#B42C28#B42C28

#B42C28 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.173 H 27.2°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#B42C28
RGB	rgb(180, 44, 40)
HSL	hsl(2, 64%, 43%)
HSV	hsv(2, 78%, 71%)
CMYK	cmyk(0%, 75.6%, 77.8%, 29.4%)
CIE-LAB	lab(40.67, 53.66, 36.00)
CIE-LCH	lch(40.67, 64.61, 33.86°)
OKLab	oklab(50.92% 0.1543 0.0792)
OKLCH	oklch(50.92% 0.173 27.2)
XYZ	xyz(20.1085, 11.6610, 3.1991)
Luminance	0.1166 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42C28 #28B0B4

analogous

#B4286A #B42C28 #B47228

triadic

#B42C28 #28B42C #2C28B4

tetradic

#B42C28 #6AB428 #28B0B4 #7228B4

square

#B42C28 #6AB428 #28B0B4 #7228B4

split-complementary

#B42C28 #28B472 #286AB4

monochromatic

#501412 #82201D #B42C28 #D54844 #E17976

Accessibility & contrast

On white

6.30

#B42C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B42C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42C28

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42C28	#FFFFFF	#000000	##FFFFFF
##B42C28	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D26

Deuteranopia (green-blind)

#776B22

Tritanopia (blue-blind)

#C6002D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42c28;
/* rgb */ color: rgb(180, 44, 40);
/* oklch */ color: oklch(50.9% 0.173 27.2);

Tailwind

colors: {
  custom: {
    50: '#d37063',
    500: '#b42c28',
    950: '#000000',
  },
}

SCSS

$custom: #b42c28;
$custom-light: #d37063;
$custom-dark: #000000;

JSON

{
  "hex": "#b42c28",
  "rgb": {
    "r": 180,
    "g": 44,
    "b": 40
  },
  "hsl": {
    "h": 1.714,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50923,
    "c": 0.1734,
    "h": 27.2
  },
  "luminance": 0.11658
}

Semantic roles & 50–950 ramp

primary

#B42C28

secondary

#70C6C8

accent

#E2E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B42C28

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

Preview Lab → · Contrast checker → · Palette generator →