#B52B30#B52B30

#B52B30 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.174 H 24.2°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#B52B30
RGB	rgb(181, 43, 48)
HSL	hsl(358, 62%, 44%)
HSV	hsv(358, 76%, 71%)
CMYK	cmyk(0%, 76.2%, 73.5%, 29%)
CIE-LAB	lab(40.85, 54.62, 31.58)
CIE-LCH	lch(40.85, 63.09, 30.04°)
OKLab	oklab(51.12% 0.1589 0.0715)
OKLCH	oklch(51.12% 0.174 24.2)
XYZ	xyz(20.4558, 11.7681, 3.9901)
Luminance	0.1177 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52B30 #2BB5B0

analogous

#B52B75 #B52B30 #B56B2B

triadic

#B52B30 #30B52B #2B30B5

tetradic

#B52B30 #75B52B #2BB5B0 #6B2BB5

square

#B52B30 #75B52B #2BB5B0 #6B2BB5

split-complementary

#B52B30 #2BB56B #2B75B5

monochromatic

#521416 #841F23 #B52B30 #D4494E #E07B7E

Accessibility & contrast

On white

6.26

#B52B30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B52B30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B30

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52B30	#FFFFFF	#000000	##FFFFFF
##B52B30	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D2F

Deuteranopia (green-blind)

#776B2B

Tritanopia (blue-blind)

#C7002F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52b30;
/* rgb */ color: rgb(181, 43, 48);
/* oklch */ color: oklch(51.1% 0.174 24.2);

Tailwind

colors: {
  custom: {
    50: '#d47068',
    500: '#b52b30',
    950: '#000000',
  },
}

SCSS

$custom: #b52b30;
$custom-light: #d47068;
$custom-dark: #000000;

JSON

{
  "hex": "#b52b30",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 48
  },
  "hsl": {
    "h": 357.826,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51118,
    "c": 0.17425,
    "h": 24.2
  },
  "luminance": 0.11765
}

Semantic roles & 50–950 ramp

primary

#B52B30

secondary

#74C8C5

accent

#E5DF43

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52B30

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

Preview Lab → · Contrast checker → · Palette generator →