#C43931#C43931

#C43931 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.1% C 0.177 H 27.8°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#C43931
RGB	rgb(196, 57, 49)
HSL	hsl(3, 60%, 48%)
HSV	hsv(3, 75%, 77%)
CMYK	cmyk(0%, 70.9%, 75%, 23.1%)
CIE-LAB	lab(45.48, 54.44, 36.99)
CIE-LCH	lch(45.48, 65.82, 34.19°)
OKLab	oklab(55.09% 0.1567 0.0826)
OKLCH	oklch(55.09% 0.177 27.8)
XYZ	xyz(24.7853, 14.8875, 4.4736)
Luminance	0.1488 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43931 #31BCC4

analogous

#C43173 #C43931 #C48231

triadic

#C43931 #31C439 #3931C4

tetradic

#C43931 #73C431 #31BCC4 #8231C4

square

#C43931 #73C431 #31BCC4 #8231C4

split-complementary

#C43931 #31C482 #3173C4

monochromatic

#621D19 #932B25 #C43931 #D6635C #E2928D

Accessibility & contrast

On white

5.28

#C43931 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C43931 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43931

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43931	#FFFFFF	#000000	##FFFFFF
##C43931	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62582F

Deuteranopia (green-blind)

#84772C

Tritanopia (blue-blind)

#D80039

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43931;
/* rgb */ color: rgb(196, 57, 49);
/* oklch */ color: oklch(55.1% 0.177 27.8);

Tailwind

colors: {
  custom: {
    50: '#df796a',
    500: '#c43931',
    950: '#000000',
  },
}

SCSS

$custom: #c43931;
$custom-light: #df796a;
$custom-dark: #000000;

JSON

{
  "hex": "#c43931",
  "rgb": {
    "r": 196,
    "g": 57,
    "b": 49
  },
  "hsl": {
    "h": 3.265,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55092,
    "c": 0.17716,
    "h": 27.8
  },
  "luminance": 0.14884
}

Semantic roles & 50–950 ramp

primary

#C43931

secondary

#84C9CD

accent

#DBE345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43931

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

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