#C42829#C42829

#C42829 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.5% C 0.192 H 26.4°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#C42829
RGB	rgb(196, 40, 41)
HSL	hsl(360, 66%, 46%)
HSV	hsv(360, 80%, 77%)
CMYK	cmyk(0%, 79.6%, 79.1%, 23.1%)
CIE-LAB	lab(43.39, 59.74, 39.24)
CIE-LCH	lch(43.39, 71.47, 33.30°)
OKLab	oklab(53.5% 0.1717 0.0853)
OKLCH	oklch(53.5% 0.192 26.4)
XYZ	xyz(23.9269, 13.4173, 3.4274)
Luminance	0.1341 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42829 #28C4C3

analogous

#C42877 #C42829 #C47528

triadic

#C42829 #29C428 #2829C4

tetradic

#C42829 #77C428 #28C4C3 #7528C4

square

#C42829 #77C428 #28C4C3 #7528C4

split-complementary

#C42829 #28C475 #2877C4

monochromatic

#5E1314 #911E1E #C42829 #DB4E4F #E58182

Accessibility & contrast

On white

5.70

#C42829 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#C42829 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42829

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42829	#FFFFFF	#000000	##FFFFFF
##C42829	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5127

Deuteranopia (green-blind)

#807322

Tritanopia (blue-blind)

#D8002B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c42829;
/* rgb */ color: rgb(196, 40, 41);
/* oklch */ color: oklch(53.5% 0.192 26.4);

Tailwind

colors: {
  custom: {
    50: '#e07164',
    500: '#c42829',
    950: '#000000',
  },
}

SCSS

$custom: #c42829;
$custom-light: #e07164;
$custom-dark: #000000;

JSON

{
  "hex": "#c42829",
  "rgb": {
    "r": 196,
    "g": 40,
    "b": 41
  },
  "hsl": {
    "h": 359.615,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53504,
    "c": 0.19174,
    "h": 26.4
  },
  "luminance": 0.13413
}

Semantic roles & 50–950 ramp

primary

#C42829

secondary

#7ACECE

accent

#E9E83F

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C42829

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

Preview Lab → · Contrast checker → · Palette generator →