#C43F3D#C43F3D

#C43F3D is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.9% C 0.170 H 25.2°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C43F3D
RGB	rgb(196, 63, 61)
HSL	hsl(1, 53%, 50%)
HSV	hsv(1, 69%, 77%)
CMYK	cmyk(0%, 67.9%, 68.9%, 23.1%)
CIE-LAB	lab(46.49, 52.66, 31.23)
CIE-LCH	lch(46.49, 61.23, 30.67°)
OKLab	oklab(55.9% 0.1536 0.0724)
OKLCH	oklch(55.9% 0.17 25.2)
XYZ	xyz(25.3875, 15.6314, 6.0943)
Luminance	0.1563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43F3D #3DC2C4

analogous

#C43D7E #C43F3D #C4823D

triadic

#C43F3D #3DC43F #3F3DC4

tetradic

#C43F3D #7EC43D #3DC2C4 #823DC4

square

#C43F3D #7EC43D #3DC2C4 #823DC4

split-complementary

#C43F3D #3DC482 #3D7EC4

monochromatic

#67201F #962F2E #C43F3D #D26D6C #E19C9B

Accessibility & contrast

On white

5.09

#C43F3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C43F3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43F3D

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43F3D	#FFFFFF	#000000	##FFFFFF
##C43F3D	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C3C

Deuteranopia (green-blind)

#857939

Tritanopia (blue-blind)

#D71940

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c43f3d;
/* rgb */ color: rgb(196, 63, 61);
/* oklch */ color: oklch(55.9% 0.170 25.2);

Tailwind

colors: {
  custom: {
    50: '#de7c72',
    500: '#c43f3d',
    950: '#000000',
  },
}

SCSS

$custom: #c43f3d;
$custom-light: #de7c72;
$custom-dark: #000000;

JSON

{
  "hex": "#c43f3d",
  "rgb": {
    "r": 196,
    "g": 63,
    "b": 61
  },
  "hsl": {
    "h": 0.889,
    "s": 53.36,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55895,
    "c": 0.16983,
    "h": 25.2
  },
  "luminance": 0.15628
}

Semantic roles & 50–950 ramp

primary

#C43F3D

secondary

#90CCCD

accent

#DBDD4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43F3D

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

Preview Lab → · Contrast checker → · Palette generator →