#C43F2F#C43F2F

#C43F2F is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.7% C 0.172 H 30.2°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#C43F2F
RGB	rgb(196, 63, 47)
HSL	hsl(6, 61%, 48%)
HSV	hsv(6, 76%, 77%)
CMYK	cmyk(0%, 67.9%, 76%, 23.1%)
CIE-LAB	lab(46.31, 52.03, 39.00)
CIE-LCH	lch(46.31, 65.02, 36.86°)
OKLab	oklab(55.71% 0.1487 0.0865)
OKLCH	oklch(55.71% 0.172 30.2)
XYZ	xyz(25.0584, 15.4997, 4.3611)
Luminance	0.1550 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43F2F #2FB4C4

analogous

#C42F69 #C43F2F #C4892F

triadic

#C43F2F #2FC43F #3F2FC4

tetradic

#C43F2F #69C42F #2FB4C4 #892FC4

square

#C43F2F #69C42F #2FB4C4 #892FC4

split-complementary

#C43F2F #2FC489 #2F69C4

monochromatic

#611F17 #932F23 #C43F2F #D76759 #E3948A

Accessibility & contrast

On white

5.12

#C43F2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C43F2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43F2F

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43F2F	#FFFFFF	#000000	##FFFFFF
##C43F2F	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)

#655B2C

Deuteranopia (green-blind)

#86782A

Tritanopia (blue-blind)

#D8143C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c43f2f;
/* rgb */ color: rgb(196, 63, 47);
/* oklch */ color: oklch(55.7% 0.172 30.2);

Tailwind

colors: {
  custom: {
    50: '#de7b69',
    500: '#c43f2f',
    950: '#000000',
  },
}

SCSS

$custom: #c43f2f;
$custom-light: #de7b69;
$custom-dark: #000000;

JSON

{
  "hex": "#c43f2f",
  "rgb": {
    "r": 196,
    "g": 63,
    "b": 47
  },
  "hsl": {
    "h": 6.443,
    "s": 61.317,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55707,
    "c": 0.17206,
    "h": 30.2
  },
  "luminance": 0.15496
}

Semantic roles & 50–950 ramp

primary

#C43F2F

secondary

#82C5CD

accent

#D3E443

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43F2F

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

Preview Lab → · Contrast checker → · Palette generator →