#B23338#B23338

#B23338 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.163 H 23.0°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B23338
RGB	rgb(178, 51, 56)
HSL	hsl(358, 55%, 45%)
HSV	hsv(358, 71%, 70%)
CMYK	cmyk(0%, 71.3%, 68.5%, 30.2%)
CIE-LAB	lab(41.41, 51.23, 27.30)
CIE-LCH	lch(41.41, 58.05, 28.05°)
OKLab	oklab(51.47% 0.1503 0.0637)
OKLCH	oklch(51.47% 0.163 23)
XYZ	xyz(20.2599, 12.1211, 5.0134)
Luminance	0.1212 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23338 #33B2AD

analogous

#B23377 #B23338 #B26E33

triadic

#B23338 #38B233 #3338B2

tetradic

#B23338 #77B233 #33B2AD #6E33B2

square

#B23338 #77B233 #33B2AD #6E33B2

split-complementary

#B23338 #33B26E #3377B2

monochromatic

#53181A #822529 #B23338 #CE5459 #DC8487

Accessibility & contrast

On white

6.13

#B23338 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B23338 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23338

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23338	#FFFFFF	#000000	##FFFFFF
##B23338	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575037

Deuteranopia (green-blind)

#776C34

Tritanopia (blue-blind)

#C40636

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23338;
/* rgb */ color: rgb(178, 51, 56);
/* oklch */ color: oklch(51.5% 0.163 23.0);

Tailwind

colors: {
  custom: {
    50: '#d1746e',
    500: '#b23338',
    950: '#000000',
  },
}

SCSS

$custom: #b23338;
$custom-light: #d1746e;
$custom-dark: #000000;

JSON

{
  "hex": "#b23338",
  "rgb": {
    "r": 178,
    "g": 51,
    "b": 56
  },
  "hsl": {
    "h": 357.638,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51471,
    "c": 0.16322,
    "h": 23
  },
  "luminance": 0.12118
}

Semantic roles & 50–950 ramp

primary

#B23338

secondary

#7CC5C2

accent

#DFD949

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23338

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

Preview Lab → · Contrast checker → · Palette generator →