#C43E3A#C43E3A

#C43E3A is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.7% C 0.171 H 26.1°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#C43E3A
RGB	rgb(196, 62, 58)
HSL	hsl(2, 54%, 50%)
HSV	hsv(2, 70%, 77%)
CMYK	cmyk(0%, 68.4%, 70.4%, 23.1%)
CIE-LAB	lab(46.30, 52.91, 32.76)
CIE-LCH	lch(46.30, 62.23, 31.76°)
OKLab	oklab(55.74% 0.1538 0.0753)
OKLCH	oklch(55.74% 0.171 26.1)
XYZ	xyz(25.2540, 15.4902, 5.6623)
Luminance	0.1549 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43E3A #3AC0C4

analogous

#C43A7B #C43E3A #C4833A

triadic

#C43E3A #3AC43E #3E3AC4

tetradic

#C43E3A #7BC43A #3AC0C4 #833AC4

square

#C43E3A #7BC43A #3AC0C4 #833AC4

split-complementary

#C43E3A #3AC483 #3A7BC4

monochromatic

#66201E #952F2C #C43E3A #D36C69 #E09A98

Accessibility & contrast

On white

5.13

#C43E3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C43E3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43E3A

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43E3A	#FFFFFF	#000000	##FFFFFF
##C43E3A	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B38

Deuteranopia (green-blind)

#857836

Tritanopia (blue-blind)

#D7163E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c43e3a;
/* rgb */ color: rgb(196, 62, 58);
/* oklch */ color: oklch(55.7% 0.171 26.1);

Tailwind

colors: {
  custom: {
    50: '#de7b70',
    500: '#c43e3a',
    950: '#000000',
  },
}

SCSS

$custom: #c43e3a;
$custom-light: #de7b70;
$custom-dark: #000000;

JSON

{
  "hex": "#c43e3a",
  "rgb": {
    "r": 196,
    "g": 62,
    "b": 58
  },
  "hsl": {
    "h": 1.739,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55741,
    "c": 0.17121,
    "h": 26.1
  },
  "luminance": 0.15486
}

Semantic roles & 50–950 ramp

primary

#C43E3A

secondary

#8ECACC

accent

#D9DE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43E3A

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

Preview Lab → · Contrast checker → · Palette generator →