#C03F3D#C03F3D

#C03F3D is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.2% C 0.166 H 25.1°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C03F3D
RGB	rgb(192, 63, 61)
HSL	hsl(1, 52%, 50%)
HSV	hsv(1, 68%, 75%)
CMYK	cmyk(0%, 67.2%, 68.2%, 24.7%)
CIE-LAB	lab(45.77, 51.34, 30.20)
CIE-LCH	lch(45.77, 59.57, 30.47°)
OKLab	oklab(55.23% 0.1499 0.0703)
OKLCH	oklch(55.23% 0.166 25.1)
XYZ	xyz(24.3606, 15.1019, 6.0462)
Luminance	0.1510 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03F3D #3DBEC0

analogous

#C03D7D #C03F3D #C0813D

triadic

#C03F3D #3DC03F #3F3DC0

tetradic

#C03F3D #7DC03D #3DBEC0 #813DC0

square

#C03F3D #7DC03D #3DBEC0 #813DC0

split-complementary

#C03F3D #3DC081 #3D7DC0

monochromatic

#63211F #92302E #C03F3D #D06C6A #DF9A99

Accessibility & contrast

On white

5.22

#C03F3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C03F3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03F3D

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03F3D	#FFFFFF	#000000	##FFFFFF
##C03F3D	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3C

Deuteranopia (green-blind)

#837739

Tritanopia (blue-blind)

#D31C40

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c03f3d;
/* rgb */ color: rgb(192, 63, 61);
/* oklch */ color: oklch(55.2% 0.166 25.1);

Tailwind

colors: {
  custom: {
    50: '#da7b72',
    500: '#c03f3d',
    950: '#000000',
  },
}

SCSS

$custom: #c03f3d;
$custom-light: #da7b72;
$custom-dark: #000000;

JSON

{
  "hex": "#c03f3d",
  "rgb": {
    "r": 192,
    "g": 63,
    "b": 61
  },
  "hsl": {
    "h": 0.916,
    "s": 51.779,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55229,
    "c": 0.16558,
    "h": 25.1
  },
  "luminance": 0.15098
}

Semantic roles & 50–950 ramp

primary

#C03F3D

secondary

#8EC9CA

accent

#D9DB4D

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C03F3D

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

Preview Lab → · Contrast checker → · Palette generator →