#C42B28#C42B28

#C42B28 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.7% C 0.190 H 27.2°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#C42B28
RGB	rgb(196, 43, 40)
HSL	hsl(1, 66%, 46%)
HSV	hsv(1, 80%, 77%)
CMYK	cmyk(0%, 78.1%, 79.6%, 23.1%)
CIE-LAB	lab(43.68, 58.84, 40.10)
CIE-LCH	lch(43.68, 71.20, 34.28°)
OKLab	oklab(53.72% 0.1687 0.0868)
OKLCH	oklch(53.72% 0.19 27.2)
XYZ	xyz(24.0148, 13.6206, 3.3716)
Luminance	0.1362 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42B28 #28C1C4

analogous

#C42873 #C42B28 #C47928

triadic

#C42B28 #28C42B #2B28C4

tetradic

#C42B28 #73C428 #28C1C4 #7928C4

square

#C42B28 #73C428 #28C1C4 #7928C4

split-complementary

#C42B28 #28C479 #2873C4

monochromatic

#5E1513 #91201E #C42B28 #DB514E #E58381

Accessibility & contrast

On white

5.64

#C42B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#C42B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42B28

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42B28	#FFFFFF	#000000	##FFFFFF
##C42B28	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5226

Deuteranopia (green-blind)

#817321

Tritanopia (blue-blind)

#D8002D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c42b28;
/* rgb */ color: rgb(196, 43, 40);
/* oklch */ color: oklch(53.7% 0.190 27.2);

Tailwind

colors: {
  custom: {
    50: '#e07263',
    500: '#c42b28',
    950: '#000000',
  },
}

SCSS

$custom: #c42b28;
$custom-light: #e07263;
$custom-dark: #000000;

JSON

{
  "hex": "#c42b28",
  "rgb": {
    "r": 196,
    "g": 43,
    "b": 40
  },
  "hsl": {
    "h": 1.154,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53723,
    "c": 0.18973,
    "h": 27.2
  },
  "luminance": 0.13617
}

Semantic roles & 50–950 ramp

primary

#C42B28

secondary

#7ACCCE

accent

#E6E93F

background

#FFF7F5

surface

#FEEDEA

border

#D6C8C6

text

#170905

muted

#857B79

Preview Lab

Preview with #C42B28

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

Preview Lab → · Contrast checker → · Palette generator →