#B41833#B41833

#B41833 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.7% C 0.186 H 19.8°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#B41833
RGB	rgb(180, 24, 51)
HSL	hsl(350, 76%, 40%)
HSV	hsv(350, 87%, 71%)
CMYK	cmyk(0%, 86.7%, 71.7%, 29.4%)
CIE-LAB	lab(38.90, 59.52, 27.41)
CIE-LCH	lch(38.90, 65.53, 24.73°)
OKLab	oklab(49.65% 0.1754 0.063)
OKLCH	oklch(49.65% 0.186 19.8)
XYZ	xyz(19.7489, 10.5988, 4.1373)
Luminance	0.1060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41833 #18B499

analogous

#B41881 #B41833 #B44B18

triadic

#B41833 #33B418 #1833B4

tetradic

#B41833 #81B418 #18B499 #4B18B4

square

#B41833 #81B418 #18B499 #4B18B4

split-complementary

#B41833 #18B44B #1881B4

monochromatic

#480A14 #7E1124 #B41833 #E22747 #E95D75

Accessibility & contrast

On white

6.73

#B41833 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#B41833 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41833

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41833	#FFFFFF	#000000	##FFFFFF
##B41833	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4733

Deuteranopia (green-blind)

#72672E

Tritanopia (blue-blind)

#C60025

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41833;
/* rgb */ color: rgb(180, 24, 51);
/* oklch */ color: oklch(49.7% 0.186 19.8);

Tailwind

colors: {
  custom: {
    50: '#d36a6a',
    500: '#b41833',
    950: '#000000',
  },
}

SCSS

$custom: #b41833;
$custom-light: #d36a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b41833",
  "rgb": {
    "r": 180,
    "g": 24,
    "b": 51
  },
  "hsl": {
    "h": 349.615,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.49653,
    "c": 0.18636,
    "h": 19.8
  },
  "luminance": 0.10596
}

Semantic roles & 50–950 ramp

primary

#B41833

secondary

#5BCDB9

accent

#F3D235

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160706

muted

#847A7A

Preview Lab

Preview with #B41833

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

Preview Lab → · Contrast checker → · Palette generator →