#C5423B#C5423B

#C5423B is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.4% C 0.168 H 27.0°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#C5423B
RGB	rgb(197, 66, 59)
HSL	hsl(3, 54%, 50%)
HSV	hsv(3, 70%, 77%)
CMYK	cmyk(0%, 66.5%, 70.1%, 22.7%)
CIE-LAB	lab(47.09, 51.67, 33.15)
CIE-LCH	lch(47.09, 61.39, 32.69°)
OKLab	oklab(56.37% 0.15 0.0763)
OKLCH	oklch(56.37% 0.168 27)
XYZ	xyz(25.7663, 16.0862, 5.8850)
Luminance	0.1608 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5423B #3BBEC5

analogous

#C53B79 #C5423B #C5873B

triadic

#C5423B #3BC542 #423BC5

tetradic

#C5423B #79C53B #3BBEC5 #873BC5

square

#C5423B #79C53B #3BBEC5 #873BC5

split-complementary

#C5423B #3BC587 #3B79C5

monochromatic

#67221F #96322C #C5423B #D3706A #E19D99

Accessibility & contrast

On white

4.98

#C5423B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#C5423B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5423B

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5423B	#FFFFFF	#000000	##FFFFFF
##C5423B	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E39

Deuteranopia (green-blind)

#877A37

Tritanopia (blue-blind)

#D81F41

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #c5423b;
/* rgb */ color: rgb(197, 66, 59);
/* oklch */ color: oklch(56.4% 0.168 27.0);

Tailwind

colors: {
  custom: {
    50: '#de7d71',
    500: '#c5423b',
    950: '#000000',
  },
}

SCSS

$custom: #c5423b;
$custom-light: #de7d71;
$custom-dark: #000000;

JSON

{
  "hex": "#c5423b",
  "rgb": {
    "r": 197,
    "g": 66,
    "b": 59
  },
  "hsl": {
    "h": 3.043,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56369,
    "c": 0.16823,
    "h": 27
  },
  "luminance": 0.16083
}

Semantic roles & 50–950 ramp

primary

#C5423B

secondary

#8FCACD

accent

#D6DE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C5423B

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

Preview Lab → · Contrast checker → · Palette generator →