#B41D1F#B41D1F

#B41D1F is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.185 H 26.8°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#B41D1F
RGB	rgb(180, 29, 31)
HSL	hsl(359, 72%, 41%)
HSV	hsv(359, 84%, 71%)
CMYK	cmyk(0%, 83.9%, 82.8%, 29.4%)
CIE-LAB	lab(39.04, 57.70, 39.37)
CIE-LCH	lch(39.04, 69.85, 34.31°)
OKLab	oklab(49.69% 0.1651 0.0835)
OKLCH	oklch(49.69% 0.185 26.8)
XYZ	xyz(19.5115, 10.6842, 2.3310)
Luminance	0.1068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41D1F #1DB4B2

analogous

#B41D6A #B41D1F #B4661D

triadic

#B41D1F #1FB41D #1D1FB4

tetradic

#B41D1F #6AB41D #1DB4B2 #661DB4

square

#B41D1F #6AB41D #1DB4B2 #661DB4

split-complementary

#B41D1F #1DB466 #1D6AB4

monochromatic

#4B0C0D #7F1516 #B41D1F #DE3033 #E66567

Accessibility & contrast

On white

6.70

#B41D1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B41D1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41D1F

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41D1F	#FFFFFF	#000000	##FFFFFF
##B41D1F	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50471D

Deuteranopia (green-blind)

#746717

Tritanopia (blue-blind)

#C70020

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41d1f;
/* rgb */ color: rgb(180, 29, 31);
/* oklch */ color: oklch(49.7% 0.185 26.8);

Tailwind

colors: {
  custom: {
    50: '#d56a5c',
    500: '#b41d1f',
    950: '#000000',
  },
}

SCSS

$custom: #b41d1f;
$custom-light: #d56a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b41d1f",
  "rgb": {
    "r": 180,
    "g": 29,
    "b": 31
  },
  "hsl": {
    "h": 359.205,
    "s": 72.249,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49685,
    "c": 0.18506,
    "h": 26.8
  },
  "luminance": 0.10681
}

Semantic roles & 50–950 ramp

primary

#B41D1F

secondary

#61CBCA

accent

#EFED39

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #B41D1F

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

Preview Lab → · Contrast checker → · Palette generator →