#663D2F#663D2F

#663D2F is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.5% C 0.062 H 39.6°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#663D2F
RGB	rgb(102, 61, 47)
HSL	hsl(15, 37%, 29%)
HSV	hsv(15, 54%, 40%)
CMYK	cmyk(0%, 40.2%, 53.9%, 60%)
CIE-LAB	lab(30.32, 16.32, 16.19)
CIE-LCH	lch(30.32, 22.99, 44.77°)
OKLab	oklab(40.55% 0.0481 0.0398)
OKLCH	oklch(40.55% 0.062 39.6)
XYZ	xyz(7.6618, 6.3682, 3.5144)
Luminance	0.0637 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D2F #2F5866

analogous

#662F3D #663D2F #66592F

triadic

#663D2F #2F663D #3D2F66

tetradic

#663D2F #3D662F #2F5866 #592F66

square

#663D2F #3D662F #2F5866 #592F66

split-complementary

#663D2F #2F6659 #2F3D66

monochromatic

#150D0A #3C241C #663D2F #905642 #B4725C

Accessibility & contrast

On white

9.24

#663D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#663D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D2F

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D2F	#FFFFFF	#000000	##FFFFFF
##663D2F	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47422E

Deuteranopia (green-blind)

#514B2F

Tritanopia (blue-blind)

#6F3639

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663d2f;
/* rgb */ color: rgb(102, 61, 47);
/* oklch */ color: oklch(40.5% 0.062 39.6);

Tailwind

colors: {
  custom: {
    50: '#947367',
    500: '#663d2f',
    950: '#000000',
  },
}

SCSS

$custom: #663d2f;
$custom-light: #947367;
$custom-dark: #000000;

JSON

{
  "hex": "#663d2f",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 47
  },
  "hsl": {
    "h": 15.273,
    "s": 36.913,
    "l": 29.216
  },
  "oklch": {
    "l": 0.40547,
    "c": 0.06246,
    "h": 39.6
  },
  "luminance": 0.06368
}

Semantic roles & 50–950 ramp

primary

#663D2F

secondary

#598898

accent

#B0CD5B

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #663D2F

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

Preview Lab → · Contrast checker → · Palette generator →