#B41F1C#B41F1C

#B41F1C is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.184 H 27.9°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#B41F1C
RGB	rgb(180, 31, 28)
HSL	hsl(1, 73%, 41%)
HSV	hsv(1, 84%, 71%)
CMYK	cmyk(0%, 82.8%, 84.4%, 29.4%)
CIE-LAB	lab(39.19, 57.13, 41.10)
CIE-LCH	lch(39.19, 70.38, 35.74°)
OKLab	oklab(49.79% 0.1628 0.0862)
OKLCH	oklch(49.79% 0.184 27.9)
XYZ	xyz(19.5244, 10.7703, 2.1493)
Luminance	0.1077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41F1C #1CB1B4

analogous

#B41C65 #B41F1C #B46B1C

triadic

#B41F1C #1CB41F #1F1CB4

tetradic

#B41F1C #65B41C #1CB1B4 #6B1CB4

square

#B41F1C #65B41C #1CB1B4 #6B1CB4

split-complementary

#B41F1C #1CB46B #1C65B4

monochromatic

#4A0D0C #7F1614 #B41F1C #DF322F #E76664

Accessibility & contrast

On white

6.66

#B41F1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B41F1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41F1C

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41F1C	#FFFFFF	#000000	##FFFFFF
##B41F1C	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)

#514819

Deuteranopia (green-blind)

#756813

Tritanopia (blue-blind)

#C70021

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41f1c;
/* rgb */ color: rgb(180, 31, 28);
/* oklch */ color: oklch(49.8% 0.184 27.9);

Tailwind

colors: {
  custom: {
    50: '#d56b5a',
    500: '#b41f1c',
    950: '#000000',
  },
}

SCSS

$custom: #b41f1c;
$custom-light: #d56b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#b41f1c",
  "rgb": {
    "r": 180,
    "g": 31,
    "b": 28
  },
  "hsl": {
    "h": 1.184,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49786,
    "c": 0.18418,
    "h": 27.9
  },
  "luminance": 0.10767
}

Semantic roles & 50–950 ramp

primary

#B41F1C

secondary

#60CACC

accent

#ECF038

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B41F1C

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

Preview Lab → · Contrast checker → · Palette generator →