#B41B33#B41B33

#B41B33 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.8% C 0.185 H 20.2°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#B41B33
RGB	rgb(180, 27, 51)
HSL	hsl(351, 74%, 41%)
HSV	hsv(351, 85%, 71%)
CMYK	cmyk(0%, 85%, 71.7%, 29.4%)
CIE-LAB	lab(39.12, 58.88, 27.68)
CIE-LCH	lch(39.12, 65.06, 25.18°)
OKLab	oklab(49.82% 0.1733 0.0636)
OKLCH	oklch(49.82% 0.185 20.2)
XYZ	xyz(19.8142, 10.7294, 4.1590)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41B33 #1BB49C

analogous

#B41B7F #B41B33 #B44F1B

triadic

#B41B33 #33B41B #1B33B4

tetradic

#B41B33 #7FB41B #1BB49C #4F1BB4

square

#B41B33 #7FB41B #1BB49C #4F1BB4

split-complementary

#B41B33 #1BB44F #1B7FB4

monochromatic

#4A0B15 #7F1324 #B41B33 #DF2D49 #E76277

Accessibility & contrast

On white

6.68

#B41B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B41B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41B33

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41B33	#FFFFFF	#000000	##FFFFFF
##B41B33	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4833

Deuteranopia (green-blind)

#72672E

Tritanopia (blue-blind)

#C60026

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41b33;
/* rgb */ color: rgb(180, 27, 51);
/* oklch */ color: oklch(49.8% 0.185 20.2);

Tailwind

colors: {
  custom: {
    50: '#d36a6a',
    500: '#b41b33',
    950: '#000000',
  },
}

SCSS

$custom: #b41b33;
$custom-light: #d36a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b41b33",
  "rgb": {
    "r": 180,
    "g": 27,
    "b": 51
  },
  "hsl": {
    "h": 350.588,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49818,
    "c": 0.18463,
    "h": 20.2
  },
  "luminance": 0.10726
}

Semantic roles & 50–950 ramp

primary

#B41B33

secondary

#5FCCBB

accent

#F1D337

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160806

muted

#847A7A

Preview Lab

Preview with #B41B33

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

Preview Lab → · Contrast checker → · Palette generator →