#C65537#C65537

#C65537 is a mid, vivid red. Relative luminance 0.188; OKLCH L 58.9% C 0.152 H 35.8°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#C65537
RGB	rgb(198, 85, 55)
HSL	hsl(13, 57%, 50%)
HSV	hsv(13, 72%, 78%)
CMYK	cmyk(0%, 57.1%, 72.2%, 22.4%)
CIE-LAB	lab(50.43, 43.27, 39.26)
CIE-LCH	lch(50.43, 58.43, 42.22°)
OKLab	oklab(58.91% 0.1229 0.0888)
OKLCH	oklch(58.91% 0.152 35.8)
XYZ	xyz(27.2295, 18.7822, 5.8051)
Luminance	0.1878 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C65537 #37A8C6

analogous

#C63761 #C65537 #C69C37

triadic

#C65537 #37C655 #5537C6

tetradic

#C65537 #61C637 #37A8C6 #9C37C6

square

#C65537 #61C637 #37A8C6 #9C37C6

split-complementary

#C65537 #37C69C #3761C6

monochromatic

#662C1C #96402A #C65537 #D47D66 #E2A696

Accessibility & contrast

On white

4.42

#C65537 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#C65537 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C65537

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C65537	#FFFFFF	#000000	##000000
##C65537	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#746933

Deuteranopia (green-blind)

#908134

Tritanopia (blue-blind)

#D93C4E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #c65537;
/* rgb */ color: rgb(198, 85, 55);
/* oklch */ color: oklch(58.9% 0.152 35.8);

Tailwind

colors: {
  custom: {
    50: '#de886f',
    500: '#c65537',
    950: '#000000',
  },
}

SCSS

$custom: #c65537;
$custom-light: #de886f;
$custom-dark: #000000;

JSON

{
  "hex": "#c65537",
  "rgb": {
    "r": 198,
    "g": 85,
    "b": 55
  },
  "hsl": {
    "h": 12.587,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58906,
    "c": 0.15157,
    "h": 35.8
  },
  "luminance": 0.18779
}

Semantic roles & 50–950 ramp

primary

#C65537

secondary

#8CBFCD

accent

#C0E048

background

#FEF8F6

surface

#FDF0EC

border

#D5CBC7

text

#170C07

muted

#857D7A

Preview Lab

Preview with #C65537

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

Preview Lab → · Contrast checker → · Palette generator →