#B23238#B23238

#B23238 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.164 H 22.7°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B23238
RGB	rgb(178, 50, 56)
HSL	hsl(357, 56%, 45%)
HSV	hsv(357, 72%, 70%)
CMYK	cmyk(0%, 71.9%, 68.5%, 30.2%)
CIE-LAB	lab(41.27, 51.61, 27.13)
CIE-LCH	lch(41.27, 58.30, 27.73°)
OKLab	oklab(51.37% 0.1515 0.0633)
OKLCH	oklch(51.37% 0.164 22.7)
XYZ	xyz(20.2167, 12.0347, 4.9990)
Luminance	0.1203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23238 #32B2AC

analogous

#B23278 #B23238 #B26C32

triadic

#B23238 #38B232 #3238B2

tetradic

#B23238 #78B232 #32B2AC #6C32B2

square

#B23238 #78B232 #32B2AC #6C32B2

split-complementary

#B23238 #32B26C #3278B2

monochromatic

#52171A #822529 #B23238 #CF5358 #DC8287

Accessibility & contrast

On white

6.16

#B23238 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B23238 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23238

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23238	#FFFFFF	#000000	##FFFFFF
##B23238	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)

#565037

Deuteranopia (green-blind)

#766B34

Tritanopia (blue-blind)

#C40235

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b23238;
/* rgb */ color: rgb(178, 50, 56);
/* oklch */ color: oklch(51.4% 0.164 22.7);

Tailwind

colors: {
  custom: {
    50: '#d1736e',
    500: '#b23238',
    950: '#000000',
  },
}

SCSS

$custom: #b23238;
$custom-light: #d1736e;
$custom-dark: #000000;

JSON

{
  "hex": "#b23238",
  "rgb": {
    "r": 178,
    "g": 50,
    "b": 56
  },
  "hsl": {
    "h": 357.188,
    "s": 56.14,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51368,
    "c": 0.16418,
    "h": 22.7
  },
  "luminance": 0.12032
}

Semantic roles & 50–950 ramp

primary

#B23238

secondary

#7BC5C2

accent

#DFD848

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23238

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

Preview Lab → · Contrast checker → · Palette generator →