#B41F37#B41F37

#B41F37 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.182 H 19.2°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#B41F37
RGB	rgb(180, 31, 55)
HSL	hsl(350, 71%, 41%)
HSV	hsv(350, 83%, 71%)
CMYK	cmyk(0%, 82.8%, 69.4%, 29.4%)
CIE-LAB	lab(39.52, 58.12, 25.68)
CIE-LCH	lch(39.52, 63.54, 23.84°)
OKLab	oklab(50.13% 0.1718 0.0599)
OKLCH	oklch(50.13% 0.182 19.2)
XYZ	xyz(20.0043, 10.9623, 4.6763)
Luminance	0.1096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41F37 #1FB49C

analogous

#B41F82 #B41F37 #B4521F

triadic

#B41F37 #37B41F #1F37B4

tetradic

#B41F37 #82B41F #1FB49C #521FB4

square

#B41F37 #82B41F #1FB49C #521FB4

split-complementary

#B41F37 #1FB452 #1F82B4

monochromatic

#4C0D17 #801627 #B41F37 #DC344F #E5687C

Accessibility & contrast

On white

6.58

#B41F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B41F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41F37

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41F37	#FFFFFF	#000000	##FFFFFF
##B41F37	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4937

Deuteranopia (green-blind)

#736832

Tritanopia (blue-blind)

#C6002A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b41f37;
/* rgb */ color: rgb(180, 31, 55);
/* oklch */ color: oklch(50.1% 0.182 19.2);

Tailwind

colors: {
  custom: {
    50: '#d36c6d',
    500: '#b41f37',
    950: '#000000',
  },
}

SCSS

$custom: #b41f37;
$custom-light: #d36c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b41f37",
  "rgb": {
    "r": 180,
    "g": 31,
    "b": 55
  },
  "hsl": {
    "h": 350.336,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50131,
    "c": 0.18192,
    "h": 19.2
  },
  "luminance": 0.10959
}

Semantic roles & 50–950 ramp

primary

#B41F37

secondary

#64CBBA

accent

#EDD13A

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160807

muted

#847A7A

Preview Lab

Preview with #B41F37

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

Preview Lab → · Contrast checker → · Palette generator →