#B41738#B41738

#B41738 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.7% C 0.187 H 17.7°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#B41738
RGB	rgb(180, 23, 56)
HSL	hsl(347, 77%, 40%)
HSV	hsv(347, 87%, 71%)
CMYK	cmyk(0%, 87.2%, 68.9%, 29.4%)
CIE-LAB	lab(38.91, 59.96, 24.30)
CIE-LCH	lch(38.91, 64.69, 22.06°)
OKLab	oklab(49.69% 0.1779 0.0569)
OKLCH	oklch(49.69% 0.187 17.7)
XYZ	xyz(19.8449, 10.6048, 4.7426)
Luminance	0.1060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41738 #17B493

analogous

#B41786 #B41738 #B44517

triadic

#B41738 #38B417 #1738B4

tetradic

#B41738 #86B417 #17B493 #4517B4

square

#B41738 #86B417 #17B493 #4517B4

split-complementary

#B41738 #17B445 #1786B4

monochromatic

#470916 #7E1027 #B41738 #E3254D #EA5B79

Accessibility & contrast

On white

6.73

#B41738 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#B41738 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41738

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41738	#FFFFFF	#000000	##FFFFFF
##B41738	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4738

Deuteranopia (green-blind)

#716733

Tritanopia (blue-blind)

#C60027

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41738;
/* rgb */ color: rgb(180, 23, 56);
/* oklch */ color: oklch(49.7% 0.187 17.7);

Tailwind

colors: {
  custom: {
    50: '#d3696e',
    500: '#b41738',
    950: '#000000',
  },
}

SCSS

$custom: #b41738;
$custom-light: #d3696e;
$custom-dark: #000000;

JSON

{
  "hex": "#b41738",
  "rgb": {
    "r": 180,
    "g": 23,
    "b": 56
  },
  "hsl": {
    "h": 347.389,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49686,
    "c": 0.18681,
    "h": 17.7
  },
  "luminance": 0.10602
}

Semantic roles & 50–950 ramp

primary

#B41738

secondary

#59CEB5

accent

#F4CC34

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160707

muted

#847A7A

Preview Lab

Preview with #B41738

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

Preview Lab → · Contrast checker → · Palette generator →