#C43A31#C43A31

#C43A31 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.2% C 0.176 H 28.1°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C43A31
RGB	rgb(196, 58, 49)
HSL	hsl(4, 60%, 48%)
HSV	hsv(4, 75%, 77%)
CMYK	cmyk(0%, 70.4%, 75%, 23.1%)
CIE-LAB	lab(45.62, 54.06, 37.14)
CIE-LCH	lch(45.62, 65.59, 34.49°)
OKLab	oklab(55.2% 0.1555 0.0829)
OKLCH	oklch(55.2% 0.176 28.1)
XYZ	xyz(24.8352, 14.9874, 4.4903)
Luminance	0.1498 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A31 #31BBC4

analogous

#C43172 #C43A31 #C48331

triadic

#C43A31 #31C43A #3A31C4

tetradic

#C43A31 #72C431 #31BBC4 #8331C4

square

#C43A31 #72C431 #31BBC4 #8331C4

split-complementary

#C43A31 #31C483 #3172C4

monochromatic

#621D19 #932C25 #C43A31 #D6635C #E2928D

Accessibility & contrast

On white

5.25

#C43A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C43A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A31

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A31	#FFFFFF	#000000	##FFFFFF
##C43A31	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592F

Deuteranopia (green-blind)

#84772C

Tritanopia (blue-blind)

#D80239

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43a31;
/* rgb */ color: rgb(196, 58, 49);
/* oklch */ color: oklch(55.2% 0.176 28.1);

Tailwind

colors: {
  custom: {
    50: '#de796a',
    500: '#c43a31',
    950: '#000000',
  },
}

SCSS

$custom: #c43a31;
$custom-light: #de796a;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a31",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 49
  },
  "hsl": {
    "h": 3.673,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55195,
    "c": 0.17626,
    "h": 28.1
  },
  "luminance": 0.14984
}

Semantic roles & 50–950 ramp

primary

#C43A31

secondary

#84C8CD

accent

#D9E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43A31

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

Preview Lab → · Contrast checker → · Palette generator →