#C03F40#C03F40

#C03F40 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.165 H 23.9°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C03F40
RGB	rgb(192, 63, 64)
HSL	hsl(360, 51%, 50%)
HSV	hsv(360, 67%, 75%)
CMYK	cmyk(0%, 67.2%, 66.7%, 24.7%)
CIE-LAB	lab(45.82, 51.51, 28.48)
CIE-LCH	lch(45.82, 58.86, 28.94°)
OKLab	oklab(55.28% 0.151 0.0669)
OKLCH	oklch(55.28% 0.165 23.9)
XYZ	xyz(24.4437, 15.1351, 6.4837)
Luminance	0.1513 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03F40 #3FC0BF

analogous

#C03F80 #C03F40 #C07F3F

triadic

#C03F40 #40C03F #3F40C0

tetradic

#C03F40 #80C03F #3FC0BF #7F3FC0

square

#C03F40 #80C03F #3FC0BF #7F3FC0

split-complementary

#C03F40 #3FC07F #3F80C0

monochromatic

#642121 #923031 #C03F40 #CF6D6E #DE9B9C

Accessibility & contrast

On white

5.22

#C03F40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#C03F40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03F40

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03F40	#FFFFFF	#000000	##FFFFFF
##C03F40	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3F

Deuteranopia (green-blind)

#82773C

Tritanopia (blue-blind)

#D31D41

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c03f40;
/* rgb */ color: rgb(192, 63, 64);
/* oklch */ color: oklch(55.3% 0.165 23.9);

Tailwind

colors: {
  custom: {
    50: '#da7b75',
    500: '#c03f40',
    950: '#000000',
  },
}

SCSS

$custom: #c03f40;
$custom-light: #da7b75;
$custom-dark: #000000;

JSON

{
  "hex": "#c03f40",
  "rgb": {
    "r": 192,
    "g": 63,
    "b": 64
  },
  "hsl": {
    "h": 359.535,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.55277,
    "c": 0.16521,
    "h": 23.9
  },
  "luminance": 0.15132
}

Semantic roles & 50–950 ramp

primary

#C03F40

secondary

#91CACA

accent

#DAD94E

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C03F40

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

Preview Lab → · Contrast checker → · Palette generator →