#663E2F#663E2F

#663E2F is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.7% C 0.062 H 41.3°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#663E2F
RGB	rgb(102, 62, 47)
HSL	hsl(16, 37%, 29%)
HSV	hsv(16, 54%, 40%)
CMYK	cmyk(0%, 39.2%, 53.9%, 60%)
CIE-LAB	lab(30.58, 15.71, 16.53)
CIE-LCH	lch(30.58, 22.80, 46.46°)
OKLab	oklab(40.75% 0.0463 0.0406)
OKLCH	oklch(40.75% 0.062 41.3)
XYZ	xyz(7.7157, 6.4759, 3.5324)
Luminance	0.0648 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E2F #2F5766

analogous

#662F3C #663E2F #665A2F

triadic

#663E2F #2F663E #3E2F66

tetradic

#663E2F #3C662F #2F5766 #5A2F66

square

#663E2F #3C662F #2F5766 #5A2F66

split-complementary

#663E2F #2F665A #2F3C66

monochromatic

#150D0A #3C251C #663E2F #905742 #B4745C

Accessibility & contrast

On white

9.15

#663E2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#663E2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E2F

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E2F	#FFFFFF	#000000	##FFFFFF
##663E2F	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48432E

Deuteranopia (green-blind)

#524B2F

Tritanopia (blue-blind)

#6F373A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #663e2f;
/* rgb */ color: rgb(102, 62, 47);
/* oklch */ color: oklch(40.7% 0.062 41.3);

Tailwind

colors: {
  custom: {
    50: '#947367',
    500: '#663e2f',
    950: '#000000',
  },
}

SCSS

$custom: #663e2f;
$custom-light: #947367;
$custom-dark: #000000;

JSON

{
  "hex": "#663e2f",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 47
  },
  "hsl": {
    "h": 16.364,
    "s": 36.913,
    "l": 29.216
  },
  "oklch": {
    "l": 0.40747,
    "c": 0.06155,
    "h": 41.3
  },
  "luminance": 0.06475
}

Semantic roles & 50–950 ramp

primary

#663E2F

secondary

#598798

accent

#AECD5B

background

#F9F7F6

surface

#F2EDEB

border

#CCC8C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #663E2F

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

Preview Lab → · Contrast checker → · Palette generator →