#B23136#B23136

#B23136 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.165 H 23.3°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B23136
RGB	rgb(178, 49, 54)
HSL	hsl(358, 57%, 45%)
HSV	hsv(358, 72%, 70%)
CMYK	cmyk(0%, 72.5%, 69.7%, 30.2%)
CIE-LAB	lab(41.11, 51.87, 28.14)
CIE-LCH	lch(41.11, 59.01, 28.48°)
OKLab	oklab(51.24% 0.1519 0.0653)
OKLCH	oklch(51.24% 0.165 23.3)
XYZ	xyz(20.1265, 11.9310, 4.7324)
Luminance	0.1193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23136 #31B2AD

analogous

#B23177 #B23136 #B26C31

triadic

#B23136 #36B231 #3136B2

tetradic

#B23136 #77B231 #31B2AD #6C31B2

square

#B23136 #77B231 #31B2AD #6C31B2

split-complementary

#B23136 #31B26C #3177B2

monochromatic

#521719 #822427 #B23136 #CF5156 #DC8185

Accessibility & contrast

On white

6.20

#B23136 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B23136 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23136

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23136	#FFFFFF	#000000	##FFFFFF
##B23136	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F35

Deuteranopia (green-blind)

#766B32

Tritanopia (blue-blind)

#C40034

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b23136;
/* rgb */ color: rgb(178, 49, 54);
/* oklch */ color: oklch(51.2% 0.165 23.3);

Tailwind

colors: {
  custom: {
    50: '#d1736d',
    500: '#b23136',
    950: '#000000',
  },
}

SCSS

$custom: #b23136;
$custom-light: #d1736d;
$custom-dark: #000000;

JSON

{
  "hex": "#b23136",
  "rgb": {
    "r": 178,
    "g": 49,
    "b": 54
  },
  "hsl": {
    "h": 357.674,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51236,
    "c": 0.16532,
    "h": 23.3
  },
  "luminance": 0.11928
}

Semantic roles & 50–950 ramp

primary

#B23136

secondary

#79C5C2

accent

#E0DA48

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23136

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

Preview Lab → · Contrast checker → · Palette generator →