#B72F51#B72F51

#B72F51 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.5% C 0.172 H 11.1°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B72F51
RGB	rgb(183, 47, 81)
HSL	hsl(345, 59%, 45%)
HSV	hsv(345, 74%, 72%)
CMYK	cmyk(0%, 74.3%, 55.7%, 28.2%)
CIE-LAB	lab(42.30, 55.84, 13.17)
CIE-LCH	lch(42.30, 57.37, 13.27°)
OKLab	oklab(52.46% 0.1691 0.0331)
OKLCH	oklch(52.46% 0.172 11.1)
XYZ	xyz(22.0322, 12.6975, 9.0737)
Luminance	0.1269 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F51 #2FB795

analogous

#B72F95 #B72F51 #B7512F

triadic

#B72F51 #51B72F #2F51B7

tetradic

#B72F51 #95B72F #2FB795 #512FB7

square

#B72F51 #95B72F #2FB795 #512FB7

split-complementary

#B72F51 #2FB751 #2F95B7

monochromatic

#561626 #86223B #B72F51 #D25171 #DF8299

Accessibility & contrast

On white

5.93

#B72F51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B72F51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F51

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F51	#FFFFFF	#000000	##FFFFFF
##B72F51	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525252

Deuteranopia (green-blind)

#766E4E

Tritanopia (blue-blind)

#C8053D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b72f51;
/* rgb */ color: rgb(183, 47, 81);
/* oklch */ color: oklch(52.5% 0.172 11.1);

Tailwind

colors: {
  custom: {
    50: '#d37381',
    500: '#b72f51',
    950: '#000000',
  },
}

SCSS

$custom: #b72f51;
$custom-light: #d37381;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f51",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 81
  },
  "hsl": {
    "h": 345,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52462,
    "c": 0.17227,
    "h": 11.1
  },
  "luminance": 0.12694
}

Semantic roles & 50–950 ramp

primary

#B72F51

secondary

#7AC8B4

accent

#E2BB45

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B72F51

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

Preview Lab → · Contrast checker → · Palette generator →