#B41C18#B41C18

#B41C18 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.6% C 0.186 H 28.3°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#B41C18
RGB	rgb(180, 28, 24)
HSL	hsl(2, 76%, 40%)
HSV	hsv(2, 87%, 71%)
CMYK	cmyk(0%, 84.4%, 86.7%, 29.4%)
CIE-LAB	lab(38.90, 57.76, 42.89)
CIE-LCH	lch(38.90, 71.94, 36.59°)
OKLab	oklab(49.56% 0.164 0.0884)
OKLCH	oklch(49.56% 0.186 28.3)
XYZ	xyz(19.4050, 10.6030, 1.8888)
Luminance	0.1060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41C18 #18B0B4

analogous

#B41862 #B41C18 #B46A18

triadic

#B41C18 #18B41C #1C18B4

tetradic

#B41C18 #62B418 #18B0B4 #6A18B4

square

#B41C18 #62B418 #18B0B4 #6A18B4

split-complementary

#B41C18 #18B46A #1862B4

monochromatic

#480B0A #7E1411 #B41C18 #E22C27 #E9615D

Accessibility & contrast

On white

6.73

#B41C18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#B41C18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41C18

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41C18	#FFFFFF	#000000	##FFFFFF
##B41C18	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)

#504715

Deuteranopia (green-blind)

#74670D

Tritanopia (blue-blind)

#C7001E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41c18;
/* rgb */ color: rgb(180, 28, 24);
/* oklch */ color: oklch(49.6% 0.186 28.3);

Tailwind

colors: {
  custom: {
    50: '#d56a57',
    500: '#b41c18',
    950: '#000000',
  },
}

SCSS

$custom: #b41c18;
$custom-light: #d56a57;
$custom-dark: #000000;

JSON

{
  "hex": "#b41c18",
  "rgb": {
    "r": 180,
    "g": 28,
    "b": 24
  },
  "hsl": {
    "h": 1.538,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.49563,
    "c": 0.18636,
    "h": 28.3
  },
  "luminance": 0.106
}

Semantic roles & 50–950 ramp

primary

#B41C18

secondary

#5BCACD

accent

#EEF335

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#170703

muted

#857A78

Preview Lab

Preview with #B41C18

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

Preview Lab → · Contrast checker → · Palette generator →