#663711#663711

#663711 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.9% C 0.083 H 55.3°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#663711
RGB	rgb(102, 55, 17)
HSL	hsl(27, 71%, 23%)
HSV	hsv(27, 83%, 40%)
CMYK	cmyk(0%, 46.1%, 83.3%, 60%)
CIE-LAB	lab(28.38, 17.78, 31.45)
CIE-LCH	lch(28.38, 36.13, 60.52°)
OKLab	oklab(38.91% 0.0475 0.0686)
OKLCH	oklch(38.91% 0.083 55.3)
XYZ	xyz(6.9475, 5.5984, 1.2449)
Luminance	0.0560 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663711 #114066

analogous

#661115 #663711 #666111

triadic

#663711 #116637 #371166

tetradic

#663711 #156611 #114066 #611166

square

#663711 #156611 #114066 #611166

split-complementary

#663711 #116661 #111566

monochromatic

#1A0E04 #321B08 #663711 #9A531A #CF7022

Accessibility & contrast

On white

9.91

#663711 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#663711 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663711

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663711	#FFFFFF	#000000	##FFFFFF
##663711	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C0C

Deuteranopia (green-blind)

#504711

Tritanopia (blue-blind)

#702D2F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #663711;
/* rgb */ color: rgb(102, 55, 17);
/* oklch */ color: oklch(38.9% 0.083 55.3);

Tailwind

colors: {
  custom: {
    50: '#976e52',
    500: '#663711',
    950: '#000000',
  },
}

SCSS

$custom: #663711;
$custom-light: #976e52;
$custom-dark: #000000;

JSON

{
  "hex": "#663711",
  "rgb": {
    "r": 102,
    "g": 55,
    "b": 17
  },
  "hsl": {
    "h": 26.824,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.38914,
    "c": 0.08338,
    "h": 55.3
  },
  "luminance": 0.05598
}

Semantic roles & 50–950 ramp

primary

#663711

secondary

#356F9E

accent

#9DEE3A

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663711

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

Preview Lab → · Contrast checker → · Palette generator →