#B41D1B#B41D1B

#B41D1B is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.6% C 0.185 H 27.8°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#B41D1B
RGB	rgb(180, 29, 27)
HSL	hsl(1, 74%, 41%)
HSV	hsv(1, 85%, 71%)
CMYK	cmyk(0%, 83.9%, 85%, 29.4%)
CIE-LAB	lab(39.01, 57.60, 41.46)
CIE-LCH	lch(39.01, 70.97, 35.75°)
OKLab	oklab(49.65% 0.1641 0.0865)
OKLCH	oklch(49.65% 0.185 27.8)
XYZ	xyz(19.4621, 10.6644, 2.0704)
Luminance	0.1066 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41D1B #1BB2B4

analogous

#B41B66 #B41D1B #B4691B

triadic

#B41D1B #1BB41D #1D1BB4

tetradic

#B41D1B #66B41B #1BB2B4 #691BB4

square

#B41D1B #66B41B #1BB2B4 #691BB4

split-complementary

#B41D1B #1BB469 #1B66B4

monochromatic

#4A0C0B #7F1413 #B41D1B #DF2F2D #E76462

Accessibility & contrast

On white

6.70

#B41D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#B41D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41D1B

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41D1B	#FFFFFF	#000000	##FFFFFF
##B41D1B	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504718

Deuteranopia (green-blind)

#746711

Tritanopia (blue-blind)

#C7001F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41d1b;
/* rgb */ color: rgb(180, 29, 27);
/* oklch */ color: oklch(49.6% 0.185 27.8);

Tailwind

colors: {
  custom: {
    50: '#d56a59',
    500: '#b41d1b',
    950: '#000000',
  },
}

SCSS

$custom: #b41d1b;
$custom-light: #d56a59;
$custom-dark: #000000;

JSON

{
  "hex": "#b41d1b",
  "rgb": {
    "r": 180,
    "g": 29,
    "b": 27
  },
  "hsl": {
    "h": 0.784,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49649,
    "c": 0.18548,
    "h": 27.8
  },
  "luminance": 0.10661
}

Semantic roles & 50–950 ramp

primary

#B41D1B

secondary

#5FCBCC

accent

#EEF137

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #B41D1B

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

Preview Lab → · Contrast checker → · Palette generator →