#C43535#C43535

#C43535 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.8% C 0.180 H 25.4°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#C43535
RGB	rgb(196, 53, 53)
HSL	hsl(0, 57%, 49%)
HSV	hsv(0, 73%, 77%)
CMYK	cmyk(0%, 73%, 73%, 23.1%)
CIE-LAB	lab(45.00, 56.06, 34.16)
CIE-LCH	lch(45.00, 65.65, 31.35°)
OKLab	oklab(54.75% 0.1627 0.0774)
OKLCH	oklch(54.75% 0.18 25.4)
XYZ	xyz(24.6835, 14.5428, 4.8748)
Luminance	0.1454 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43535 #35C4C4

analogous

#C4357D #C43535 #C47D35

triadic

#C43535 #35C435 #3535C4

tetradic

#C43535 #7DC435 #35C4C4 #7D35C4

square

#C43535 #7DC435 #35C4C4 #7D35C4

split-complementary

#C43535 #35C47D #357DC4

monochromatic

#641B1B #942828 #C43535 #D46262 #E19292

Accessibility & contrast

On white

5.37

#C43535 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#C43535 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43535

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43535	#FFFFFF	#000000	##FFFFFF
##C43535	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5733

Deuteranopia (green-blind)

#837630

Tritanopia (blue-blind)

#D80037

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c43535;
/* rgb */ color: rgb(196, 53, 53);
/* oklch */ color: oklch(54.8% 0.180 25.4);

Tailwind

colors: {
  custom: {
    50: '#de776c',
    500: '#c43535',
    950: '#000000',
  },
}

SCSS

$custom: #c43535;
$custom-light: #de776c;
$custom-dark: #000000;

JSON

{
  "hex": "#c43535",
  "rgb": {
    "r": 196,
    "g": 53,
    "b": 53
  },
  "hsl": {
    "h": 0,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54751,
    "c": 0.18014,
    "h": 25.4
  },
  "luminance": 0.14539
}

Semantic roles & 50–950 ramp

primary

#C43535

secondary

#88CCCC

accent

#E1E147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C43535

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

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