#B23239#B23239

#B23239 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.164 H 22.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B23239
RGB	rgb(178, 50, 57)
HSL	hsl(357, 56%, 45%)
HSV	hsv(357, 72%, 70%)
CMYK	cmyk(0%, 71.9%, 68%, 30.2%)
CIE-LAB	lab(41.29, 51.66, 26.54)
CIE-LCH	lch(41.29, 58.08, 27.19°)
OKLab	oklab(51.39% 0.1519 0.0622)
OKLCH	oklch(51.39% 0.164 22.3)
XYZ	xyz(20.2414, 12.0446, 5.1291)
Luminance	0.1204 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23239 #32B2AB

analogous

#B23279 #B23239 #B26B32

triadic

#B23239 #39B232 #3239B2

tetradic

#B23239 #79B232 #32B2AB #6B32B2

square

#B23239 #79B232 #32B2AB #6B32B2

split-complementary

#B23239 #32B26B #3279B2

monochromatic

#52171A #82252A #B23239 #CF5359 #DC8287

Accessibility & contrast

On white

6.16

#B23239 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B23239 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23239

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23239	#FFFFFF	#000000	##FFFFFF
##B23239	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565038

Deuteranopia (green-blind)

#766B35

Tritanopia (blue-blind)

#C40336

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b23239;
/* rgb */ color: rgb(178, 50, 57);
/* oklch */ color: oklch(51.4% 0.164 22.3);

Tailwind

colors: {
  custom: {
    50: '#d1736f',
    500: '#b23239',
    950: '#000000',
  },
}

SCSS

$custom: #b23239;
$custom-light: #d1736f;
$custom-dark: #000000;

JSON

{
  "hex": "#b23239",
  "rgb": {
    "r": 178,
    "g": 50,
    "b": 57
  },
  "hsl": {
    "h": 356.719,
    "s": 56.14,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51385,
    "c": 0.16409,
    "h": 22.3
  },
  "luminance": 0.12042
}

Semantic roles & 50–950 ramp

primary

#B23239

secondary

#7BC5C1

accent

#DFD748

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23239

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

Preview Lab → · Contrast checker → · Palette generator →