#C43833#C43833

#C43833 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.0% C 0.178 H 26.9°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#C43833
RGB	rgb(196, 56, 51)
HSL	hsl(2, 59%, 48%)
HSV	hsv(2, 74%, 77%)
CMYK	cmyk(0%, 71.4%, 74%, 23.1%)
CIE-LAB	lab(45.37, 54.89, 35.73)
CIE-LCH	lch(45.37, 65.50, 33.06°)
OKLab	oklab(55.02% 0.1586 0.0804)
OKLCH	oklch(55.02% 0.178 26.9)
XYZ	xyz(24.7795, 14.8069, 4.6846)
Luminance	0.1480 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43833 #33BFC4

analogous

#C43376 #C43833 #C48033

triadic

#C43833 #33C438 #3833C4

tetradic

#C43833 #76C433 #33BFC4 #8033C4

square

#C43833 #76C433 #33BFC4 #8033C4

split-complementary

#C43833 #33C480 #3376C4

monochromatic

#631C1A #932A26 #C43833 #D5635F #E2928F

Accessibility & contrast

On white

5.30

#C43833 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C43833 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43833

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43833	#FFFFFF	#000000	##FFFFFF
##C43833	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615831

Deuteranopia (green-blind)

#84762E

Tritanopia (blue-blind)

#D80038

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43833;
/* rgb */ color: rgb(196, 56, 51);
/* oklch */ color: oklch(55.0% 0.178 26.9);

Tailwind

colors: {
  custom: {
    50: '#de786b',
    500: '#c43833',
    950: '#000000',
  },
}

SCSS

$custom: #c43833;
$custom-light: #de786b;
$custom-dark: #000000;

JSON

{
  "hex": "#c43833",
  "rgb": {
    "r": 196,
    "g": 56,
    "b": 51
  },
  "hsl": {
    "h": 2.069,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55017,
    "c": 0.17776,
    "h": 26.9
  },
  "luminance": 0.14803
}

Semantic roles & 50–950 ramp

primary

#C43833

secondary

#86CACD

accent

#DDE246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43833

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

Preview Lab → · Contrast checker → · Palette generator →