#C43A39#C43A39

#C43A39 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.175 H 25.3°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#C43A39
RGB	rgb(196, 58, 57)
HSL	hsl(0, 55%, 50%)
HSV	hsv(0, 71%, 77%)
CMYK	cmyk(0%, 70.4%, 70.9%, 23.1%)
CIE-LAB	lab(45.72, 54.42, 32.66)
CIE-LCH	lch(45.72, 63.47, 30.97°)
OKLab	oklab(55.3% 0.1583 0.0749)
OKLCH	oklch(55.3% 0.175 25.3)
XYZ	xyz(25.0193, 15.0610, 5.4598)
Luminance	0.1506 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A39 #39C3C4

analogous

#C4397D #C43A39 #C48039

triadic

#C43A39 #39C43A #3A39C4

tetradic

#C43A39 #7DC439 #39C3C4 #8039C4

square

#C43A39 #7DC439 #39C3C4 #8039C4

split-complementary

#C43A39 #39C480 #397DC4

monochromatic

#651E1D #952C2B #C43A39 #D36867 #E19797

Accessibility & contrast

On white

5.24

#C43A39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C43A39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A39

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A39	#FFFFFF	#000000	##FFFFFF
##C43A39	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615937

Deuteranopia (green-blind)

#847734

Tritanopia (blue-blind)

#D7073B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43a39;
/* rgb */ color: rgb(196, 58, 57);
/* oklch */ color: oklch(55.3% 0.175 25.3);

Tailwind

colors: {
  custom: {
    50: '#de796f',
    500: '#c43a39',
    950: '#000000',
  },
}

SCSS

$custom: #c43a39;
$custom-light: #de796f;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a39",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 57
  },
  "hsl": {
    "h": 0.432,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55302,
    "c": 0.17513,
    "h": 25.3
  },
  "luminance": 0.15057
}

Semantic roles & 50–950 ramp

primary

#C43A39

secondary

#8DCCCC

accent

#DDDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43A39

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

Preview Lab → · Contrast checker → · Palette generator →