#B43139#B43139

#B43139 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.167 H 22.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B43139
RGB	rgb(180, 49, 57)
HSL	hsl(356, 57%, 45%)
HSV	hsv(356, 73%, 71%)
CMYK	cmyk(0%, 72.8%, 68.3%, 29.4%)
CIE-LAB	lab(41.53, 52.67, 26.92)
CIE-LCH	lch(41.53, 59.15, 27.08°)
OKLab	oklab(51.64% 0.1548 0.0629)
OKLCH	oklch(51.64% 0.167 22.1)
XYZ	xyz(20.6615, 12.1984, 5.1367)
Luminance	0.1220 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43139 #31B4AC

analogous

#B4317A #B43139 #B46B31

triadic

#B43139 #39B431 #3139B4

tetradic

#B43139 #7AB431 #31B4AC #6B31B4

square

#B43139 #7AB431 #31B4AC #6B31B4

split-complementary

#B43139 #31B46B #317AB4

monochromatic

#54171B #84242A #B43139 #D0525A #DD8288

Accessibility & contrast

On white

6.11

#B43139 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B43139 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43139

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43139	#FFFFFF	#000000	##FFFFFF
##B43139	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565038

Deuteranopia (green-blind)

#776C35

Tritanopia (blue-blind)

#C60035

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43139;
/* rgb */ color: rgb(180, 49, 57);
/* oklch */ color: oklch(51.6% 0.167 22.1);

Tailwind

colors: {
  custom: {
    50: '#d2736f',
    500: '#b43139',
    950: '#000000',
  },
}

SCSS

$custom: #b43139;
$custom-light: #d2736f;
$custom-dark: #000000;

JSON

{
  "hex": "#b43139",
  "rgb": {
    "r": 180,
    "g": 49,
    "b": 57
  },
  "hsl": {
    "h": 356.336,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51635,
    "c": 0.1671,
    "h": 22.1
  },
  "luminance": 0.12195
}

Semantic roles & 50–950 ramp

primary

#B43139

secondary

#7BC6C2

accent

#E0D747

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B43139

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

Preview Lab → · Contrast checker → · Palette generator →