#C43D31#C43D31

#C43D31 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.5% C 0.174 H 28.9°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C43D31
RGB	rgb(196, 61, 49)
HSL	hsl(5, 60%, 48%)
HSV	hsv(5, 75%, 77%)
CMYK	cmyk(0%, 68.9%, 75%, 23.1%)
CIE-LAB	lab(46.04, 52.90, 37.60)
CIE-LCH	lch(46.04, 64.91, 35.40°)
OKLab	oklab(55.51% 0.1519 0.084)
OKLCH	oklch(55.51% 0.174 28.9)
XYZ	xyz(24.9909, 15.2987, 4.5422)
Luminance	0.1530 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43D31 #31B8C4

analogous

#C4316E #C43D31 #C48631

triadic

#C43D31 #31C43D #3D31C4

tetradic

#C43D31 #6EC431 #31B8C4 #8631C4

square

#C43D31 #6EC431 #31B8C4 #8631C4

split-complementary

#C43D31 #31C486 #316EC4

monochromatic

#621F19 #932E25 #C43D31 #D6665C #E2948D

Accessibility & contrast

On white

5.17

#C43D31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C43D31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43D31

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43D31	#FFFFFF	#000000	##FFFFFF
##C43D31	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A2F

Deuteranopia (green-blind)

#85782C

Tritanopia (blue-blind)

#D80F3B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c43d31;
/* rgb */ color: rgb(196, 61, 49);
/* oklch */ color: oklch(55.5% 0.174 28.9);

Tailwind

colors: {
  custom: {
    50: '#de7b6a',
    500: '#c43d31',
    950: '#000000',
  },
}

SCSS

$custom: #c43d31;
$custom-light: #de7b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#c43d31",
  "rgb": {
    "r": 196,
    "g": 61,
    "b": 49
  },
  "hsl": {
    "h": 4.898,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55512,
    "c": 0.17355,
    "h": 28.9
  },
  "luminance": 0.15295
}

Semantic roles & 50–950 ramp

primary

#C43D31

secondary

#84C7CD

accent

#D6E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43D31

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

Preview Lab → · Contrast checker → · Palette generator →