#C43630#C43630

#C43630 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.8% C 0.180 H 27.3°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#C43630
RGB	rgb(196, 54, 48)
HSL	hsl(2, 61%, 48%)
HSV	hsv(2, 76%, 77%)
CMYK	cmyk(0%, 72.4%, 75.5%, 23.1%)
CIE-LAB	lab(45.07, 55.50, 37.10)
CIE-LCH	lch(45.07, 66.76, 33.76°)
OKLab	oklab(54.78% 0.1598 0.0826)
OKLCH	oklch(54.78% 0.18 27.3)
XYZ	xyz(24.6205, 14.5913, 4.3157)
Luminance	0.1459 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43630 #30BEC4

analogous

#C43074 #C43630 #C48030

triadic

#C43630 #30C436 #3630C4

tetradic

#C43630 #74C430 #30BEC4 #8030C4

square

#C43630 #74C430 #30BEC4 #8030C4

split-complementary

#C43630 #30C480 #3074C4

monochromatic

#621B18 #932824 #C43630 #D7605A #E38F8C

Accessibility & contrast

On white

5.36

#C43630 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#C43630 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43630

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43630	#FFFFFF	#000000	##FFFFFF
##C43630	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572E

Deuteranopia (green-blind)

#83762B

Tritanopia (blue-blind)

#D80036

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43630;
/* rgb */ color: rgb(196, 54, 48);
/* oklch */ color: oklch(54.8% 0.180 27.3);

Tailwind

colors: {
  custom: {
    50: '#df7769',
    500: '#c43630',
    950: '#000000',
  },
}

SCSS

$custom: #c43630;
$custom-light: #df7769;
$custom-dark: #000000;

JSON

{
  "hex": "#c43630",
  "rgb": {
    "r": 196,
    "g": 54,
    "b": 48
  },
  "hsl": {
    "h": 2.432,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54782,
    "c": 0.17993,
    "h": 27.3
  },
  "luminance": 0.14587
}

Semantic roles & 50–950 ramp

primary

#C43630

secondary

#83CACD

accent

#DDE444

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C43630

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

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