#C43F4B#C43F4B

#C43F4B is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.1% C 0.169 H 19.4°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#C43F4B
RGB	rgb(196, 63, 75)
HSL	hsl(355, 53%, 51%)
HSV	hsv(355, 68%, 77%)
CMYK	cmyk(0%, 67.9%, 61.7%, 23.1%)
CIE-LAB	lab(46.71, 53.48, 23.17)
CIE-LCH	lch(46.71, 58.29, 23.42°)
OKLab	oklab(56.14% 0.159 0.056)
OKLCH	oklch(56.14% 0.169 19.4)
XYZ	xyz(25.8150, 15.8024, 8.3461)
Luminance	0.1580 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43F4B #3FC4B8

analogous

#C43F8E #C43F4B #C4753F

triadic

#C43F4B #4BC43F #3F4BC4

tetradic

#C43F4B #8EC43F #3FC4B8 #753FC4

square

#C43F4B #8EC43F #3FC4B8 #753FC4

split-complementary

#C43F4B #3FC475 #3F8EC4

monochromatic

#682027 #972E38 #C43F4B #D26E77 #E19DA3

Accessibility & contrast

On white

5.05

#C43F4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#C43F4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43F4B

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43F4B	#FFFFFF	#000000	##FFFFFF
##C43F4B	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625D4B

Deuteranopia (green-blind)

#847947

Tritanopia (blue-blind)

#D71F44

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c43f4b;
/* rgb */ color: rgb(196, 63, 75);
/* oklch */ color: oklch(56.1% 0.169 19.4);

Tailwind

colors: {
  custom: {
    50: '#dd7c7d',
    500: '#c43f4b',
    950: '#000000',
  },
}

SCSS

$custom: #c43f4b;
$custom-light: #dd7c7d;
$custom-dark: #000000;

JSON

{
  "hex": "#c43f4b",
  "rgb": {
    "r": 196,
    "g": 63,
    "b": 75
  },
  "hsl": {
    "h": 354.586,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56138,
    "c": 0.16854,
    "h": 19.4
  },
  "luminance": 0.15799
}

Semantic roles & 50–950 ramp

primary

#C43F4B

secondary

#92CDC8

accent

#DCCF4B

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#160A09

muted

#847C7B

Preview Lab

Preview with #C43F4B

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

Preview Lab → · Contrast checker → · Palette generator →