#B42B45#B42B45

#B42B45 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.172 H 15.4°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B42B45
RGB	rgb(180, 43, 69)
HSL	hsl(349, 61%, 44%)
HSV	hsv(349, 76%, 71%)
CMYK	cmyk(0%, 76.1%, 61.7%, 29.4%)
CIE-LAB	lab(41.00, 55.44, 18.82)
CIE-LCH	lch(41.00, 58.55, 18.75°)
OKLab	oklab(51.31% 0.1661 0.0459)
OKLCH	oklch(51.31% 0.172 15.4)
XYZ	xyz(20.7626, 11.8638, 6.8257)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42B45 #2BB49A

analogous

#B42B89 #B42B45 #B4552B

triadic

#B42B45 #45B42B #2B45B4

tetradic

#B42B45 #89B42B #2BB49A #552BB4

square

#B42B45 #89B42B #2BB49A #552BB4

split-complementary

#B42B45 #2BB455 #2B89B4

monochromatic

#51131F #831F32 #B42B45 #D34963 #DF7A8D

Accessibility & contrast

On white

6.23

#B42B45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B42B45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42B45

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42B45	#FFFFFF	#000000	##FFFFFF
##B42B45	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514E45

Deuteranopia (green-blind)

#746B41

Tritanopia (blue-blind)

#C50036

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42b45;
/* rgb */ color: rgb(180, 43, 69);
/* oklch */ color: oklch(51.3% 0.172 15.4);

Tailwind

colors: {
  custom: {
    50: '#d27178',
    500: '#b42b45',
    950: '#000000',
  },
}

SCSS

$custom: #b42b45;
$custom-light: #d27178;
$custom-dark: #000000;

JSON

{
  "hex": "#b42b45",
  "rgb": {
    "r": 180,
    "g": 43,
    "b": 69
  },
  "hsl": {
    "h": 348.613,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51309,
    "c": 0.17235,
    "h": 15.4
  },
  "luminance": 0.11861
}

Semantic roles & 50–950 ramp

primary

#B42B45

secondary

#73C7B7

accent

#E5C643

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B42B45

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

Preview Lab → · Contrast checker → · Palette generator →