#B41F1A#B41F1A

#B41F1A is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.184 H 28.4°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#B41F1A
RGB	rgb(180, 31, 26)
HSL	hsl(2, 75%, 40%)
HSV	hsv(2, 86%, 71%)
CMYK	cmyk(0%, 82.8%, 85.6%, 29.4%)
CIE-LAB	lab(39.18, 57.08, 42.12)
CIE-LCH	lch(39.18, 70.94, 36.42°)
OKLab	oklab(49.77% 0.1623 0.0876)
OKLCH	oklch(49.77% 0.184 28.4)
XYZ	xyz(19.5013, 10.7611, 2.0274)
Luminance	0.1076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41F1A #1AAFB4

analogous

#B41A62 #B41F1A #B46C1A

triadic

#B41F1A #1AB41F #1F1AB4

tetradic

#B41F1A #62B41A #1AAFB4 #6C1AB4

square

#B41F1A #62B41A #1AAFB4 #6C1AB4

split-complementary

#B41F1A #1AB46C #1A62B4

monochromatic

#490D0B #7F1612 #B41F1A #E0312B #E86560

Accessibility & contrast

On white

6.66

#B41F1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B41F1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41F1A

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41F1A	#FFFFFF	#000000	##FFFFFF
##B41F1A	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514817

Deuteranopia (green-blind)

#756810

Tritanopia (blue-blind)

#C70020

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41f1a;
/* rgb */ color: rgb(180, 31, 26);
/* oklch */ color: oklch(49.8% 0.184 28.4);

Tailwind

colors: {
  custom: {
    50: '#d56b59',
    500: '#b41f1a',
    950: '#000000',
  },
}

SCSS

$custom: #b41f1a;
$custom-light: #d56b59;
$custom-dark: #000000;

JSON

{
  "hex": "#b41f1a",
  "rgb": {
    "r": 180,
    "g": 31,
    "b": 26
  },
  "hsl": {
    "h": 1.948,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49769,
    "c": 0.18439,
    "h": 28.4
  },
  "luminance": 0.10758
}

Semantic roles & 50–950 ramp

primary

#B41F1A

secondary

#5DC9CC

accent

#EBF136

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160803

muted

#847A78

Preview Lab

Preview with #B41F1A

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

Preview Lab → · Contrast checker → · Palette generator →