#B41B19#B41B19

#B41B19 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.5% C 0.187 H 28.0°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#B41B19
RGB	rgb(180, 27, 25)
HSL	hsl(1, 76%, 40%)
HSV	hsv(1, 86%, 71%)
CMYK	cmyk(0%, 85%, 86.1%, 29.4%)
CIE-LAB	lab(38.83, 58.01, 42.33)
CIE-LCH	lch(38.83, 71.81, 36.11°)
OKLab	oklab(49.51% 0.165 0.0876)
OKLCH	oklch(49.51% 0.187 28)
XYZ	xyz(19.3923, 10.5606, 1.9369)
Luminance	0.1056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41B19 #19B2B4

analogous

#B41965 #B41B19 #B46819

triadic

#B41B19 #19B41B #1B19B4

tetradic

#B41B19 #65B419 #19B2B4 #6819B4

square

#B41B19 #65B419 #19B2B4 #6819B4

split-complementary

#B41B19 #19B468 #1965B4

monochromatic

#490B0A #7E1312 #B41B19 #E12B29 #E9605F

Accessibility & contrast

On white

6.75

#B41B19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#B41B19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41B19

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41B19	#FFFFFF	#000000	##FFFFFF
##B41B19	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4616

Deuteranopia (green-blind)

#74670E

Tritanopia (blue-blind)

#C7001E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b41b19;
/* rgb */ color: rgb(180, 27, 25);
/* oklch */ color: oklch(49.5% 0.187 28.0);

Tailwind

colors: {
  custom: {
    50: '#d56a58',
    500: '#b41b19',
    950: '#000000',
  },
}

SCSS

$custom: #b41b19;
$custom-light: #d56a58;
$custom-dark: #000000;

JSON

{
  "hex": "#b41b19",
  "rgb": {
    "r": 180,
    "g": 27,
    "b": 25
  },
  "hsl": {
    "h": 0.774,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49511,
    "c": 0.18682,
    "h": 28
  },
  "luminance": 0.10557
}

Semantic roles & 50–950 ramp

primary

#B41B19

secondary

#5CCBCD

accent

#F0F236

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160703

muted

#847A78

Preview Lab

Preview with #B41B19

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

Preview Lab → · Contrast checker → · Palette generator →