#B52C28#B52C28

#B52C28 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.174 H 27.2°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#B52C28
RGB	rgb(181, 44, 40)
HSL	hsl(2, 64%, 43%)
HSV	hsv(2, 78%, 71%)
CMYK	cmyk(0%, 75.7%, 77.9%, 29%)
CIE-LAB	lab(40.87, 53.97, 36.26)
CIE-LCH	lch(40.87, 65.02, 33.90°)
OKLab	oklab(51.1% 0.1551 0.0797)
OKLCH	oklch(51.1% 0.174 27.2)
XYZ	xyz(20.3422, 11.7815, 3.2100)
Luminance	0.1178 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52C28 #28B1B5

analogous

#B5286A #B52C28 #B57228

triadic

#B52C28 #28B52C #2C28B5

tetradic

#B52C28 #6AB528 #28B1B5 #7228B5

square

#B52C28 #6AB528 #28B1B5 #7228B5

split-complementary

#B52C28 #28B572 #286AB5

monochromatic

#511412 #83201D #B52C28 #D64944 #E17A77

Accessibility & contrast

On white

6.26

#B52C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B52C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52C28

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52C28	#FFFFFF	#000000	##FFFFFF
##B52C28	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D26

Deuteranopia (green-blind)

#786B22

Tritanopia (blue-blind)

#C8002D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52c28;
/* rgb */ color: rgb(181, 44, 40);
/* oklch */ color: oklch(51.1% 0.174 27.2);

Tailwind

colors: {
  custom: {
    50: '#d47063',
    500: '#b52c28',
    950: '#000000',
  },
}

SCSS

$custom: #b52c28;
$custom-light: #d47063;
$custom-dark: #000000;

JSON

{
  "hex": "#b52c28",
  "rgb": {
    "r": 181,
    "g": 44,
    "b": 40
  },
  "hsl": {
    "h": 1.702,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51103,
    "c": 0.1744,
    "h": 27.2
  },
  "luminance": 0.11778
}

Semantic roles & 50–950 ramp

primary

#B52C28

secondary

#70C6C8

accent

#E2E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B52C28

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

Preview Lab → · Contrast checker → · Palette generator →