#B41C1F#B41C1F

#B41C1F is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.6% C 0.186 H 26.7°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#B41C1F
RGB	rgb(180, 28, 31)
HSL	hsl(359, 73%, 41%)
HSV	hsv(359, 84%, 71%)
CMYK	cmyk(0%, 84.4%, 82.8%, 29.4%)
CIE-LAB	lab(38.96, 57.93, 39.29)
CIE-LCH	lch(38.96, 70.00, 34.14°)
OKLab	oklab(49.62% 0.1659 0.0833)
OKLCH	oklch(49.62% 0.186 26.7)
XYZ	xyz(19.4874, 10.6360, 2.3229)
Luminance	0.1063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41C1F #1CB4B1

analogous

#B41C6B #B41C1F #B4651C

triadic

#B41C1F #1FB41C #1C1FB4

tetradic

#B41C1F #6BB41C #1CB4B1 #651CB4

square

#B41C1F #6BB41C #1CB4B1 #651CB4

split-complementary

#B41C1F #1CB465 #1C6BB4

monochromatic

#4A0C0D #7F1416 #B41C1F #DF2F32 #E76466

Accessibility & contrast

On white

6.72

#B41C1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#B41C1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41C1F

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41C1F	#FFFFFF	#000000	##FFFFFF
##B41C1F	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F471D

Deuteranopia (green-blind)

#746717

Tritanopia (blue-blind)

#C70020

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41c1f;
/* rgb */ color: rgb(180, 28, 31);
/* oklch */ color: oklch(49.6% 0.186 26.7);

Tailwind

colors: {
  custom: {
    50: '#d56a5c',
    500: '#b41c1f',
    950: '#000000',
  },
}

SCSS

$custom: #b41c1f;
$custom-light: #d56a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b41c1f",
  "rgb": {
    "r": 180,
    "g": 28,
    "b": 31
  },
  "hsl": {
    "h": 358.816,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49623,
    "c": 0.18564,
    "h": 26.7
  },
  "luminance": 0.10633
}

Semantic roles & 50–950 ramp

primary

#B41C1F

secondary

#60CCCA

accent

#F0EC38

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #B41C1F

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

Preview Lab → · Contrast checker → · Palette generator →