#C43830#C43830

#C43830 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.0% C 0.178 H 27.8°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#C43830
RGB	rgb(196, 56, 48)
HSL	hsl(3, 61%, 48%)
HSV	hsv(3, 76%, 77%)
CMYK	cmyk(0%, 71.4%, 75.5%, 23.1%)
CIE-LAB	lab(45.33, 54.77, 37.39)
CIE-LCH	lch(45.33, 66.32, 34.32°)
OKLab	oklab(54.98% 0.1576 0.0832)
OKLCH	oklch(54.98% 0.178 27.8)
XYZ	xyz(24.7155, 14.7813, 4.3474)
Luminance	0.1478 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43830 #30BCC4

analogous

#C43072 #C43830 #C48230

triadic

#C43830 #30C438 #3830C4

tetradic

#C43830 #72C430 #30BCC4 #8230C4

square

#C43830 #72C430 #30BCC4 #8230C4

split-complementary

#C43830 #30C482 #3072C4

monochromatic

#621C18 #932A24 #C43830 #D7615A #E3908C

Accessibility & contrast

On white

5.31

#C43830 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C43830 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43830

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43830	#FFFFFF	#000000	##FFFFFF
##C43830	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61582E

Deuteranopia (green-blind)

#84762B

Tritanopia (blue-blind)

#D80038

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43830;
/* rgb */ color: rgb(196, 56, 48);
/* oklch */ color: oklch(55.0% 0.178 27.8);

Tailwind

colors: {
  custom: {
    50: '#df7869',
    500: '#c43830',
    950: '#000000',
  },
}

SCSS

$custom: #c43830;
$custom-light: #df7869;
$custom-dark: #000000;

JSON

{
  "hex": "#c43830",
  "rgb": {
    "r": 196,
    "g": 56,
    "b": 48
  },
  "hsl": {
    "h": 3.243,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54979,
    "c": 0.17819,
    "h": 27.8
  },
  "luminance": 0.14778
}

Semantic roles & 50–950 ramp

primary

#C43830

secondary

#83C9CD

accent

#DBE444

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43830

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

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