#C43139#C43139

#C43139 is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.4% C 0.183 H 23.1°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#C43139
RGB	rgb(196, 49, 57)
HSL	hsl(357, 60%, 48%)
HSV	hsv(357, 75%, 77%)
CMYK	cmyk(0%, 75%, 70.9%, 23.1%)
CIE-LAB	lab(44.56, 57.61, 31.30)
CIE-LCH	lch(44.56, 65.56, 28.51°)
OKLab	oklab(54.44% 0.1685 0.0719)
OKLCH	oklch(54.44% 0.183 23.1)
XYZ	xyz(24.6046, 14.2316, 5.3215)
Luminance	0.1423 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43139 #31C4BC

analogous

#C43182 #C43139 #C47331

triadic

#C43139 #39C431 #3139C4

tetradic

#C43139 #82C431 #31C4BC #7331C4

square

#C43139 #82C431 #31C4BC #7331C4

split-complementary

#C43139 #31C473 #3182C4

monochromatic

#62191D #93252B #C43139 #D65C63 #E28D92

Accessibility & contrast

On white

5.46

#C43139 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#C43139 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43139

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43139	#FFFFFF	#000000	##FFFFFF
##C43139	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5538

Deuteranopia (green-blind)

#817534

Tritanopia (blue-blind)

#D80036

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c43139;
/* rgb */ color: rgb(196, 49, 57);
/* oklch */ color: oklch(54.4% 0.183 23.1);

Tailwind

colors: {
  custom: {
    50: '#de756f',
    500: '#c43139',
    950: '#000000',
  },
}

SCSS

$custom: #c43139;
$custom-light: #de756f;
$custom-dark: #000000;

JSON

{
  "hex": "#c43139",
  "rgb": {
    "r": 196,
    "g": 49,
    "b": 57
  },
  "hsl": {
    "h": 356.735,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54442,
    "c": 0.18315,
    "h": 23.1
  },
  "luminance": 0.14228
}

Semantic roles & 50–950 ramp

primary

#C43139

secondary

#84CDC9

accent

#E3DB45

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C43139

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

Preview Lab → · Contrast checker → · Palette generator →