#B42819#B42819

#B42819 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.178 H 30.3°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#B42819
RGB	rgb(180, 40, 25)
HSL	hsl(6, 76%, 40%)
HSV	hsv(6, 86%, 71%)
CMYK	cmyk(0%, 77.8%, 86.1%, 29.4%)
CIE-LAB	lab(40.07, 54.51, 43.39)
CIE-LCH	lch(40.07, 69.67, 38.52°)
OKLab	oklab(50.43% 0.1541 0.0901)
OKLCH	oklch(50.43% 0.178 30.3)
XYZ	xyz(19.7591, 11.2943, 2.0591)
Luminance	0.1129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42819 #19A5B4

analogous

#B41958 #B42819 #B47519

triadic

#B42819 #19B428 #2819B4

tetradic

#B42819 #58B419 #19A5B4 #7519B4

square

#B42819 #58B419 #19A5B4 #7519B4

split-complementary

#B42819 #19B475 #1958B4

monochromatic

#49100A #7E1C12 #B42819 #E13B29 #E96C5F

Accessibility & contrast

On white

6.45

#B42819 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B42819 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42819

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42819	#FFFFFF	#000000	##FFFFFF
##B42819	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B15

Deuteranopia (green-blind)

#77690F

Tritanopia (blue-blind)

#C70026

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b42819;
/* rgb */ color: rgb(180, 40, 25);
/* oklch */ color: oklch(50.4% 0.178 30.3);

Tailwind

colors: {
  custom: {
    50: '#d56e59',
    500: '#b42819',
    950: '#000000',
  },
}

SCSS

$custom: #b42819;
$custom-light: #d56e59;
$custom-dark: #000000;

JSON

{
  "hex": "#b42819",
  "rgb": {
    "r": 180,
    "g": 40,
    "b": 25
  },
  "hsl": {
    "h": 5.806,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50433,
    "c": 0.17845,
    "h": 30.3
  },
  "luminance": 0.11291
}

Semantic roles & 50–950 ramp

primary

#B42819

secondary

#5CC2CD

accent

#E0F236

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42819

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

Preview Lab → · Contrast checker → · Palette generator →