#B52D28#B52D28

#B52D28 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.174 H 27.4°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B52D28
RGB	rgb(181, 45, 40)
HSL	hsl(2, 64%, 43%)
HSV	hsv(2, 78%, 71%)
CMYK	cmyk(0%, 75.1%, 77.9%, 29%)
CIE-LAB	lab(40.99, 53.63, 36.39)
CIE-LCH	lch(40.99, 64.81, 34.16°)
OKLab	oklab(51.19% 0.1541 0.08)
OKLCH	oklch(51.19% 0.174 27.4)
XYZ	xyz(20.3799, 11.8569, 3.2226)
Luminance	0.1185 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52D28 #28B0B5

analogous

#B52869 #B52D28 #B57328

triadic

#B52D28 #28B52D #2D28B5

tetradic

#B52D28 #69B528 #28B0B5 #7328B5

square

#B52D28 #69B528 #28B0B5 #7328B5

split-complementary

#B52D28 #28B573 #2869B5

monochromatic

#511412 #83211D #B52D28 #D64A44 #E17A77

Accessibility & contrast

On white

6.23

#B52D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B52D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52D28

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52D28	#FFFFFF	#000000	##FFFFFF
##B52D28	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E26

Deuteranopia (green-blind)

#786B22

Tritanopia (blue-blind)

#C7002D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52d28;
/* rgb */ color: rgb(181, 45, 40);
/* oklch */ color: oklch(51.2% 0.174 27.4);

Tailwind

colors: {
  custom: {
    50: '#d47163',
    500: '#b52d28',
    950: '#000000',
  },
}

SCSS

$custom: #b52d28;
$custom-light: #d47163;
$custom-dark: #000000;

JSON

{
  "hex": "#b52d28",
  "rgb": {
    "r": 181,
    "g": 45,
    "b": 40
  },
  "hsl": {
    "h": 2.128,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51194,
    "c": 0.17358,
    "h": 27.4
  },
  "luminance": 0.11854
}

Semantic roles & 50–950 ramp

primary

#B52D28

secondary

#70C5C8

accent

#E1E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B52D28

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

Preview Lab → · Contrast checker → · Palette generator →