#C43138#C43138

#C43138 is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.4% C 0.183 H 23.5°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#C43138
RGB	rgb(196, 49, 56)
HSL	hsl(357, 60%, 48%)
HSV	hsv(357, 75%, 77%)
CMYK	cmyk(0%, 75%, 71.4%, 23.1%)
CIE-LAB	lab(44.55, 57.57, 31.87)
CIE-LCH	lch(44.55, 65.80, 28.97°)
OKLab	oklab(54.43% 0.1681 0.073)
OKLCH	oklch(54.43% 0.183 23.5)
XYZ	xyz(24.5799, 14.2217, 5.1914)
Luminance	0.1422 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43138 #31C4BD

analogous

#C43181 #C43138 #C47331

triadic

#C43138 #38C431 #3138C4

tetradic

#C43138 #81C431 #31C4BD #7331C4

square

#C43138 #81C431 #31C4BD #7331C4

split-complementary

#C43138 #31C473 #3181C4

monochromatic

#62191C #93252A #C43138 #D65C62 #E28D91

Accessibility & contrast

On white

5.46

#C43138 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#C43138 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43138

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43138	#FFFFFF	#000000	##FFFFFF
##C43138	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5537

Deuteranopia (green-blind)

#817533

Tritanopia (blue-blind)

#D80035

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c43138;
/* rgb */ color: rgb(196, 49, 56);
/* oklch */ color: oklch(54.4% 0.183 23.5);

Tailwind

colors: {
  custom: {
    50: '#de756e',
    500: '#c43138',
    950: '#000000',
  },
}

SCSS

$custom: #c43138;
$custom-light: #de756e;
$custom-dark: #000000;

JSON

{
  "hex": "#c43138",
  "rgb": {
    "r": 196,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 357.143,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54427,
    "c": 0.18323,
    "h": 23.5
  },
  "luminance": 0.14218
}

Semantic roles & 50–950 ramp

primary

#C43138

secondary

#84CDC9

accent

#E3DC45

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C43138

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

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