#B41E1E#B41E1E

#B41E1E is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.185 H 27.2°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#B41E1E
RGB	rgb(180, 30, 30)
HSL	hsl(0, 71%, 41%)
HSV	hsv(0, 83%, 71%)
CMYK	cmyk(0%, 83.3%, 83.3%, 29.4%)
CIE-LAB	lab(39.12, 57.43, 39.98)
CIE-LCH	lch(39.12, 69.98, 34.85°)
OKLab	oklab(49.74% 0.1641 0.0845)
OKLCH	oklch(49.74% 0.185 27.2)
XYZ	xyz(19.5235, 10.7288, 2.2710)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41E1E #1EB4B4

analogous

#B41E69 #B41E1E #B4691E

triadic

#B41E1E #1EB41E #1E1EB4

tetradic

#B41E1E #69B41E #1EB4B4 #691EB4

square

#B41E1E #69B41E #1EB4B4 #691EB4

split-complementary

#B41E1E #1EB469 #1E69B4

monochromatic

#4B0D0D #801515 #B41E1E #DD3232 #E66767

Accessibility & contrast

On white

6.68

#B41E1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B41E1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41E1E

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41E1E	#FFFFFF	#000000	##FFFFFF
##B41E1E	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50471B

Deuteranopia (green-blind)

#746815

Tritanopia (blue-blind)

#C70021

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41e1e;
/* rgb */ color: rgb(180, 30, 30);
/* oklch */ color: oklch(49.7% 0.185 27.2);

Tailwind

colors: {
  custom: {
    50: '#d56b5b',
    500: '#b41e1e',
    950: '#000000',
  },
}

SCSS

$custom: #b41e1e;
$custom-light: #d56b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b41e1e",
  "rgb": {
    "r": 180,
    "g": 30,
    "b": 30
  },
  "hsl": {
    "h": 0,
    "s": 71.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49738,
    "c": 0.18456,
    "h": 27.2
  },
  "luminance": 0.10726
}

Semantic roles & 50–950 ramp

primary

#B41E1E

secondary

#63CBCB

accent

#EEEE3A

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B41E1E

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

Preview Lab → · Contrast checker → · Palette generator →