#B23533#B23533

#B23533 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.162 H 25.6°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B23533
RGB	rgb(178, 53, 51)
HSL	hsl(1, 55%, 45%)
HSV	hsv(1, 71%, 70%)
CMYK	cmyk(0%, 70.2%, 71.3%, 30.2%)
CIE-LAB	lab(41.62, 50.20, 30.54)
CIE-LCH	lch(41.62, 58.76, 31.32°)
OKLab	oklab(51.6% 0.146 0.07)
OKLCH	oklch(51.6% 0.162 25.6)
XYZ	xyz(20.2330, 12.2532, 4.4310)
Luminance	0.1225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23533 #33B0B2

analogous

#B23370 #B23533 #B27533

triadic

#B23533 #33B235 #3533B2

tetradic

#B23533 #70B233 #33B0B2 #7533B2

square

#B23533 #70B233 #33B0B2 #7533B2

split-complementary

#B23533 #33B275 #3370B2

monochromatic

#531918 #822725 #B23533 #CE5654 #DC8584

Accessibility & contrast

On white

6.09

#B23533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B23533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23533

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23533	#FFFFFF	#000000	##FFFFFF
##B23533	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585132

Deuteranopia (green-blind)

#786C2F

Tritanopia (blue-blind)

#C40A36

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23533;
/* rgb */ color: rgb(178, 53, 51);
/* oklch */ color: oklch(51.6% 0.162 25.6);

Tailwind

colors: {
  custom: {
    50: '#d1746b',
    500: '#b23533',
    950: '#000000',
  },
}

SCSS

$custom: #b23533;
$custom-light: #d1746b;
$custom-dark: #000000;

JSON

{
  "hex": "#b23533",
  "rgb": {
    "r": 178,
    "g": 53,
    "b": 51
  },
  "hsl": {
    "h": 0.945,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51602,
    "c": 0.16189,
    "h": 25.6
  },
  "luminance": 0.1225
}

Semantic roles & 50–950 ramp

primary

#B23533

secondary

#7CC4C5

accent

#DCDF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23533

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

Preview Lab → · Contrast checker → · Palette generator →