#C66337#C66337

#C66337 is a mid, vivid orange. Relative luminance 0.212; OKLCH L 61.0% C 0.139 H 43.2°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#C66337
RGB	rgb(198, 99, 55)
HSL	hsl(18, 57%, 50%)
HSV	hsv(18, 72%, 78%)
CMYK	cmyk(0%, 50%, 72.2%, 22.4%)
CIE-LAB	lab(53.18, 36.26, 42.29)
CIE-LCH	lch(53.18, 55.70, 49.39°)
OKLab	oklab(60.99% 0.1013 0.0953)
OKLCH	oklch(60.99% 0.139 43.2)
XYZ	xyz(28.4428, 21.2087, 6.2096)
Luminance	0.2120 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C66337 #379AC6

analogous

#C63752 #C66337 #C6AB37

triadic

#C66337 #37C663 #6337C6

tetradic

#C66337 #52C637 #379AC6 #AB37C6

square

#C66337 #52C637 #379AC6 #AB37C6

split-complementary

#C66337 #37C6AB #3752C6

monochromatic

#66331C #964B2A #C66337 #D48866 #E2AD96

Accessibility & contrast

On white

4.01

#C66337 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#C66337 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C66337

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C66337	#FFFFFF	#000000	##000000
##C66337	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7132

Deuteranopia (green-blind)

#968735

Tritanopia (blue-blind)

#D94F59

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #c66337;
/* rgb */ color: rgb(198, 99, 55);
/* oklch */ color: oklch(61.0% 0.139 43.2);

Tailwind

colors: {
  custom: {
    50: '#de9170',
    500: '#c66337',
    950: '#000000',
  },
}

SCSS

$custom: #c66337;
$custom-light: #de9170;
$custom-dark: #000000;

JSON

{
  "hex": "#c66337",
  "rgb": {
    "r": 198,
    "g": 99,
    "b": 55
  },
  "hsl": {
    "h": 18.462,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.60994,
    "c": 0.1391,
    "h": 43.2
  },
  "luminance": 0.21205
}

Semantic roles & 50–950 ramp

primary

#C66337

secondary

#8CB9CD

accent

#B1E048

background

#FEF9F6

surface

#FDF1EC

border

#D5CBC7

text

#160D07

muted

#847E7A

Preview Lab

Preview with #C66337

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

Preview Lab → · Contrast checker → · Palette generator →