#663E2E#663E2E

#663E2E is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.7% C 0.062 H 42.5°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#663E2E
RGB	rgb(102, 62, 46)
HSL	hsl(17, 38%, 29%)
HSV	hsv(17, 55%, 40%)
CMYK	cmyk(0%, 39.2%, 54.9%, 60%)
CIE-LAB	lab(30.56, 15.60, 17.13)
CIE-LCH	lch(30.56, 23.17, 47.68°)
OKLab	oklab(40.73% 0.0458 0.0419)
OKLCH	oklch(40.73% 0.062 42.5)
XYZ	xyz(7.6957, 6.4680, 3.4274)
Luminance	0.0647 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E2E #2E5666

analogous

#662E3A #663E2E #665A2E

triadic

#663E2E #2E663E #3E2E66

tetradic

#663E2E #3A662E #2E5666 #5A2E66

square

#663E2E #3A662E #2E5666 #5A2E66

split-complementary

#663E2E #2E665A #2E3A66

monochromatic

#150D0A #3C241B #663E2E #905841 #B5745A

Accessibility & contrast

On white

9.16

#663E2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#663E2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E2E

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E2E	#FFFFFF	#000000	##FFFFFF
##663E2E	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48432D

Deuteranopia (green-blind)

#524B2E

Tritanopia (blue-blind)

#6F373A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #663e2e;
/* rgb */ color: rgb(102, 62, 46);
/* oklch */ color: oklch(40.7% 0.062 42.5);

Tailwind

colors: {
  custom: {
    50: '#947367',
    500: '#663e2e',
    950: '#000000',
  },
}

SCSS

$custom: #663e2e;
$custom-light: #947367;
$custom-dark: #000000;

JSON

{
  "hex": "#663e2e",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 46
  },
  "hsl": {
    "h": 17.143,
    "s": 37.838,
    "l": 29.02
  },
  "oklch": {
    "l": 0.40726,
    "c": 0.06211,
    "h": 42.5
  },
  "luminance": 0.06467
}

Semantic roles & 50–950 ramp

primary

#663E2E

secondary

#588698

accent

#ADCE5A

background

#F9F7F6

surface

#F2EDEB

border

#CCC8C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #663E2E

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

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