#C03B37#C03B37

#C03B37 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.7% C 0.170 H 26.2°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#C03B37
RGB	rgb(192, 59, 55)
HSL	hsl(2, 55%, 48%)
HSV	hsv(2, 71%, 75%)
CMYK	cmyk(0%, 69.3%, 71.4%, 24.7%)
CIE-LAB	lab(45.10, 52.64, 32.92)
CIE-LCH	lch(45.10, 62.09, 32.02°)
OKLab	oklab(54.7% 0.1528 0.0753)
OKLCH	oklch(54.7% 0.17 26.2)
XYZ	xyz(23.9944, 14.6138, 5.1710)
Luminance	0.1461 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03B37 #37BCC0

analogous

#C03777 #C03B37 #C07F37

triadic

#C03B37 #37C03B #3B37C0

tetradic

#C03B37 #77C037 #37BCC0 #7F37C0

square

#C03B37 #77C037 #37BCC0 #7F37C0

split-complementary

#C03B37 #37C07F #3777C0

monochromatic

#611E1C #902C29 #C03B37 #D26562 #E09492

Accessibility & contrast

On white

5.35

#C03B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#C03B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03B37

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03B37	#FFFFFF	#000000	##FFFFFF
##C03B37	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615835

Deuteranopia (green-blind)

#827533

Tritanopia (blue-blind)

#D3103B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c03b37;
/* rgb */ color: rgb(192, 59, 55);
/* oklch */ color: oklch(54.7% 0.170 26.2);

Tailwind

colors: {
  custom: {
    50: '#db796e',
    500: '#c03b37',
    950: '#000000',
  },
}

SCSS

$custom: #c03b37;
$custom-light: #db796e;
$custom-dark: #000000;

JSON

{
  "hex": "#c03b37",
  "rgb": {
    "r": 192,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.752,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54698,
    "c": 0.17032,
    "h": 26.2
  },
  "luminance": 0.1461
}

Semantic roles & 50–950 ramp

primary

#C03B37

secondary

#88C9CB

accent

#DADF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C03B37

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

Preview Lab → · Contrast checker → · Palette generator →