#B23636#B23636

#B23636 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.161 H 24.7°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B23636
RGB	rgb(178, 54, 54)
HSL	hsl(0, 53%, 45%)
HSV	hsv(0, 70%, 70%)
CMYK	cmyk(0%, 69.7%, 69.7%, 30.2%)
CIE-LAB	lab(41.80, 49.96, 28.98)
CIE-LCH	lch(41.80, 57.75, 30.11°)
OKLab	oklab(51.76% 0.1458 0.0671)
OKLCH	oklch(51.76% 0.161 24.7)
XYZ	xyz(20.3473, 12.3726, 4.8061)
Luminance	0.1237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23636 #36B2B2

analogous

#B23674 #B23636 #B27436

triadic

#B23636 #36B236 #3636B2

tetradic

#B23636 #74B236 #36B2B2 #7436B2

square

#B23636 #74B236 #36B2B2 #7436B2

split-complementary

#B23636 #36B274 #3674B2

monochromatic

#541A1A #832828 #B23636 #CD5959 #DB8888

Accessibility & contrast

On white

6.04

#B23636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B23636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23636

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23636	#FFFFFF	#000000	##FFFFFF
##B23636	1.00	6.04	3.47	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595235

Deuteranopia (green-blind)

#786C32

Tritanopia (blue-blind)

#C40F37

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b23636;
/* rgb */ color: rgb(178, 54, 54);
/* oklch */ color: oklch(51.8% 0.161 24.7);

Tailwind

colors: {
  custom: {
    50: '#d1756d',
    500: '#b23636',
    950: '#000000',
  },
}

SCSS

$custom: #b23636;
$custom-light: #d1756d;
$custom-dark: #000000;

JSON

{
  "hex": "#b23636",
  "rgb": {
    "r": 178,
    "g": 54,
    "b": 54
  },
  "hsl": {
    "h": 0,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51755,
    "c": 0.16053,
    "h": 24.7
  },
  "luminance": 0.1237
}

Semantic roles & 50–950 ramp

primary

#B23636

secondary

#7FC5C5

accent

#DDDD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23636

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

Preview Lab → · Contrast checker → · Palette generator →