#B41B3A#B41B3A

#B41B3A is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.9% C 0.184 H 17.4°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#B41B3A
RGB	rgb(180, 27, 58)
HSL	hsl(348, 74%, 41%)
HSV	hsv(348, 85%, 71%)
CMYK	cmyk(0%, 85%, 67.8%, 29.4%)
CIE-LAB	lab(39.23, 59.22, 23.45)
CIE-LCH	lch(39.23, 63.69, 21.60°)
OKLab	oklab(49.94% 0.176 0.0553)
OKLCH	oklch(49.94% 0.184 17.4)
XYZ	xyz(19.9803, 10.7958, 5.0339)
Luminance	0.1079 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41B3A #1BB495

analogous

#B41B86 #B41B3A #B4481B

triadic

#B41B3A #3AB41B #1B3AB4

tetradic

#B41B3A #86B41B #1BB495 #481BB4

square

#B41B3A #86B41B #1BB495 #481BB4

split-complementary

#B41B3A #1BB448 #1B86B4

monochromatic

#4A0B18 #7F1329 #B41B3A #DF2D51 #E7627D

Accessibility & contrast

On white

6.65

#B41B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#B41B3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41B3A

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41B3A	#FFFFFF	#000000	##FFFFFF
##B41B3A	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C483A

Deuteranopia (green-blind)

#726835

Tritanopia (blue-blind)

#C60029

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41b3a;
/* rgb */ color: rgb(180, 27, 58);
/* oklch */ color: oklch(49.9% 0.184 17.4);

Tailwind

colors: {
  custom: {
    50: '#d36b6f',
    500: '#b41b3a',
    950: '#000000',
  },
}

SCSS

$custom: #b41b3a;
$custom-light: #d36b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b41b3a",
  "rgb": {
    "r": 180,
    "g": 27,
    "b": 58
  },
  "hsl": {
    "h": 347.843,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49939,
    "c": 0.18448,
    "h": 17.4
  },
  "luminance": 0.10793
}

Semantic roles & 50–950 ramp

primary

#B41B3A

secondary

#5FCCB6

accent

#F1CB37

background

#FEF6F6

surface

#FCECEC

border

#D5C7C7

text

#160807

muted

#847A7A

Preview Lab

Preview with #B41B3A

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

Preview Lab → · Contrast checker → · Palette generator →