#C43D40#C43D40

#C43D40 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.7% C 0.171 H 23.5°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#C43D40
RGB	rgb(196, 61, 64)
HSL	hsl(359, 53%, 50%)
HSV	hsv(359, 69%, 77%)
CMYK	cmyk(0%, 68.9%, 67.3%, 23.1%)
CIE-LAB	lab(46.24, 53.62, 29.16)
CIE-LCH	lch(46.24, 61.04, 28.54°)
OKLab	oklab(55.73% 0.1572 0.0683)
OKLCH	oklch(55.73% 0.171 23.5)
XYZ	xyz(25.3618, 15.4471, 6.4956)
Luminance	0.1544 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43D40 #3DC4C1

analogous

#C43D83 #C43D40 #C47E3D

triadic

#C43D40 #40C43D #3D40C4

tetradic

#C43D40 #83C43D #3DC4C1 #7E3DC4

square

#C43D40 #83C43D #3DC4C1 #7E3DC4

split-complementary

#C43D40 #3DC47E #3D83C4

monochromatic

#671F21 #962E30 #C43D40 #D26C6E #E19B9C

Accessibility & contrast

On white

5.14

#C43D40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#C43D40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43D40

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43D40	#FFFFFF	#000000	##FFFFFF
##C43D40	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3F

Deuteranopia (green-blind)

#84783C

Tritanopia (blue-blind)

#D7153F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c43d40;
/* rgb */ color: rgb(196, 61, 64);
/* oklch */ color: oklch(55.7% 0.171 23.5);

Tailwind

colors: {
  custom: {
    50: '#dd7b75',
    500: '#c43d40',
    950: '#000000',
  },
}

SCSS

$custom: #c43d40;
$custom-light: #dd7b75;
$custom-dark: #000000;

JSON

{
  "hex": "#c43d40",
  "rgb": {
    "r": 196,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 358.667,
    "s": 53.36,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55725,
    "c": 0.17143,
    "h": 23.5
  },
  "luminance": 0.15443
}

Semantic roles & 50–950 ramp

primary

#C43D40

secondary

#90CDCB

accent

#DDDA4B

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43D40

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

Preview Lab → · Contrast checker → · Palette generator →