#663D19#663D19

#663D19 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.2% C 0.076 H 59.1°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#663D19
RGB	rgb(102, 61, 25)
HSL	hsl(28, 61%, 25%)
HSV	hsv(28, 75%, 40%)
CMYK	cmyk(0%, 40.2%, 75.5%, 60%)
CIE-LAB	lab(29.99, 14.52, 28.95)
CIE-LCH	lch(29.99, 32.39, 63.36°)
OKLab	oklab(40.19% 0.0391 0.0652)
OKLCH	oklch(40.19% 0.076 59.1)
XYZ	xyz(7.3243, 6.2332, 1.7369)
Luminance	0.0623 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D19 #194266

analogous

#66191B #663D19 #666419

triadic

#663D19 #19663D #3D1966

tetradic

#663D19 #1B6619 #194266 #641966

square

#663D19 #1B6619 #194266 #641966

split-complementary

#663D19 #196664 #191B66

monochromatic

#190F06 #35200D #663D19 #975A25 #C87831

Accessibility & contrast

On white

9.35

#663D19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#663D19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D19

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D19	#FFFFFF	#000000	##FFFFFF
##663D19	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494115

Deuteranopia (green-blind)

#534A19

Tritanopia (blue-blind)

#703435

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663d19;
/* rgb */ color: rgb(102, 61, 25);
/* oklch */ color: oklch(40.2% 0.076 59.1);

Tailwind

colors: {
  custom: {
    50: '#967257',
    500: '#663d19',
    950: '#000000',
  },
}

SCSS

$custom: #663d19;
$custom-light: #967257;
$custom-dark: #000000;

JSON

{
  "hex": "#663d19",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 25
  },
  "hsl": {
    "h": 28.052,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.40186,
    "c": 0.07602,
    "h": 59.1
  },
  "luminance": 0.06232
}

Semantic roles & 50–950 ramp

primary

#663D19

secondary

#3F709C

accent

#99E444

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #663D19

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

Preview Lab → · Contrast checker → · Palette generator →