#B42545#B42545

#B42545 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.8% C 0.178 H 14.3°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#B42545
RGB	rgb(180, 37, 69)
HSL	hsl(347, 66%, 43%)
HSV	hsv(347, 79%, 71%)
CMYK	cmyk(0%, 79.4%, 61.7%, 29.4%)
CIE-LAB	lab(40.34, 57.29, 17.96)
CIE-LCH	lch(40.34, 60.04, 17.40°)
OKLab	oklab(50.82% 0.1721 0.0439)
OKLCH	oklch(50.82% 0.178 14.3)
XYZ	xyz(20.5603, 11.4592, 6.7583)
Luminance	0.1146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42545 #25B494

analogous

#B4258D #B42545 #B44C25

triadic

#B42545 #45B425 #2545B4

tetradic

#B42545 #8DB425 #25B494 #4C25B4

square

#B42545 #8DB425 #25B494 #4C25B4

split-complementary

#B42545 #25B44C #258DB4

monochromatic

#4E101E #811B32 #B42545 #D73F61 #E2718B

Accessibility & contrast

On white

6.38

#B42545 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B42545 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42545

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42545	#FFFFFF	#000000	##FFFFFF
##B42545	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4C45

Deuteranopia (green-blind)

#736A41

Tritanopia (blue-blind)

#C50033

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42545;
/* rgb */ color: rgb(180, 37, 69);
/* oklch */ color: oklch(50.8% 0.178 14.3);

Tailwind

colors: {
  custom: {
    50: '#d26e78',
    500: '#b42545',
    950: '#000000',
  },
}

SCSS

$custom: #b42545;
$custom-light: #d26e78;
$custom-dark: #000000;

JSON

{
  "hex": "#b42545",
  "rgb": {
    "r": 180,
    "g": 37,
    "b": 69
  },
  "hsl": {
    "h": 346.573,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50824,
    "c": 0.17756,
    "h": 14.3
  },
  "luminance": 0.11456
}

Semantic roles & 50–950 ramp

primary

#B42545

secondary

#6CC9B4

accent

#E9C33F

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B42545

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

Preview Lab → · Contrast checker → · Palette generator →