#C43D3A#C43D3A

#C43D3A is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.6% C 0.172 H 25.8°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#C43D3A
RGB	rgb(196, 61, 58)
HSL	hsl(1, 54%, 50%)
HSV	hsv(1, 70%, 77%)
CMYK	cmyk(0%, 68.9%, 70.4%, 23.1%)
CIE-LAB	lab(46.15, 53.31, 32.59)
CIE-LCH	lch(46.15, 62.48, 31.44°)
OKLab	oklab(55.63% 0.155 0.0749)
OKLCH	oklch(55.63% 0.172 25.8)
XYZ	xyz(25.2002, 15.3824, 5.6443)
Luminance	0.1538 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43D3A #3AC1C4

analogous

#C43A7C #C43D3A #C4823A

triadic

#C43D3A #3AC43D #3D3AC4

tetradic

#C43D3A #7CC43A #3AC1C4 #823AC4

square

#C43D3A #7CC43A #3AC1C4 #823AC4

split-complementary

#C43D3A #3AC482 #3A7CC4

monochromatic

#66201E #952E2C #C43D3A #D36B69 #E09998

Accessibility & contrast

On white

5.15

#C43D3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#C43D3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43D3A

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43D3A	#FFFFFF	#000000	##FFFFFF
##C43D3A	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B38

Deuteranopia (green-blind)

#857836

Tritanopia (blue-blind)

#D7133E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c43d3a;
/* rgb */ color: rgb(196, 61, 58);
/* oklch */ color: oklch(55.6% 0.172 25.8);

Tailwind

colors: {
  custom: {
    50: '#de7b70',
    500: '#c43d3a',
    950: '#000000',
  },
}

SCSS

$custom: #c43d3a;
$custom-light: #de7b70;
$custom-dark: #000000;

JSON

{
  "hex": "#c43d3a",
  "rgb": {
    "r": 196,
    "g": 61,
    "b": 58
  },
  "hsl": {
    "h": 1.304,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55632,
    "c": 0.17217,
    "h": 25.8
  },
  "luminance": 0.15379
}

Semantic roles & 50–950 ramp

primary

#C43D3A

secondary

#8ECBCC

accent

#DADE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43D3A

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

Preview Lab → · Contrast checker → · Palette generator →