#C03D3F#C03D3F

#C03D3F is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.0% C 0.167 H 23.7°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#C03D3F
RGB	rgb(192, 61, 63)
HSL	hsl(359, 52%, 50%)
HSV	hsv(359, 68%, 75%)
CMYK	cmyk(0%, 68.2%, 67.2%, 24.7%)
CIE-LAB	lab(45.51, 52.26, 28.69)
CIE-LCH	lch(45.51, 59.62, 28.77°)
OKLab	oklab(55.04% 0.1532 0.0673)
OKLCH	oklch(55.04% 0.167 23.7)
XYZ	xyz(24.3067, 14.9063, 6.2990)
Luminance	0.1490 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03D3F #3DC0BE

analogous

#C03D81 #C03D3F #C07D3D

triadic

#C03D3F #3FC03D #3D3FC0

tetradic

#C03D3F #81C03D #3DC0BE #7D3DC0

square

#C03D3F #81C03D #3DC0BE #7D3DC0

split-complementary

#C03D3F #3DC07D #3D81C0

monochromatic

#631F21 #922E30 #C03D3F #D06A6C #DF999A

Accessibility & contrast

On white

5.28

#C03D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C03D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03D3F

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03D3F	#FFFFFF	#000000	##FFFFFF
##C03D3F	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3E

Deuteranopia (green-blind)

#82763B

Tritanopia (blue-blind)

#D3193F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c03d3f;
/* rgb */ color: rgb(192, 61, 63);
/* oklch */ color: oklch(55.0% 0.167 23.7);

Tailwind

colors: {
  custom: {
    50: '#da7a74',
    500: '#c03d3f',
    950: '#000000',
  },
}

SCSS

$custom: #c03d3f;
$custom-light: #da7a74;
$custom-dark: #000000;

JSON

{
  "hex": "#c03d3f",
  "rgb": {
    "r": 192,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 359.084,
    "s": 51.779,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55038,
    "c": 0.16734,
    "h": 23.7
  },
  "luminance": 0.14903
}

Semantic roles & 50–950 ramp

primary

#C03D3F

secondary

#8ECAC9

accent

#DBD94D

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C03D3F

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

Preview Lab → · Contrast checker → · Palette generator →