#B52F3E#B52F3E

#B52F3E is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.170 H 19.6°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B52F3E
RGB	rgb(181, 47, 62)
HSL	hsl(353, 59%, 45%)
HSV	hsv(353, 74%, 71%)
CMYK	cmyk(0%, 74%, 65.7%, 29%)
CIE-LAB	lab(41.54, 53.97, 23.92)
CIE-LCH	lch(41.54, 59.03, 23.90°)
OKLab	oklab(51.71% 0.1599 0.0568)
OKLCH	oklch(51.71% 0.17 19.6)
XYZ	xyz(20.9443, 12.2077, 5.8100)
Luminance	0.1221 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52F3E #2FB5A6

analogous

#B52F81 #B52F3E #B5632F

triadic

#B52F3E #3EB52F #2F3EB5

tetradic

#B52F3E #81B52F #2FB5A6 #632FB5

square

#B52F3E #81B52F #2FB5A6 #632FB5

split-complementary

#B52F3E #2FB563 #2F81B5

monochromatic

#54161D #84222D #B52F3E #D1505E #DE808B

Accessibility & contrast

On white

6.10

#B52F3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B52F3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F3E

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52F3E	#FFFFFF	#000000	##FFFFFF
##B52F3E	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55503E

Deuteranopia (green-blind)

#776C3A

Tritanopia (blue-blind)

#C70036

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b52f3e;
/* rgb */ color: rgb(181, 47, 62);
/* oklch */ color: oklch(51.7% 0.170 19.6);

Tailwind

colors: {
  custom: {
    50: '#d37273',
    500: '#b52f3e',
    950: '#000000',
  },
}

SCSS

$custom: #b52f3e;
$custom-light: #d37273;
$custom-dark: #000000;

JSON

{
  "hex": "#b52f3e",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 62
  },
  "hsl": {
    "h": 353.284,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51707,
    "c": 0.16967,
    "h": 19.6
  },
  "luminance": 0.12205
}

Semantic roles & 50–950 ramp

primary

#B52F3E

secondary

#79C7BE

accent

#E2D046

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #B52F3E

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

Preview Lab → · Contrast checker → · Palette generator →