#C43933#C43933

#C43933 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.1% C 0.177 H 27.1°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#C43933
RGB	rgb(196, 57, 51)
HSL	hsl(2, 59%, 48%)
HSV	hsv(2, 74%, 77%)
CMYK	cmyk(0%, 70.9%, 74%, 23.1%)
CIE-LAB	lab(45.50, 54.52, 35.88)
CIE-LCH	lch(45.50, 65.27, 33.35°)
OKLab	oklab(55.12% 0.1574 0.0807)
OKLCH	oklch(55.12% 0.177 27.1)
XYZ	xyz(24.8284, 14.9048, 4.7009)
Luminance	0.1490 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43933 #33BEC4

analogous

#C43375 #C43933 #C48133

triadic

#C43933 #33C439 #3933C4

tetradic

#C43933 #75C433 #33BEC4 #8133C4

square

#C43933 #75C433 #33BEC4 #8133C4

split-complementary

#C43933 #33C481 #3375C4

monochromatic

#631D1A #932B26 #C43933 #D5645F #E2938F

Accessibility & contrast

On white

5.28

#C43933 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C43933 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43933

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43933	#FFFFFF	#000000	##FFFFFF
##C43933	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)

#615831

Deuteranopia (green-blind)

#84772E

Tritanopia (blue-blind)

#D80039

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43933;
/* rgb */ color: rgb(196, 57, 51);
/* oklch */ color: oklch(55.1% 0.177 27.1);

Tailwind

colors: {
  custom: {
    50: '#de796b',
    500: '#c43933',
    950: '#000000',
  },
}

SCSS

$custom: #c43933;
$custom-light: #de796b;
$custom-dark: #000000;

JSON

{
  "hex": "#c43933",
  "rgb": {
    "r": 196,
    "g": 57,
    "b": 51
  },
  "hsl": {
    "h": 2.483,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55117,
    "c": 0.17686,
    "h": 27.1
  },
  "luminance": 0.14901
}

Semantic roles & 50–950 ramp

primary

#C43933

secondary

#86CACD

accent

#DBE246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43933

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

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