#C5423A#C5423A

#C5423A is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.4% C 0.168 H 27.3°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#C5423A
RGB	rgb(197, 66, 58)
HSL	hsl(3, 55%, 50%)
HSV	hsv(3, 71%, 77%)
CMYK	cmyk(0%, 66.5%, 70.6%, 22.7%)
CIE-LAB	lab(47.07, 51.62, 33.71)
CIE-LCH	lch(47.07, 61.66, 33.15°)
OKLab	oklab(56.36% 0.1496 0.0773)
OKLCH	oklch(56.36% 0.168 27.3)
XYZ	xyz(25.7406, 16.0759, 5.7497)
Luminance	0.1607 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5423A #3ABDC5

analogous

#C53A78 #C5423A #C5873A

triadic

#C5423A #3AC542 #423AC5

tetradic

#C5423A #78C53A #3ABDC5 #873AC5

square

#C5423A #78C53A #3ABDC5 #873AC5

split-complementary

#C5423A #3AC587 #3A78C5

monochromatic

#66221E #96322C #C5423A #D36F69 #E19D99

Accessibility & contrast

On white

4.98

#C5423A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#C5423A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5423A

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5423A	#FFFFFF	#000000	##FFFFFF
##C5423A	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E38

Deuteranopia (green-blind)

#877A36

Tritanopia (blue-blind)

#D81E41

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #c5423a;
/* rgb */ color: rgb(197, 66, 58);
/* oklch */ color: oklch(56.4% 0.168 27.3);

Tailwind

colors: {
  custom: {
    50: '#de7d70',
    500: '#c5423a',
    950: '#000000',
  },
}

SCSS

$custom: #c5423a;
$custom-light: #de7d70;
$custom-dark: #000000;

JSON

{
  "hex": "#c5423a",
  "rgb": {
    "r": 197,
    "g": 66,
    "b": 58
  },
  "hsl": {
    "h": 3.453,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.56355,
    "c": 0.16839,
    "h": 27.3
  },
  "luminance": 0.16072
}

Semantic roles & 50–950 ramp

primary

#C5423A

secondary

#8EC9CD

accent

#D5DE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C5423A

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

Preview Lab → · Contrast checker → · Palette generator →