#B41E1F#B41E1F

#B41E1F is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.184 H 27.0°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#B41E1F
RGB	rgb(180, 30, 31)
HSL	hsl(360, 71%, 41%)
HSV	hsv(360, 83%, 71%)
CMYK	cmyk(0%, 83.3%, 82.8%, 29.4%)
CIE-LAB	lab(39.13, 57.46, 39.45)
CIE-LCH	lch(39.13, 69.70, 34.47°)
OKLab	oklab(49.75% 0.1644 0.0837)
OKLCH	oklch(49.75% 0.184 27)
XYZ	xyz(19.5364, 10.7340, 2.3393)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41E1F #1EB4B3

analogous

#B41E6A #B41E1F #B4681E

triadic

#B41E1F #1FB41E #1E1FB4

tetradic

#B41E1F #6AB41E #1EB4B3 #681EB4

square

#B41E1F #6AB41E #1EB4B3 #681EB4

split-complementary

#B41E1F #1EB468 #1E6AB4

monochromatic

#4B0D0D #801516 #B41E1F #DD3233 #E66768

Accessibility & contrast

On white

6.67

#B41E1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B41E1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41E1F

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41E1F	#FFFFFF	#000000	##FFFFFF
##B41E1F	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50471D

Deuteranopia (green-blind)

#746817

Tritanopia (blue-blind)

#C70021

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41e1f;
/* rgb */ color: rgb(180, 30, 31);
/* oklch */ color: oklch(49.7% 0.184 27.0);

Tailwind

colors: {
  custom: {
    50: '#d56b5c',
    500: '#b41e1f',
    950: '#000000',
  },
}

SCSS

$custom: #b41e1f;
$custom-light: #d56b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b41e1f",
  "rgb": {
    "r": 180,
    "g": 30,
    "b": 31
  },
  "hsl": {
    "h": 359.6,
    "s": 71.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49748,
    "c": 0.18447,
    "h": 27
  },
  "luminance": 0.10731
}

Semantic roles & 50–950 ramp

primary

#B41E1F

secondary

#63CBCA

accent

#EEED3A

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B41E1F

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

Preview Lab → · Contrast checker → · Palette generator →