#C03F3C#C03F3C

#C03F3C is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.2% C 0.166 H 25.5°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#C03F3C
RGB	rgb(192, 63, 60)
HSL	hsl(1, 52%, 49%)
HSV	hsv(1, 69%, 75%)
CMYK	cmyk(0%, 67.2%, 68.7%, 24.7%)
CIE-LAB	lab(45.76, 51.29, 30.77)
CIE-LCH	lch(45.76, 59.81, 30.97°)
OKLab	oklab(55.21% 0.1495 0.0714)
OKLCH	oklch(55.21% 0.166 25.5)
XYZ	xyz(24.3339, 15.0912, 5.9056)
Luminance	0.1509 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03F3C #3CBDC0

analogous

#C03C7B #C03F3C #C0813C

triadic

#C03F3C #3CC03F #3F3CC0

tetradic

#C03F3C #7BC03C #3CBDC0 #813CC0

square

#C03F3C #7BC03C #3CBDC0 #813CC0

split-complementary

#C03F3C #3CC081 #3C7BC0

monochromatic

#63201F #91302D #C03F3C #D06B69 #DF9998

Accessibility & contrast

On white

5.23

#C03F3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C03F3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03F3C

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03F3C	#FFFFFF	#000000	##FFFFFF
##C03F3C	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3B

Deuteranopia (green-blind)

#837738

Tritanopia (blue-blind)

#D31C40

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c03f3c;
/* rgb */ color: rgb(192, 63, 60);
/* oklch */ color: oklch(55.2% 0.166 25.5);

Tailwind

colors: {
  custom: {
    50: '#db7b72',
    500: '#c03f3c',
    950: '#000000',
  },
}

SCSS

$custom: #c03f3c;
$custom-light: #db7b72;
$custom-dark: #000000;

JSON

{
  "hex": "#c03f3c",
  "rgb": {
    "r": 192,
    "g": 63,
    "b": 60
  },
  "hsl": {
    "h": 1.364,
    "s": 52.381,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55213,
    "c": 0.16572,
    "h": 25.5
  },
  "luminance": 0.15088
}

Semantic roles & 50–950 ramp

primary

#C03F3C

secondary

#8DC9CA

accent

#D9DC4C

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C03F3C

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

Preview Lab → · Contrast checker → · Palette generator →