#B23038#B23038

#B23038 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.166 H 22.1°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B23038
RGB	rgb(178, 48, 56)
HSL	hsl(356, 58%, 44%)
HSV	hsv(356, 73%, 70%)
CMYK	cmyk(0%, 73%, 68.5%, 30.2%)
CIE-LAB	lab(41.00, 52.34, 26.80)
CIE-LCH	lch(41.00, 58.81, 27.11°)
OKLab	oklab(51.17% 0.1538 0.0626)
OKLCH	oklch(51.17% 0.166 22.1)
XYZ	xyz(20.1331, 11.8674, 4.9711)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23038 #30B2AA

analogous

#B23079 #B23038 #B26930

triadic

#B23038 #38B230 #3038B2

tetradic

#B23038 #79B230 #30B2AA #6930B2

square

#B23038 #79B230 #30B2AA #6930B2

split-complementary

#B23038 #30B269 #3079B2

monochromatic

#52161A #822329 #B23038 #D05057 #DD8085

Accessibility & contrast

On white

6.23

#B23038 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B23038 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23038

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23038	#FFFFFF	#000000	##FFFFFF
##B23038	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F37

Deuteranopia (green-blind)

#766B34

Tritanopia (blue-blind)

#C40034

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b23038;
/* rgb */ color: rgb(178, 48, 56);
/* oklch */ color: oklch(51.2% 0.166 22.1);

Tailwind

colors: {
  custom: {
    50: '#d1726e',
    500: '#b23038',
    950: '#000000',
  },
}

SCSS

$custom: #b23038;
$custom-light: #d1726e;
$custom-dark: #000000;

JSON

{
  "hex": "#b23038",
  "rgb": {
    "r": 178,
    "g": 48,
    "b": 56
  },
  "hsl": {
    "h": 356.308,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5117,
    "c": 0.16607,
    "h": 22.1
  },
  "luminance": 0.11864
}

Semantic roles & 50–950 ramp

primary

#B23038

secondary

#78C6C1

accent

#E1D747

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B23038

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

Preview Lab → · Contrast checker → · Palette generator →