#663E2D#663E2D

#663E2D is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.7% C 0.063 H 43.6°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#663E2D
RGB	rgb(102, 62, 45)
HSL	hsl(18, 39%, 29%)
HSV	hsv(18, 56%, 40%)
CMYK	cmyk(0%, 39.2%, 55.9%, 60%)
CIE-LAB	lab(30.55, 15.50, 17.74)
CIE-LCH	lch(30.55, 23.56, 48.85°)
OKLab	oklab(40.71% 0.0454 0.0432)
OKLCH	oklch(40.71% 0.063 43.6)
XYZ	xyz(7.6762, 6.4602, 3.3248)
Luminance	0.0646 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E2D #2D5566

analogous

#662D39 #663E2D #665B2D

triadic

#663E2D #2D663E #3E2D66

tetradic

#663E2D #39662D #2D5566 #5B2D66

square

#663E2D #39662D #2D5566 #5B2D66

split-complementary

#663E2D #2D665B #2D3966

monochromatic

#150D09 #3C241A #663E2D #905840 #B57458

Accessibility & contrast

On white

9.16

#663E2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#663E2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E2D

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E2D	#FFFFFF	#000000	##FFFFFF
##663E2D	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48432C

Deuteranopia (green-blind)

#524B2D

Tritanopia (blue-blind)

#6F373A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #663e2d;
/* rgb */ color: rgb(102, 62, 45);
/* oklch */ color: oklch(40.7% 0.063 43.6);

Tailwind

colors: {
  custom: {
    50: '#947366',
    500: '#663e2d',
    950: '#000000',
  },
}

SCSS

$custom: #663e2d;
$custom-light: #947366;
$custom-dark: #000000;

JSON

{
  "hex": "#663e2d",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 45
  },
  "hsl": {
    "h": 17.895,
    "s": 38.776,
    "l": 28.824
  },
  "oklch": {
    "l": 0.40706,
    "c": 0.06268,
    "h": 43.6
  },
  "luminance": 0.06459
}

Semantic roles & 50–950 ramp

primary

#663E2D

secondary

#578498

accent

#ACCF59

background

#F9F7F6

surface

#F2EDEB

border

#CCC8C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #663E2D

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

Preview Lab → · Contrast checker → · Palette generator →