#C43F3E#C43F3E

#C43F3E is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.9% C 0.170 H 24.9°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C43F3E
RGB	rgb(196, 63, 62)
HSL	hsl(0, 53%, 51%)
HSV	hsv(0, 68%, 77%)
CMYK	cmyk(0%, 67.9%, 68.4%, 23.1%)
CIE-LAB	lab(46.50, 52.72, 30.66)
CIE-LCH	lch(46.50, 60.99, 30.18°)
OKLab	oklab(55.91% 0.154 0.0713)
OKLCH	oklch(55.91% 0.17 24.9)
XYZ	xyz(25.4147, 15.6422, 6.2375)
Luminance	0.1564 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43F3E #3EC3C4

analogous

#C43E80 #C43F3E #C4823E

triadic

#C43F3E #3EC43F #3F3EC4

tetradic

#C43F3E #80C43E #3EC3C4 #823EC4

square

#C43F3E #80C43E #3EC3C4 #823EC4

split-complementary

#C43F3E #3EC482 #3E80C4

monochromatic

#682020 #972F2E #C43F3E #D26E6D #E19C9C

Accessibility & contrast

On white

5.09

#C43F3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C43F3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43F3E

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43F3E	#FFFFFF	#000000	##FFFFFF
##C43F3E	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)

#645C3D

Deuteranopia (green-blind)

#85793A

Tritanopia (blue-blind)

#D71A40

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c43f3e;
/* rgb */ color: rgb(196, 63, 62);
/* oklch */ color: oklch(55.9% 0.170 24.9);

Tailwind

colors: {
  custom: {
    50: '#dd7c73',
    500: '#c43f3e',
    950: '#000000',
  },
}

SCSS

$custom: #c43f3e;
$custom-light: #dd7c73;
$custom-dark: #000000;

JSON

{
  "hex": "#c43f3e",
  "rgb": {
    "r": 196,
    "g": 63,
    "b": 62
  },
  "hsl": {
    "h": 0.448,
    "s": 53.175,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55911,
    "c": 0.16969,
    "h": 24.9
  },
  "luminance": 0.15639
}

Semantic roles & 50–950 ramp

primary

#C43F3E

secondary

#91CCCD

accent

#DBDD4B

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43F3E

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

Preview Lab → · Contrast checker → · Palette generator →