#B52F40#B52F40

#B52F40 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.170 H 18.7°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B52F40
RGB	rgb(181, 47, 64)
HSL	hsl(352, 59%, 45%)
HSV	hsv(352, 74%, 71%)
CMYK	cmyk(0%, 74%, 64.6%, 29%)
CIE-LAB	lab(41.58, 54.08, 22.73)
CIE-LCH	lch(41.58, 58.67, 22.79°)
OKLab	oklab(51.74% 0.1606 0.0544)
OKLCH	oklch(51.74% 0.17 18.7)
XYZ	xyz(21.0002, 12.2301, 6.1043)
Luminance	0.1223 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52F40 #2FB5A4

analogous

#B52F83 #B52F40 #B5612F

triadic

#B52F40 #40B52F #2F40B5

tetradic

#B52F40 #83B52F #2FB5A4 #612FB5

square

#B52F40 #83B52F #2FB5A4 #612FB5

split-complementary

#B52F40 #2FB561 #2F83B5

monochromatic

#54161E #84222F #B52F40 #D15060 #DE808C

Accessibility & contrast

On white

6.10

#B52F40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B52F40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F40

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52F40	#FFFFFF	#000000	##FFFFFF
##B52F40	1.00	6.10	3.45	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555040

Deuteranopia (green-blind)

#766C3C

Tritanopia (blue-blind)

#C70036

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b52f40;
/* rgb */ color: rgb(181, 47, 64);
/* oklch */ color: oklch(51.7% 0.170 18.7);

Tailwind

colors: {
  custom: {
    50: '#d37274',
    500: '#b52f40',
    950: '#000000',
  },
}

SCSS

$custom: #b52f40;
$custom-light: #d37274;
$custom-dark: #000000;

JSON

{
  "hex": "#b52f40",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 64
  },
  "hsl": {
    "h": 352.388,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51744,
    "c": 0.16959,
    "h": 18.7
  },
  "luminance": 0.12227
}

Semantic roles & 50–950 ramp

primary

#B52F40

secondary

#79C7BD

accent

#E2CE46

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B52F40

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

Preview Lab → · Contrast checker → · Palette generator →