#B41F18#B41F18

#B41F18 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.8% C 0.185 H 28.8°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#B41F18
RGB	rgb(180, 31, 24)
HSL	hsl(3, 76%, 40%)
HSV	hsv(3, 87%, 71%)
CMYK	cmyk(0%, 82.8%, 86.7%, 29.4%)
CIE-LAB	lab(39.16, 57.03, 43.10)
CIE-LCH	lch(39.16, 71.49, 37.08°)
OKLab	oklab(49.75% 0.1618 0.0889)
OKLCH	oklch(49.75% 0.185 28.8)
XYZ	xyz(19.4797, 10.7525, 1.9138)
Luminance	0.1075 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41F18 #18ADB4

analogous

#B4185F #B41F18 #B46D18

triadic

#B41F18 #18B41F #1F18B4

tetradic

#B41F18 #5FB418 #18ADB4 #6D18B4

square

#B41F18 #5FB418 #18ADB4 #6D18B4

split-complementary

#B41F18 #18B46D #185FB4

monochromatic

#480C0A #7E1611 #B41F18 #E22F27 #E9635D

Accessibility & contrast

On white

6.67

#B41F18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B41F18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41F18

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41F18	#FFFFFF	#000000	##FFFFFF
##B41F18	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)

#514814

Deuteranopia (green-blind)

#75680D

Tritanopia (blue-blind)

#C70020

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41f18;
/* rgb */ color: rgb(180, 31, 24);
/* oklch */ color: oklch(49.8% 0.185 28.8);

Tailwind

colors: {
  custom: {
    50: '#d56b57',
    500: '#b41f18',
    950: '#000000',
  },
}

SCSS

$custom: #b41f18;
$custom-light: #d56b57;
$custom-dark: #000000;

JSON

{
  "hex": "#b41f18",
  "rgb": {
    "r": 180,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 2.692,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.49753,
    "c": 0.1846,
    "h": 28.8
  },
  "luminance": 0.10749
}

Semantic roles & 50–950 ramp

primary

#B41F18

secondary

#5BC8CD

accent

#EAF335

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160803

muted

#847A78

Preview Lab

Preview with #B41F18

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

Preview Lab → · Contrast checker → · Palette generator →