#B42B39#B42B39

#B42B39 is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.1% C 0.173 H 20.7°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#B42B39
RGB	rgb(180, 43, 57)
HSL	hsl(354, 61%, 44%)
HSV	hsv(354, 76%, 71%)
CMYK	cmyk(0%, 76.1%, 68.3%, 29.4%)
CIE-LAB	lab(40.78, 54.74, 26.00)
CIE-LCH	lch(40.78, 60.60, 25.41°)
OKLab	oklab(51.08% 0.1614 0.0609)
OKLCH	oklch(51.08% 0.173 20.7)
XYZ	xyz(20.4270, 11.7296, 5.0585)
Luminance	0.1173 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42B39 #2BB4A6

analogous

#B42B7D #B42B39 #B4612B

triadic

#B42B39 #39B42B #2B39B4

tetradic

#B42B39 #7DB42B #2BB4A6 #612BB4

square

#B42B39 #7DB42B #2BB4A6 #612BB4

split-complementary

#B42B39 #2BB461 #2B7DB4

monochromatic

#51131A #831F29 #B42B39 #D34957 #DF7A84

Accessibility & contrast

On white

6.28

#B42B39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B42B39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42B39

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42B39	#FFFFFF	#000000	##FFFFFF
##B42B39	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E38

Deuteranopia (green-blind)

#756B35

Tritanopia (blue-blind)

#C60031

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42b39;
/* rgb */ color: rgb(180, 43, 57);
/* oklch */ color: oklch(51.1% 0.173 20.7);

Tailwind

colors: {
  custom: {
    50: '#d2706f',
    500: '#b42b39',
    950: '#000000',
  },
}

SCSS

$custom: #b42b39;
$custom-light: #d2706f;
$custom-dark: #000000;

JSON

{
  "hex": "#b42b39",
  "rgb": {
    "r": 180,
    "g": 43,
    "b": 57
  },
  "hsl": {
    "h": 353.869,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51079,
    "c": 0.17252,
    "h": 20.7
  },
  "luminance": 0.11726
}

Semantic roles & 50–950 ramp

primary

#B42B39

secondary

#73C7BF

accent

#E5D443

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B42B39

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

Preview Lab → · Contrast checker → · Palette generator →