)
HSV	hsv(15, 58%, 40%)
CMYK	cmyk(0%, 43.1%, 57.8%, 60%)
CIE-LAB	lab(29.48, 17.76, 17.62)
CIE-LCH	lch(29.48, 25.02, 44.79°)
OKLab	oklab(39.87% 0.0519 0.0428)
OKLCH	oklch(39.87% 0.067 39.5)
XYZ	xyz(7.4291, 6.0260, 3.0569)
Luminance	0.0602 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663A2B #2B5766

analogous

#662B39 #663A2B #66572B

triadic

#663A2B #2B663A #3A2B66

tetradic

#663A2B #39662B #2B5766 #572B66

square

#663A2B #39662B #2B5766 #572B66

split-complementary

#663A2B #2B6657 #2B3966

monochromatic

#160C09 #3B2219 #663A2B #91523D #B76D54

Accessibility & contrast

On white

9.52

#663A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#663A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663A2B

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663A2B	#FFFFFF	#000000	##FFFFFF
##663A2B	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45402A

Deuteranopia (green-blind)

#50492A

Tritanopia (blue-blind)

#6F3336

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #663a2b;
/* rgb */ color: rgb(102, 58, 43);
/* oklch */ color: oklch(39.9% 0.067 39.5);

Tailwind

colors: {
  custom: {
    50: '#957064',
    500: '#663a2b',
    950: '#000000',
  },
}

SCSS

$custom: #663a2b;
$custom-light: #957064;
$custom-dark: #000000;

JSON

{
  "hex": "#663a2b",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 43
  },
  "hsl": {
    "h": 15.254,
    "s": 40.69,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39873,
    "c": 0.06732,
    "h": 39.5
  },
  "luminance": 0.06025
}

Semantic roles & 50–950 ramp

primary

#663A2B

secondary

#558798

accent

#B2D157

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0E0705

muted

#7E7A7A

Preview Lab

Preview with #663A2B

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

Preview Lab → · Contrast checker → · Palette generator →