#B42D2B#B42D2B

#B42D2B is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.172 H 26.4°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B42D2B
RGB	rgb(180, 45, 43)
HSL	hsl(1, 61%, 44%)
HSV	hsv(1, 76%, 71%)
CMYK	cmyk(0%, 75%, 76.1%, 29.4%)
CIE-LAB	lab(40.83, 53.43, 34.44)
CIE-LCH	lch(40.83, 63.57, 32.81°)
OKLab	oklab(51.05% 0.1542 0.0766)
OKLCH	oklch(51.05% 0.172 26.4)
XYZ	xyz(20.1992, 11.7576, 3.4909)
Luminance	0.1175 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42D2B #2BB2B4

analogous

#B42B6D #B42D2B #B4712B

triadic

#B42D2B #2BB42D #2D2BB4

tetradic

#B42D2B #6DB42B #2BB2B4 #712BB4

square

#B42D2B #6DB42B #2BB2B4 #712BB4

split-complementary

#B42D2B #2BB471 #2B6DB4

monochromatic

#511413 #83211F #B42D2B #D34B49 #DF7C7A

Accessibility & contrast

On white

6.27

#B42D2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B42D2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42D2B

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42D2B	#FFFFFF	#000000	##FFFFFF
##B42D2B	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E29

Deuteranopia (green-blind)

#776B26

Tritanopia (blue-blind)

#C6002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42d2b;
/* rgb */ color: rgb(180, 45, 43);
/* oklch */ color: oklch(51.1% 0.172 26.4);

Tailwind

colors: {
  custom: {
    50: '#d37165',
    500: '#b42d2b',
    950: '#000000',
  },
}

SCSS

$custom: #b42d2b;
$custom-light: #d37165;
$custom-dark: #000000;

JSON

{
  "hex": "#b42d2b",
  "rgb": {
    "r": 180,
    "g": 45,
    "b": 43
  },
  "hsl": {
    "h": 0.876,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51051,
    "c": 0.17218,
    "h": 26.4
  },
  "luminance": 0.11754
}

Semantic roles & 50–950 ramp

primary

#B42D2B

secondary

#73C6C7

accent

#E2E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B42D2B

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

Preview Lab → · Contrast checker → · Palette generator →