#B41D1D#B41D1D

#B41D1D is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.185 H 27.3°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#B41D1D
RGB	rgb(180, 29, 29)
HSL	hsl(0, 72%, 41%)
HSV	hsv(0, 84%, 71%)
CMYK	cmyk(0%, 83.9%, 83.9%, 29.4%)
CIE-LAB	lab(39.03, 57.64, 40.43)
CIE-LCH	lch(39.03, 70.41, 35.04°)
OKLab	oklab(49.67% 0.1646 0.0851)
OKLCH	oklch(49.67% 0.185 27.3)
XYZ	xyz(19.4860, 10.6740, 2.1965)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41D1D #1DB4B4

analogous

#B41D68 #B41D1D #B4681D

triadic

#B41D1D #1DB41D #1D1DB4

tetradic

#B41D1D #68B41D #1DB4B4 #681DB4

square

#B41D1D #68B41D #1DB4B4 #681DB4

split-complementary

#B41D1D #1DB468 #1D68B4

monochromatic

#4B0C0C #7F1515 #B41D1D #DE3030 #E66565

Accessibility & contrast

On white

6.70

#B41D1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#B41D1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41D1D

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41D1D	#FFFFFF	#000000	##FFFFFF
##B41D1D	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)

#50471A

Deuteranopia (green-blind)

#746714

Tritanopia (blue-blind)

#C70020

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41d1d;
/* rgb */ color: rgb(180, 29, 29);
/* oklch */ color: oklch(49.7% 0.185 27.3);

Tailwind

colors: {
  custom: {
    50: '#d56a5b',
    500: '#b41d1d',
    950: '#000000',
  },
}

SCSS

$custom: #b41d1d;
$custom-light: #d56a5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b41d1d",
  "rgb": {
    "r": 180,
    "g": 29,
    "b": 29
  },
  "hsl": {
    "h": 0,
    "s": 72.249,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49666,
    "c": 0.18527,
    "h": 27.3
  },
  "luminance": 0.10671
}

Semantic roles & 50–950 ramp

primary

#B41D1D

secondary

#61CBCB

accent

#EFEF39

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #B41D1D

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

Preview Lab → · Contrast checker → · Palette generator →