#B41631#B41631

#B41631 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.5% C 0.188 H 20.3°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#B41631
RGB	rgb(180, 22, 49)
HSL	hsl(350, 78%, 40%)
HSV	hsv(350, 88%, 71%)
CMYK	cmyk(0%, 87.8%, 72.8%, 29.4%)
CIE-LAB	lab(38.73, 59.83, 28.45)
CIE-LCH	lch(38.73, 66.25, 25.43°)
OKLab	oklab(49.52% 0.1759 0.0649)
OKLCH	oklch(49.52% 0.188 20.3)
XYZ	xyz(19.6660, 10.5021, 3.8968)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41631 #16B499

analogous

#B41680 #B41631 #B44A16

triadic

#B41631 #31B416 #1631B4

tetradic

#B41631 #80B416 #16B499 #4A16B4

square

#B41631 #80B416 #16B499 #4A16B4

split-complementary

#B41631 #16B44A #1680B4

monochromatic

#470913 #7D0F22 #B41631 #E42344 #EB5A72

Accessibility & contrast

On white

6.77

#B41631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#B41631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41631

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41631	#FFFFFF	#000000	##FFFFFF
##B41631	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4631

Deuteranopia (green-blind)

#72672C

Tritanopia (blue-blind)

#C60023

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b41631;
/* rgb */ color: rgb(180, 22, 49);
/* oklch */ color: oklch(49.5% 0.188 20.3);

Tailwind

colors: {
  custom: {
    50: '#d46969',
    500: '#b41631',
    950: '#000000',
  },
}

SCSS

$custom: #b41631;
$custom-light: #d46969;
$custom-dark: #000000;

JSON

{
  "hex": "#b41631",
  "rgb": {
    "r": 180,
    "g": 22,
    "b": 49
  },
  "hsl": {
    "h": 349.747,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49519,
    "c": 0.1875,
    "h": 20.3
  },
  "luminance": 0.10499
}

Semantic roles & 50–950 ramp

primary

#B41631

secondary

#58CEBA

accent

#F5D433

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160706

muted

#847A7A

Preview Lab

Preview with #B41631

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

Preview Lab → · Contrast checker → · Palette generator →