#B41F3B#B41F3B

#B41F3B is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.2% C 0.182 H 17.6°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B41F3B
RGB	rgb(180, 31, 59)
HSL	hsl(349, 71%, 41%)
HSV	hsv(349, 83%, 71%)
CMYK	cmyk(0%, 82.8%, 67.2%, 29.4%)
CIE-LAB	lab(39.58, 58.32, 23.26)
CIE-LCH	lch(39.58, 62.79, 21.75°)
OKLab	oklab(50.2% 0.1733 0.055)
OKLCH	oklch(50.2% 0.182 17.6)
XYZ	xyz(20.1041, 11.0022, 5.2019)
Luminance	0.1100 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41F3B #1FB498

analogous

#B41F86 #B41F3B #B44E1F

triadic

#B41F3B #3BB41F #1F3BB4

tetradic

#B41F3B #86B41F #1FB498 #4E1FB4

square

#B41F3B #86B41F #1FB498 #4E1FB4

split-complementary

#B41F3B #1FB44E #1F86B4

monochromatic

#4C0D19 #80162A #B41F3B #DC3454 #E56880

Accessibility & contrast

On white

6.56

#B41F3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B41F3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41F3B

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41F3B	#FFFFFF	#000000	##FFFFFF
##B41F3B	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D493B

Deuteranopia (green-blind)

#726837

Tritanopia (blue-blind)

#C6002C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b41f3b;
/* rgb */ color: rgb(180, 31, 59);
/* oklch */ color: oklch(50.2% 0.182 17.6);

Tailwind

colors: {
  custom: {
    50: '#d36c70',
    500: '#b41f3b',
    950: '#000000',
  },
}

SCSS

$custom: #b41f3b;
$custom-light: #d36c70;
$custom-dark: #000000;

JSON

{
  "hex": "#b41f3b",
  "rgb": {
    "r": 180,
    "g": 31,
    "b": 59
  },
  "hsl": {
    "h": 348.725,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50202,
    "c": 0.18186,
    "h": 17.6
  },
  "luminance": 0.10999
}

Semantic roles & 50–950 ramp

primary

#B41F3B

secondary

#64CBB7

accent

#EDCC3A

background

#FEF6F6

surface

#FCECEC

border

#D5C7C7

text

#160807

muted

#847A7A

Preview Lab

Preview with #B41F3B

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

Preview Lab → · Contrast checker → · Palette generator →