#C43F2E#C43F2E

#C43F2E is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.7% C 0.172 H 30.5°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#C43F2E
RGB	rgb(196, 63, 46)
HSL	hsl(7, 62%, 47%)
HSV	hsv(7, 77%, 77%)
CMYK	cmyk(0%, 67.9%, 76.5%, 23.1%)
CIE-LAB	lab(46.30, 51.99, 39.54)
CIE-LCH	lch(46.30, 65.31, 37.26°)
OKLab	oklab(55.7% 0.1484 0.0874)
OKLCH	oklch(55.7% 0.172 30.5)
XYZ	xyz(25.0384, 15.4918, 4.2560)
Luminance	0.1549 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43F2E #2EB3C4

analogous

#C42E68 #C43F2E #C48A2E

triadic

#C43F2E #2EC43F #3F2EC4

tetradic

#C43F2E #68C42E #2EB3C4 #8A2EC4

square

#C43F2E #68C42E #2EB3C4 #8A2EC4

split-complementary

#C43F2E #2EC48A #2E68C4

monochromatic

#611F17 #922F22 #C43F2E #D86658 #E39389

Accessibility & contrast

On white

5.12

#C43F2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C43F2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43F2E

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43F2E	#FFFFFF	#000000	##FFFFFF
##C43F2E	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655B2B

Deuteranopia (green-blind)

#867829

Tritanopia (blue-blind)

#D8143C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c43f2e;
/* rgb */ color: rgb(196, 63, 46);
/* oklch */ color: oklch(55.7% 0.172 30.5);

Tailwind

colors: {
  custom: {
    50: '#de7b68',
    500: '#c43f2e',
    950: '#000000',
  },
}

SCSS

$custom: #c43f2e;
$custom-light: #de7b68;
$custom-dark: #000000;

JSON

{
  "hex": "#c43f2e",
  "rgb": {
    "r": 196,
    "g": 63,
    "b": 46
  },
  "hsl": {
    "h": 6.8,
    "s": 61.983,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55696,
    "c": 0.17224,
    "h": 30.5
  },
  "luminance": 0.15488
}

Semantic roles & 50–950 ramp

primary

#C43F2E

secondary

#81C4CD

accent

#D3E543

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43F2E

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

Preview Lab → · Contrast checker → · Palette generator →