#C03943#C03943

#C03943 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.7% C 0.171 H 20.9°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#C03943
RGB	rgb(192, 57, 67)
HSL	hsl(356, 54%, 49%)
HSV	hsv(356, 70%, 75%)
CMYK	cmyk(0%, 70.3%, 65.1%, 24.7%)
CIE-LAB	lab(45.00, 54.05, 25.66)
CIE-LCH	lch(45.00, 59.83, 25.40°)
OKLab	oklab(54.68% 0.1597 0.061)
OKLCH	oklch(54.68% 0.171 20.9)
XYZ	xyz(24.2170, 14.5415, 6.8407)
Luminance	0.1454 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03943 #39C0B6

analogous

#C03987 #C03943 #C07339

triadic

#C03943 #43C039 #3943C0

tetradic

#C03943 #87C039 #39C0B6 #7339C0

square

#C03943 #87C039 #39C0B6 #7339C0

split-complementary

#C03943 #39C073 #3987C0

monochromatic

#621D22 #912B33 #C03943 #D1656D #DF949A

Accessibility & contrast

On white

5.37

#C03943 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#C03943 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03943

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03943	#FFFFFF	#000000	##FFFFFF
##C03943	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5842

Deuteranopia (green-blind)

#80753F

Tritanopia (blue-blind)

#D3103E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03943;
/* rgb */ color: rgb(192, 57, 67);
/* oklch */ color: oklch(54.7% 0.171 20.9);

Tailwind

colors: {
  custom: {
    50: '#da7877',
    500: '#c03943',
    950: '#000000',
  },
}

SCSS

$custom: #c03943;
$custom-light: #da7877;
$custom-dark: #000000;

JSON

{
  "hex": "#c03943",
  "rgb": {
    "r": 192,
    "g": 57,
    "b": 67
  },
  "hsl": {
    "h": 355.556,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54681,
    "c": 0.17097,
    "h": 20.9
  },
  "luminance": 0.14538
}

Semantic roles & 50–950 ramp

primary

#C03943

secondary

#8ACBC6

accent

#DED34A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C03943

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

Preview Lab → · Contrast checker → · Palette generator →