#B42B2E#B42B2E

#B42B2E is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.9% C 0.173 H 24.9°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B42B2E
RGB	rgb(180, 43, 46)
HSL	hsl(359, 61%, 44%)
HSV	hsv(359, 76%, 71%)
CMYK	cmyk(0%, 76.1%, 74.4%, 29.4%)
CIE-LAB	lab(40.62, 54.22, 32.46)
CIE-LCH	lch(40.62, 63.20, 30.91°)
OKLab	oklab(50.91% 0.1573 0.0731)
OKLCH	oklch(50.91% 0.173 24.9)
XYZ	xyz(20.1818, 11.6315, 3.7667)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42B2E #2BB4B1

analogous

#B42B72 #B42B2E #B46C2B

triadic

#B42B2E #2EB42B #2B2EB4

tetradic

#B42B2E #72B42B #2BB4B1 #6C2BB4

square

#B42B2E #72B42B #2BB4B1 #6C2BB4

split-complementary

#B42B2E #2BB46C #2B72B4

monochromatic

#511315 #831F21 #B42B2E #D3494C #DF7A7C

Accessibility & contrast

On white

6.31

#B42B2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B42B2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42B2E

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42B2E	#FFFFFF	#000000	##FFFFFF
##B42B2E	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D2D

Deuteranopia (green-blind)

#766A29

Tritanopia (blue-blind)

#C6002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42b2e;
/* rgb */ color: rgb(180, 43, 46);
/* oklch */ color: oklch(50.9% 0.173 24.9);

Tailwind

colors: {
  custom: {
    50: '#d37067',
    500: '#b42b2e',
    950: '#000000',
  },
}

SCSS

$custom: #b42b2e;
$custom-light: #d37067;
$custom-dark: #000000;

JSON

{
  "hex": "#b42b2e",
  "rgb": {
    "r": 180,
    "g": 43,
    "b": 46
  },
  "hsl": {
    "h": 358.686,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50911,
    "c": 0.17348,
    "h": 24.9
  },
  "luminance": 0.11628
}

Semantic roles & 50–950 ramp

primary

#B42B2E

secondary

#73C7C6

accent

#E5E143

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B42B2E

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

Preview Lab → · Contrast checker → · Palette generator →