#663510#663510

#663510 is a dark, moderate orange. Relative luminance 0.054; OKLCH L 38.5% C 0.085 H 53.4°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#663510
RGB	rgb(102, 53, 16)
HSL	hsl(26, 73%, 23%)
HSV	hsv(26, 84%, 40%)
CMYK	cmyk(0%, 48%, 84.3%, 60%)
CIE-LAB	lab(27.87, 18.95, 31.46)
CIE-LCH	lch(27.87, 36.72, 58.94°)
OKLab	oklab(38.52% 0.0508 0.0683)
OKLCH	oklch(38.52% 0.085 53.4)
XYZ	xyz(6.8468, 5.4092, 1.1736)
Luminance	0.0541 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663510 #104166

analogous

#661016 #663510 #666010

triadic

#663510 #106635 #351066

tetradic

#663510 #166610 #104166 #601066

square

#663510 #166610 #104166 #601066

split-complementary

#663510 #106660 #101666

monochromatic

#1A0E04 #311A08 #663510 #9B5018 #D06C21

Accessibility & contrast

On white

10.09

#663510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#663510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663510

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663510	#FFFFFF	#000000	##FFFFFF
##663510	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B0B

Deuteranopia (green-blind)

#4F4610

Tritanopia (blue-blind)

#702A2E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #663510;
/* rgb */ color: rgb(102, 53, 16);
/* oklch */ color: oklch(38.5% 0.085 53.4);

Tailwind

colors: {
  custom: {
    50: '#976d51',
    500: '#663510',
    950: '#000000',
  },
}

SCSS

$custom: #663510;
$custom-light: #976d51;
$custom-dark: #000000;

JSON

{
  "hex": "#663510",
  "rgb": {
    "r": 102,
    "g": 53,
    "b": 16
  },
  "hsl": {
    "h": 25.814,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.38522,
    "c": 0.08509,
    "h": 53.4
  },
  "luminance": 0.05408
}

Semantic roles & 50–950 ramp

primary

#663510

secondary

#33709E

accent

#A1F038

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663510

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

Preview Lab → · Contrast checker → · Palette generator →