#B41F1D#B41F1D

#B41F1D is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.184 H 27.7°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#B41F1D
RGB	rgb(180, 31, 29)
HSL	hsl(1, 72%, 41%)
HSV	hsv(1, 84%, 71%)
CMYK	cmyk(0%, 82.8%, 83.9%, 29.4%)
CIE-LAB	lab(39.20, 57.15, 40.59)
CIE-LCH	lch(39.20, 70.10, 35.38°)
OKLab	oklab(49.8% 0.163 0.0854)
OKLCH	oklch(49.8% 0.184 27.7)
XYZ	xyz(19.5366, 10.7752, 2.2133)
Luminance	0.1077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41F1D #1DB2B4

analogous

#B41D66 #B41F1D #B46A1D

triadic

#B41F1D #1DB41F #1F1DB4

tetradic

#B41F1D #66B41D #1DB2B4 #6A1DB4

square

#B41F1D #66B41D #1DB2B4 #6A1DB4

split-complementary

#B41F1D #1DB46A #1D66B4

monochromatic

#4B0D0C #7F1615 #B41F1D #DE3330 #E66765

Accessibility & contrast

On white

6.66

#B41F1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B41F1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41F1D

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41F1D	#FFFFFF	#000000	##FFFFFF
##B41F1D	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)

#51481A

Deuteranopia (green-blind)

#756814

Tritanopia (blue-blind)

#C70021

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41f1d;
/* rgb */ color: rgb(180, 31, 29);
/* oklch */ color: oklch(49.8% 0.184 27.7);

Tailwind

colors: {
  custom: {
    50: '#d56b5b',
    500: '#b41f1d',
    950: '#000000',
  },
}

SCSS

$custom: #b41f1d;
$custom-light: #d56b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b41f1d",
  "rgb": {
    "r": 180,
    "g": 31,
    "b": 29
  },
  "hsl": {
    "h": 0.795,
    "s": 72.249,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49795,
    "c": 0.18407,
    "h": 27.7
  },
  "luminance": 0.10772
}

Semantic roles & 50–950 ramp

primary

#B41F1D

secondary

#61CACB

accent

#EDEF39

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B41F1D

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

Preview Lab → · Contrast checker → · Palette generator →