#B3272B#B3272B

#B3272B is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.4% C 0.176 H 25.0°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#B3272B
RGB	rgb(179, 39, 43)
HSL	hsl(358, 64%, 43%)
HSV	hsv(358, 78%, 70%)
CMYK	cmyk(0%, 78.2%, 76%, 29.8%)
CIE-LAB	lab(39.94, 55.07, 33.40)
CIE-LCH	lch(39.94, 64.41, 31.24°)
OKLab	oklab(50.35% 0.1595 0.0745)
OKLCH	oklch(50.35% 0.176 25)
XYZ	xyz(19.7543, 11.2123, 3.4091)
Luminance	0.1121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3272B #27B3AF

analogous

#B32771 #B3272B #B36927

triadic

#B3272B #2BB327 #272BB3

tetradic

#B3272B #71B327 #27B3AF #6927B3

square

#B3272B #71B327 #27B3AF #6927B3

split-complementary

#B3272B #27B369 #2771B3

monochromatic

#4E1113 #811C1F #B3272B #D64146 #E17477

Accessibility & contrast

On white

6.48

#B3272B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B3272B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3272B

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3272B	#FFFFFF	#000000	##FFFFFF
##B3272B	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524B2A

Deuteranopia (green-blind)

#756926

Tritanopia (blue-blind)

#C5002A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b3272b;
/* rgb */ color: rgb(179, 39, 43);
/* oklch */ color: oklch(50.4% 0.176 25.0);

Tailwind

colors: {
  custom: {
    50: '#d36e65',
    500: '#b3272b',
    950: '#000000',
  },
}

SCSS

$custom: #b3272b;
$custom-light: #d36e65;
$custom-dark: #000000;

JSON

{
  "hex": "#b3272b",
  "rgb": {
    "r": 179,
    "g": 39,
    "b": 43
  },
  "hsl": {
    "h": 358.286,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50352,
    "c": 0.17601,
    "h": 25
  },
  "luminance": 0.11209
}

Semantic roles & 50–950 ramp

primary

#B3272B

secondary

#6EC8C5

accent

#E7E241

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B3272B

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

Preview Lab → · Contrast checker → · Palette generator →