#B42018#B42018

#B42018 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.184 H 29.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#B42018
RGB	rgb(180, 32, 24)
HSL	hsl(3, 76%, 40%)
HSV	hsv(3, 87%, 71%)
CMYK	cmyk(0%, 82.2%, 86.7%, 29.4%)
CIE-LAB	lab(39.25, 56.78, 43.18)
CIE-LCH	lch(39.25, 71.33, 37.25°)
OKLab	oklab(49.82% 0.161 0.0891)
OKLCH	oklch(49.82% 0.184 29)
XYZ	xyz(19.5063, 10.8055, 1.9226)
Luminance	0.1080 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42018 #18ACB4

analogous

#B4185E #B42018 #B46E18

triadic

#B42018 #18B420 #2018B4

tetradic

#B42018 #5EB418 #18ACB4 #6E18B4

square

#B42018 #5EB418 #18ACB4 #6E18B4

split-complementary

#B42018 #18B46E #185EB4

monochromatic

#480D0A #7E1611 #B42018 #E23127 #E9645D

Accessibility & contrast

On white

6.64

#B42018 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#B42018 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42018

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42018	#FFFFFF	#000000	##FFFFFF
##B42018	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514814

Deuteranopia (green-blind)

#75680D

Tritanopia (blue-blind)

#C70021

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b42018;
/* rgb */ color: rgb(180, 32, 24);
/* oklch */ color: oklch(49.8% 0.184 29.0);

Tailwind

colors: {
  custom: {
    50: '#d56b57',
    500: '#b42018',
    950: '#000000',
  },
}

SCSS

$custom: #b42018;
$custom-light: #d56b57;
$custom-dark: #000000;

JSON

{
  "hex": "#b42018",
  "rgb": {
    "r": 180,
    "g": 32,
    "b": 24
  },
  "hsl": {
    "h": 3.077,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.49821,
    "c": 0.18399,
    "h": 29
  },
  "luminance": 0.10802
}

Semantic roles & 50–950 ramp

primary

#B42018

secondary

#5BC7CD

accent

#E9F335

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160803

muted

#847A78

Preview Lab

Preview with #B42018

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

Preview Lab → · Contrast checker → · Palette generator →