#663A24#663A24

#663A24 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.7% C 0.071 H 46.6°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#663A24
RGB	rgb(102, 58, 36)
HSL	hsl(20, 48%, 27%)
HSV	hsv(20, 65%, 40%)
CMYK	cmyk(0%, 43.1%, 64.7%, 60%)
CIE-LAB	lab(29.36, 17.13, 21.84)
CIE-LCH	lch(29.36, 27.76, 51.88°)
OKLab	oklab(39.74% 0.0489 0.0516)
OKLCH	oklch(39.74% 0.071 46.6)
XYZ	xyz(7.3115, 5.9790, 2.4377)
Luminance	0.0598 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663A24 #245066

analogous

#66242F #663A24 #665B24

triadic

#663A24 #24663A #3A2466

tetradic

#663A24 #2F6624 #245066 #5B2466

square

#663A24 #2F6624 #245066 #5B2466

split-complementary

#663A24 #24665B #242F66

monochromatic

#170D08 #392014 #663A24 #935434 #BE6E47

Accessibility & contrast

On white

9.56

#663A24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#663A24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663A24

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663A24	#FFFFFF	#000000	##FFFFFF
##663A24	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F22

Deuteranopia (green-blind)

#504924

Tritanopia (blue-blind)

#6F3235

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #663a24;
/* rgb */ color: rgb(102, 58, 36);
/* oklch */ color: oklch(39.7% 0.071 46.6);

Tailwind

colors: {
  custom: {
    50: '#95705f',
    500: '#663a24',
    950: '#000000',
  },
}

SCSS

$custom: #663a24;
$custom-light: #95705f;
$custom-dark: #000000;

JSON

{
  "hex": "#663a24",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 36
  },
  "hsl": {
    "h": 20,
    "s": 47.826,
    "l": 27.059
  },
  "oklch": {
    "l": 0.39743,
    "c": 0.0711,
    "h": 46.6
  },
  "luminance": 0.05978
}

Semantic roles & 50–950 ramp

primary

#663A24

secondary

#4C8099

accent

#AAD750

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #663A24

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

Preview Lab → · Contrast checker → · Palette generator →