#B41535#B41535

#B41535 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.5% C 0.188 H 18.7°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#B41535
RGB	rgb(180, 21, 53)
HSL	hsl(348, 79%, 39%)
HSV	hsv(348, 88%, 71%)
CMYK	cmyk(0%, 88.3%, 70.6%, 29.4%)
CIE-LAB	lab(38.73, 60.19, 25.96)
CIE-LCH	lch(38.73, 65.55, 23.33°)
OKLab	oklab(49.54% 0.178 0.0602)
OKLCH	oklch(49.54% 0.188 18.7)
XYZ	xyz(19.7355, 10.4999, 4.3550)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41535 #15B494

analogous

#B41584 #B41535 #B44515

triadic

#B41535 #35B415 #1535B4

tetradic

#B41535 #84B415 #15B494 #4515B4

square

#B41535 #84B415 #15B494 #4515B4

split-complementary

#B41535 #15B445 #1584B4

monochromatic

#460815 #7D0F25 #B41535 #E52149 #EC5876

Accessibility & contrast

On white

6.78

#B41535 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#B41535 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41535

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41535	#FFFFFF	#000000	##FFFFFF
##B41535	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4635

Deuteranopia (green-blind)

#716730

Tritanopia (blue-blind)

#C60025

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b41535;
/* rgb */ color: rgb(180, 21, 53);
/* oklch */ color: oklch(49.5% 0.188 18.7);

Tailwind

colors: {
  custom: {
    50: '#d3696c',
    500: '#b41535',
    950: '#000000',
  },
}

SCSS

$custom: #b41535;
$custom-light: #d3696c;
$custom-dark: #000000;

JSON

{
  "hex": "#b41535",
  "rgb": {
    "r": 180,
    "g": 21,
    "b": 53
  },
  "hsl": {
    "h": 347.925,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49536,
    "c": 0.18789,
    "h": 18.7
  },
  "luminance": 0.10497
}

Semantic roles & 50–950 ramp

primary

#B41535

secondary

#56CFB6

accent

#F6CE32

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160706

muted

#847A7A

Preview Lab

Preview with #B41535

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

Preview Lab → · Contrast checker → · Palette generator →