#C4302B#C4302B

#C4302B is a mid, vivid red. Relative luminance 0.140; OKLCH L 54.2% C 0.186 H 27.4°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#C4302B
RGB	rgb(196, 48, 43)
HSL	hsl(2, 64%, 47%)
HSV	hsv(2, 78%, 77%)
CMYK	cmyk(0%, 75.5%, 78.1%, 23.1%)
CIE-LAB	lab(44.27, 57.37, 39.05)
CIE-LCH	lch(44.27, 69.40, 34.24°)
OKLab	oklab(54.17% 0.1647 0.0855)
OKLCH	oklch(54.17% 0.186 27.4)
XYZ	xyz(24.2608, 14.0279, 3.7153)
Luminance	0.1402 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4302B #2BBFC4

analogous

#C42B73 #C4302B #C47D2B

triadic

#C4302B #2BC430 #302BC4

tetradic

#C4302B #73C42B #2BBFC4 #7D2BC4

square

#C4302B #73C42B #2BBFC4 #7D2BC4

split-complementary

#C4302B #2BC47D #2B73C4

monochromatic

#601715 #922420 #C4302B #D95753 #E48885

Accessibility & contrast

On white

5.52

#C4302B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#C4302B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4302B

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4302B	#FFFFFF	#000000	##FFFFFF
##C4302B	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5429

Deuteranopia (green-blind)

#827425

Tritanopia (blue-blind)

#D80031

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c4302b;
/* rgb */ color: rgb(196, 48, 43);
/* oklch */ color: oklch(54.2% 0.186 27.4);

Tailwind

colors: {
  custom: {
    50: '#df7465',
    500: '#c4302b',
    950: '#000000',
  },
}

SCSS

$custom: #c4302b;
$custom-light: #df7465;
$custom-dark: #000000;

JSON

{
  "hex": "#c4302b",
  "rgb": {
    "r": 196,
    "g": 48,
    "b": 43
  },
  "hsl": {
    "h": 1.961,
    "s": 64.017,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54171,
    "c": 0.18556,
    "h": 27.4
  },
  "luminance": 0.14024
}

Semantic roles & 50–950 ramp

primary

#C4302B

secondary

#7DCBCE

accent

#E2E741

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C4302B

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

Preview Lab → · Contrast checker → · Palette generator →