#663010#663010

#663010 is a dark, moderate orange. Relative luminance 0.050; OKLCH L 37.6% C 0.089 H 47.8°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#663010
RGB	rgb(102, 48, 16)
HSL	hsl(22, 73%, 23%)
HSV	hsv(22, 84%, 40%)
CMYK	cmyk(0%, 52.9%, 84.3%, 60%)
CIE-LAB	lab(26.67, 21.91, 30.31)
CIE-LCH	lch(26.67, 37.40, 54.14°)
OKLab	oklab(37.6% 0.0597 0.0658)
OKLCH	oklch(37.6% 0.089 47.8)
XYZ	xyz(6.6306, 4.9769, 1.1016)
Luminance	0.0498 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663010 #104666

analogous

#66101B #663010 #665B10

triadic

#663010 #106630 #301066

tetradic

#663010 #1B6610 #104666 #5B1066

square

#663010 #1B6610 #104666 #5B1066

split-complementary

#663010 #10665B #101B66

monochromatic

#1A0C04 #311708 #663010 #9B4918 #D06221

Accessibility & contrast

On white

10.53

#663010 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#663010 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663010

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663010	#FFFFFF	#000000	##FFFFFF
##663010	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F380C

Deuteranopia (green-blind)

#4C440F

Tritanopia (blue-blind)

#712429

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #663010;
/* rgb */ color: rgb(102, 48, 16);
/* oklch */ color: oklch(37.6% 0.089 47.8);

Tailwind

colors: {
  custom: {
    50: '#976951',
    500: '#663010',
    950: '#000000',
  },
}

SCSS

$custom: #663010;
$custom-light: #976951;
$custom-dark: #000000;

JSON

{
  "hex": "#663010",
  "rgb": {
    "r": 102,
    "g": 48,
    "b": 16
  },
  "hsl": {
    "h": 22.326,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.37601,
    "c": 0.08883,
    "h": 47.8
  },
  "luminance": 0.04976
}

Semantic roles & 50–950 ramp

primary

#663010

secondary

#33779E

accent

#ABF038

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0F0602

muted

#7E7A78

Preview Lab

Preview with #663010

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

Preview Lab → · Contrast checker → · Palette generator →