#B41B23#B41B23

#B41B23 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.6% C 0.186 H 25.4°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#B41B23
RGB	rgb(180, 27, 35)
HSL	hsl(357, 74%, 41%)
HSV	hsv(357, 85%, 71%)
CMYK	cmyk(0%, 85%, 80.6%, 29.4%)
CIE-LAB	lab(38.92, 58.28, 37.02)
CIE-LCH	lch(38.92, 69.04, 32.42°)
OKLab	oklab(49.6% 0.1678 0.0798)
OKLCH	oklch(49.6% 0.186 25.4)
XYZ	xyz(19.5201, 10.6117, 2.6103)
Luminance	0.1061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41B23 #1BB4AC

analogous

#B41B6F #B41B23 #B4601B

triadic

#B41B23 #23B41B #1B23B4

tetradic

#B41B23 #6FB41B #1BB4AC #601BB4

square

#B41B23 #6FB41B #1BB4AC #601BB4

split-complementary

#B41B23 #1BB460 #1B6FB4

monochromatic

#4A0B0E #7F1319 #B41B23 #DF2D36 #E76269

Accessibility & contrast

On white

6.73

#B41B23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#B41B23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41B23

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41B23	#FFFFFF	#000000	##FFFFFF
##B41B23	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)

#4F4721

Deuteranopia (green-blind)

#74671C

Tritanopia (blue-blind)

#C70021

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41b23;
/* rgb */ color: rgb(180, 27, 35);
/* oklch */ color: oklch(49.6% 0.186 25.4);

Tailwind

colors: {
  custom: {
    50: '#d46a5f',
    500: '#b41b23',
    950: '#000000',
  },
}

SCSS

$custom: #b41b23;
$custom-light: #d46a5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b41b23",
  "rgb": {
    "r": 180,
    "g": 27,
    "b": 35
  },
  "hsl": {
    "h": 356.863,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49604,
    "c": 0.18581,
    "h": 25.4
  },
  "luminance": 0.10609
}

Semantic roles & 50–950 ramp

primary

#B41B23

secondary

#5FCCC6

accent

#F1E737

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #B41B23

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

Preview Lab → · Contrast checker → · Palette generator →