#C66537#C66537

#C66537 is a mid, vivid orange. Relative luminance 0.216; OKLCH L 61.3% C 0.138 H 44.4°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#C66537
RGB	rgb(198, 101, 55)
HSL	hsl(19, 57%, 50%)
HSV	hsv(19, 72%, 78%)
CMYK	cmyk(0%, 49%, 72.2%, 22.4%)
CIE-LAB	lab(53.59, 35.22, 42.74)
CIE-LCH	lch(53.59, 55.38, 50.51°)
OKLab	oklab(61.31% 0.0982 0.0963)
OKLCH	oklch(61.31% 0.138 44.4)
XYZ	xyz(28.6346, 21.5924, 6.2735)
Luminance	0.2159 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C66537 #3798C6

analogous

#C63750 #C66537 #C6AD37

triadic

#C66537 #37C665 #6537C6

tetradic

#C66537 #50C637 #3798C6 #AD37C6

square

#C66537 #50C637 #3798C6 #AD37C6

split-complementary

#C66537 #37C6AD #3750C6

monochromatic

#66341C #964D2A #C66537 #D48966 #E2AE96

Accessibility & contrast

On white

3.95

#C66537 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#C66537 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C66537

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C66537	#FFFFFF	#000000	##000000
##C66537	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#807332

Deuteranopia (green-blind)

#978835

Tritanopia (blue-blind)

#D9515B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #c66537;
/* rgb */ color: rgb(198, 101, 55);
/* oklch */ color: oklch(61.3% 0.138 44.4);

Tailwind

colors: {
  custom: {
    50: '#de9270',
    500: '#c66537',
    950: '#000000',
  },
}

SCSS

$custom: #c66537;
$custom-light: #de9270;
$custom-dark: #000000;

JSON

{
  "hex": "#c66537",
  "rgb": {
    "r": 198,
    "g": 101,
    "b": 55
  },
  "hsl": {
    "h": 19.301,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.61311,
    "c": 0.1375,
    "h": 44.4
  },
  "luminance": 0.21589
}

Semantic roles & 50–950 ramp

primary

#C66537

secondary

#8CB8CD

accent

#AFE048

background

#FEF9F6

surface

#FDF1EC

border

#D5CBC7

text

#160D07

muted

#847E7A

Preview Lab

Preview with #C66537

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

Preview Lab → · Contrast checker → · Palette generator →