#B42A18#B42A18

#B42A18 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.177 H 31.0°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#B42A18
RGB	rgb(180, 42, 24)
HSL	hsl(7, 76%, 40%)
HSV	hsv(7, 87%, 71%)
CMYK	cmyk(0%, 76.7%, 86.7%, 29.4%)
CIE-LAB	lab(40.29, 53.85, 44.06)
CIE-LCH	lch(40.29, 69.57, 39.29°)
OKLab	oklab(50.6% 0.1518 0.0912)
OKLCH	oklch(50.6% 0.177 31)
XYZ	xyz(19.8177, 11.4284, 2.0264)
Luminance	0.1143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42A18 #18A2B4

analogous

#B41854 #B42A18 #B47818

triadic

#B42A18 #18B42A #2A18B4

tetradic

#B42A18 #54B418 #18A2B4 #7818B4

square

#B42A18 #54B418 #18A2B4 #7818B4

split-complementary

#B42A18 #18B478 #1854B4

monochromatic

#48110A #7E1D11 #B42A18 #E23D27 #E96D5D

Accessibility & contrast

On white

6.39

#B42A18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B42A18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42A18

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42A18	#FFFFFF	#000000	##FFFFFF
##B42A18	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C13

Deuteranopia (green-blind)

#776A0E

Tritanopia (blue-blind)

#C70028

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42a18;
/* rgb */ color: rgb(180, 42, 24);
/* oklch */ color: oklch(50.6% 0.177 31.0);

Tailwind

colors: {
  custom: {
    50: '#d46f58',
    500: '#b42a18',
    950: '#000000',
  },
}

SCSS

$custom: #b42a18;
$custom-light: #d46f58;
$custom-dark: #000000;

JSON

{
  "hex": "#b42a18",
  "rgb": {
    "r": 180,
    "g": 42,
    "b": 24
  },
  "hsl": {
    "h": 6.923,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.50596,
    "c": 0.1771,
    "h": 31
  },
  "luminance": 0.11425
}

Semantic roles & 50–950 ramp

primary

#B42A18

secondary

#5BC0CD

accent

#DDF335

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42A18

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

Preview Lab → · Contrast checker → · Palette generator →