#663D1E#663D1E

#663D1E is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.2% C 0.073 H 55.8°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#663D1E
RGB	rgb(102, 61, 30)
HSL	hsl(26, 55%, 26%)
HSV	hsv(26, 71%, 40%)
CMYK	cmyk(0%, 40.2%, 70.6%, 60%)
CIE-LAB	lab(30.05, 14.84, 26.22)
CIE-LCH	lch(30.05, 30.13, 60.49°)
OKLab	oklab(40.25% 0.0409 0.0603)
OKLCH	oklch(40.25% 0.073 55.8)
XYZ	xyz(7.3831, 6.2567, 2.0469)
Luminance	0.0626 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D1E #1E4766

analogous

#661E23 #663D1E #66611E

triadic

#663D1E #1E663D #3D1E66

tetradic

#663D1E #23661E #1E4766 #611E66

square

#663D1E #23661E #1E4766 #611E66

split-complementary

#663D1E #1E6661 #1E2366

monochromatic

#180E07 #372110 #663D1E #95592C #C5763A

Accessibility & contrast

On white

9.33

#663D1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#663D1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D1E

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D1E	#FFFFFF	#000000	##FFFFFF
##663D1E	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49411B

Deuteranopia (green-blind)

#534A1E

Tritanopia (blue-blind)

#703436

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663d1e;
/* rgb */ color: rgb(102, 61, 30);
/* oklch */ color: oklch(40.2% 0.073 55.8);

Tailwind

colors: {
  custom: {
    50: '#95725b',
    500: '#663d1e',
    950: '#000000',
  },
}

SCSS

$custom: #663d1e;
$custom-light: #95725b;
$custom-dark: #000000;

JSON

{
  "hex": "#663d1e",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 30
  },
  "hsl": {
    "h": 25.833,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.40249,
    "c": 0.07288,
    "h": 55.8
  },
  "luminance": 0.06256
}

Semantic roles & 50–950 ramp

primary

#663D1E

secondary

#45769B

accent

#9EDE4A

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #663D1E

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

Preview Lab → · Contrast checker → · Palette generator →