#B42B40#B42B40

#B42B40 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.2% C 0.172 H 17.7°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B42B40
RGB	rgb(180, 43, 64)
HSL	hsl(351, 61%, 44%)
HSV	hsv(351, 76%, 71%)
CMYK	cmyk(0%, 76.1%, 64.4%, 29.4%)
CIE-LAB	lab(40.90, 55.13, 21.82)
CIE-LCH	lch(40.90, 59.30, 21.59°)
OKLab	oklab(51.21% 0.1642 0.0523)
OKLCH	oklch(51.21% 0.172 17.7)
XYZ	xyz(20.6139, 11.8043, 6.0425)
Luminance	0.1180 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42B40 #2BB49F

analogous

#B42B84 #B42B40 #B45A2B

triadic

#B42B40 #40B42B #2B40B4

tetradic

#B42B40 #84B42B #2BB49F #5A2BB4

square

#B42B40 #84B42B #2BB49F #5A2BB4

split-complementary

#B42B40 #2BB45A #2B84B4

monochromatic

#51131D #831F2E #B42B40 #D3495E #DF7A8A

Accessibility & contrast

On white

6.25

#B42B40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B42B40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42B40

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42B40	#FFFFFF	#000000	##FFFFFF
##B42B40	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E40

Deuteranopia (green-blind)

#756B3C

Tritanopia (blue-blind)

#C60034

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42b40;
/* rgb */ color: rgb(180, 43, 64);
/* oklch */ color: oklch(51.2% 0.172 17.7);

Tailwind

colors: {
  custom: {
    50: '#d27074',
    500: '#b42b40',
    950: '#000000',
  },
}

SCSS

$custom: #b42b40;
$custom-light: #d27074;
$custom-dark: #000000;

JSON

{
  "hex": "#b42b40",
  "rgb": {
    "r": 180,
    "g": 43,
    "b": 64
  },
  "hsl": {
    "h": 350.803,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51208,
    "c": 0.17229,
    "h": 17.7
  },
  "luminance": 0.11801
}

Semantic roles & 50–950 ramp

primary

#B42B40

secondary

#73C7BB

accent

#E5CC43

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B42B40

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

Preview Lab → · Contrast checker → · Palette generator →