#C4282B#C4282B

#C4282B is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.5% C 0.192 H 25.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#C4282B
RGB	rgb(196, 40, 43)
HSL	hsl(359, 66%, 46%)
HSV	hsv(359, 80%, 77%)
CMYK	cmyk(0%, 79.6%, 78.1%, 23.1%)
CIE-LAB	lab(43.41, 59.80, 38.14)
CIE-LCH	lch(43.41, 70.93, 32.53°)
OKLab	oklab(53.53% 0.1724 0.0835)
OKLCH	oklch(53.53% 0.192 25.8)
XYZ	xyz(23.9627, 13.4316, 3.6159)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4282B #28C4C1

analogous

#C42879 #C4282B #C47328

triadic

#C4282B #2BC428 #282BC4

tetradic

#C4282B #79C428 #28C4C1 #7328C4

square

#C4282B #79C428 #28C4C1 #7328C4

split-complementary

#C4282B #28C473 #2879C4

monochromatic

#5E1315 #911E20 #C4282B #DB4E51 #E58183

Accessibility & contrast

On white

5.70

#C4282B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#C4282B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4282B

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4282B	#FFFFFF	#000000	##FFFFFF
##C4282B	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5129

Deuteranopia (green-blind)

#807324

Tritanopia (blue-blind)

#D8002B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c4282b;
/* rgb */ color: rgb(196, 40, 43);
/* oklch */ color: oklch(53.5% 0.192 25.8);

Tailwind

colors: {
  custom: {
    50: '#e07165',
    500: '#c4282b',
    950: '#000000',
  },
}

SCSS

$custom: #c4282b;
$custom-light: #e07165;
$custom-dark: #000000;

JSON

{
  "hex": "#c4282b",
  "rgb": {
    "r": 196,
    "g": 40,
    "b": 43
  },
  "hsl": {
    "h": 358.846,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53526,
    "c": 0.19153,
    "h": 25.8
  },
  "luminance": 0.13428
}

Semantic roles & 50–950 ramp

primary

#C4282B

secondary

#7ACECC

accent

#E9E63F

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C4282B

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

Preview Lab → · Contrast checker → · Palette generator →