#C43540#C43540

#C43540 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.9% C 0.179 H 21.4°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#C43540
RGB	rgb(196, 53, 64)
HSL	hsl(355, 57%, 49%)
HSV	hsv(355, 73%, 77%)
CMYK	cmyk(0%, 73%, 67.3%, 23.1%)
CIE-LAB	lab(45.16, 56.60, 27.83)
CIE-LCH	lch(45.16, 63.07, 26.19°)
OKLab	oklab(54.92% 0.1667 0.0653)
OKLCH	oklch(54.92% 0.179 21.4)
XYZ	xyz(24.9662, 14.6559, 6.3638)
Luminance	0.1465 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43540 #35C4B9

analogous

#C43588 #C43540 #C47235

triadic

#C43540 #40C435 #3540C4

tetradic

#C43540 #88C435 #35C4B9 #7235C4

square

#C43540 #88C435 #35C4B9 #7235C4

split-complementary

#C43540 #35C472 #3588C4

monochromatic

#641B21 #942830 #C43540 #D4626B #E19298

Accessibility & contrast

On white

5.34

#C43540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#C43540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43540

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43540	#FFFFFF	#000000	##FFFFFF
##C43540	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E573F

Deuteranopia (green-blind)

#82763C

Tritanopia (blue-blind)

#D7003A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43540;
/* rgb */ color: rgb(196, 53, 64);
/* oklch */ color: oklch(54.9% 0.179 21.4);

Tailwind

colors: {
  custom: {
    50: '#de7774',
    500: '#c43540',
    950: '#000000',
  },
}

SCSS

$custom: #c43540;
$custom-light: #de7774;
$custom-dark: #000000;

JSON

{
  "hex": "#c43540",
  "rgb": {
    "r": 196,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 355.385,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54919,
    "c": 0.17905,
    "h": 21.4
  },
  "luminance": 0.14652
}

Semantic roles & 50–950 ramp

primary

#C43540

secondary

#88CCC7

accent

#E1D547

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170908

muted

#857B7B

Preview Lab

Preview with #C43540

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

Preview Lab → · Contrast checker → · Palette generator →