#C66637#C66637

#C66637 is a mid, vivid orange. Relative luminance 0.218; OKLCH L 61.5% C 0.137 H 45.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#C66637
RGB	rgb(198, 102, 55)
HSL	hsl(20, 57%, 50%)
HSV	hsv(20, 72%, 78%)
CMYK	cmyk(0%, 48.5%, 72.2%, 22.4%)
CIE-LAB	lab(53.80, 34.70, 42.97)
CIE-LCH	lch(53.80, 55.23, 51.07°)
OKLab	oklab(61.47% 0.0966 0.0968)
OKLCH	oklch(61.47% 0.137 45)
XYZ	xyz(28.7323, 21.7877, 6.3061)
Luminance	0.2178 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C66637 #3797C6

analogous

#C63750 #C66637 #C6AE37

triadic

#C66637 #37C666 #6637C6

tetradic

#C66637 #50C637 #3797C6 #AE37C6

square

#C66637 #50C637 #3797C6 #AE37C6

split-complementary

#C66637 #37C6AE #3750C6

monochromatic

#66351C #964D2A #C66637 #D48A66 #E2AF96

Accessibility & contrast

On white

3.92

#C66637 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#C66637 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C66637

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C66637	#FFFFFF	#000000	##000000
##C66637	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#817332

Deuteranopia (green-blind)

#988935

Tritanopia (blue-blind)

#D9525C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #c66637;
/* rgb */ color: rgb(198, 102, 55);
/* oklch */ color: oklch(61.5% 0.137 45.0);

Tailwind

colors: {
  custom: {
    50: '#de9370',
    500: '#c66637',
    950: '#000000',
  },
}

SCSS

$custom: #c66637;
$custom-light: #de9370;
$custom-dark: #000000;

JSON

{
  "hex": "#c66637",
  "rgb": {
    "r": 198,
    "g": 102,
    "b": 55
  },
  "hsl": {
    "h": 19.72,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.61471,
    "c": 0.13671,
    "h": 45
  },
  "luminance": 0.21784
}

Semantic roles & 50–950 ramp

primary

#C66637

secondary

#8CB8CD

accent

#AEE048

background

#FEF9F6

surface

#FDF1EC

border

#D5CBC7

text

#160D07

muted

#847E7A

Preview Lab

Preview with #C66637

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

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