#C03537#C03537

#C03537 is a mid, vivid red. Relative luminance 0.140; OKLCH L 54.1% C 0.176 H 24.6°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#C03537
RGB	rgb(192, 53, 55)
HSL	hsl(359, 57%, 48%)
HSV	hsv(359, 72%, 75%)
CMYK	cmyk(0%, 72.4%, 71.4%, 24.7%)
CIE-LAB	lab(44.28, 54.90, 31.96)
CIE-LCH	lch(44.28, 63.52, 30.20°)
OKLab	oklab(54.09% 0.1599 0.0732)
OKLCH	oklch(54.09% 0.176 24.6)
XYZ	xyz(23.7036, 14.0321, 5.0740)
Luminance	0.1403 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03537 #35C0BE

analogous

#C0357C #C03537 #C07935

triadic

#C03537 #37C035 #3537C0

tetradic

#C03537 #7CC035 #35C0BE #7935C0

square

#C03537 #7CC035 #35C0BE #7935C0

split-complementary

#C03537 #35C079 #357CC0

monochromatic

#601B1C #902829 #C03537 #D35F61 #E08F90

Accessibility & contrast

On white

5.52

#C03537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#C03537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03537

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03537	#FFFFFF	#000000	##FFFFFF
##C03537	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5636

Deuteranopia (green-blind)

#807432

Tritanopia (blue-blind)

#D30037

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c03537;
/* rgb */ color: rgb(192, 53, 55);
/* oklch */ color: oklch(54.1% 0.176 24.6);

Tailwind

colors: {
  custom: {
    50: '#db766e',
    500: '#c03537',
    950: '#000000',
  },
}

SCSS

$custom: #c03537;
$custom-light: #db766e;
$custom-dark: #000000;

JSON

{
  "hex": "#c03537",
  "rgb": {
    "r": 192,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 359.137,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54085,
    "c": 0.17586,
    "h": 24.6
  },
  "luminance": 0.14029
}

Semantic roles & 50–950 ramp

primary

#C03537

secondary

#86CBCA

accent

#E0DE48

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #C03537

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

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