#C43439#C43439

#C43439 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.7% C 0.181 H 23.8°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#C43439
RGB	rgb(196, 52, 57)
HSL	hsl(358, 58%, 49%)
HSV	hsv(358, 73%, 77%)
CMYK	cmyk(0%, 73.5%, 70.9%, 23.1%)
CIE-LAB	lab(44.93, 56.60, 31.73)
CIE-LCH	lch(44.93, 64.88, 29.28°)
OKLab	oklab(54.71% 0.1652 0.0728)
OKLCH	oklch(54.71% 0.181 23.8)
XYZ	xyz(24.7342, 14.4909, 5.3647)
Luminance	0.1449 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43439 #34C4BF

analogous

#C43481 #C43439 #C47734

triadic

#C43439 #39C434 #3439C4

tetradic

#C43439 #81C434 #34C4BF #7734C4

square

#C43439 #81C434 #34C4BF #7734C4

split-complementary

#C43439 #34C477 #3481C4

monochromatic

#631A1D #94272B #C43439 #D56064 #E29193

Accessibility & contrast

On white

5.39

#C43439 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#C43439 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43439

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43439	#FFFFFF	#000000	##FFFFFF
##C43439	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5738

Deuteranopia (green-blind)

#827634

Tritanopia (blue-blind)

#D80037

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c43439;
/* rgb */ color: rgb(196, 52, 57);
/* oklch */ color: oklch(54.7% 0.181 23.8);

Tailwind

colors: {
  custom: {
    50: '#de766f',
    500: '#c43439',
    950: '#000000',
  },
}

SCSS

$custom: #c43439;
$custom-light: #de766f;
$custom-dark: #000000;

JSON

{
  "hex": "#c43439",
  "rgb": {
    "r": 196,
    "g": 52,
    "b": 57
  },
  "hsl": {
    "h": 357.917,
    "s": 58.065,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54714,
    "c": 0.18056,
    "h": 23.8
  },
  "luminance": 0.14487
}

Semantic roles & 50–950 ramp

primary

#C43439

secondary

#87CCCA

accent

#E1DC47

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C43439

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

Preview Lab → · Contrast checker → · Palette generator →