#B42749#B42749

#B42749 is a mid, vivid red. Relative luminance 0.116; OKLCH L 51.1% C 0.176 H 12.8°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B42749
RGB	rgb(180, 39, 73)
HSL	hsl(346, 64%, 43%)
HSV	hsv(346, 78%, 71%)
CMYK	cmyk(0%, 78.3%, 59.4%, 29.4%)
CIE-LAB	lab(40.64, 56.96, 15.82)
CIE-LCH	lch(40.64, 59.12, 15.53°)
OKLab	oklab(51.07% 0.1718 0.0391)
OKLCH	oklch(51.07% 0.176 12.8)
XYZ	xyz(20.7526, 11.6384, 7.4557)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42749 #27B492

analogous

#B4278F #B42749 #B44B27

triadic

#B42749 #49B427 #2749B4

tetradic

#B42749 #8FB427 #27B492 #4B27B4

square

#B42749 #8FB427 #27B492 #4B27B4

split-complementary

#B42749 #27B44B #278FB4

monochromatic

#4F1120 #821C35 #B42749 #D64266 #E1748F

Accessibility & contrast

On white

6.31

#B42749 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B42749 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42749

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42749	#FFFFFF	#000000	##FFFFFF
##B42749	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)

#4F4D49

Deuteranopia (green-blind)

#736A45

Tritanopia (blue-blind)

#C50036

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42749;
/* rgb */ color: rgb(180, 39, 73);
/* oklch */ color: oklch(51.1% 0.176 12.8);

Tailwind

colors: {
  custom: {
    50: '#d26f7b',
    500: '#b42749',
    950: '#000000',
  },
}

SCSS

$custom: #b42749;
$custom-light: #d26f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b42749",
  "rgb": {
    "r": 180,
    "g": 39,
    "b": 73
  },
  "hsl": {
    "h": 345.532,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.51067,
    "c": 0.17615,
    "h": 12.8
  },
  "luminance": 0.11635
}

Semantic roles & 50–950 ramp

primary

#B42749

secondary

#6FC8B3

accent

#E7BF40

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150809

muted

#837B7B

Preview Lab

Preview with #B42749

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

Preview Lab → · Contrast checker → · Palette generator →