#B23D33#B23D33

#B23D33 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.154 H 28.3°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B23D33
RGB	rgb(178, 61, 51)
HSL	hsl(5, 55%, 45%)
HSV	hsv(5, 71%, 70%)
CMYK	cmyk(0%, 65.7%, 71.3%, 30.2%)
CIE-LAB	lab(42.83, 46.90, 31.96)
CIE-LCH	lch(42.83, 56.76, 34.27°)
OKLab	oklab(52.51% 0.1356 0.0731)
OKLCH	oklch(52.51% 0.154 28.3)
XYZ	xyz(20.6286, 13.0444, 4.5629)
Luminance	0.1304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D33 #33A8B2

analogous

#B23369 #B23D33 #B27C33

triadic

#B23D33 #33B23D #3D33B2

tetradic

#B23D33 #69B233 #33A8B2 #7C33B2

square

#B23D33 #69B233 #33A8B2 #7C33B2

split-complementary

#B23D33 #33B27C #3369B2

monochromatic

#531C18 #822D25 #B23D33 #CE5E54 #DC8B84

Accessibility & contrast

On white

5.82

#B23D33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B23D33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D33

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D33	#FFFFFF	#000000	##FFFFFF
##B23D33	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5531

Deuteranopia (green-blind)

#7A6F2F

Tritanopia (blue-blind)

#C41F3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d33;
/* rgb */ color: rgb(178, 61, 51);
/* oklch */ color: oklch(52.5% 0.154 28.3);

Tailwind

colors: {
  custom: {
    50: '#d0796b',
    500: '#b23d33',
    950: '#000000',
  },
}

SCSS

$custom: #b23d33;
$custom-light: #d0796b;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d33",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 51
  },
  "hsl": {
    "h": 4.724,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52512,
    "c": 0.15403,
    "h": 28.3
  },
  "luminance": 0.13041
}

Semantic roles & 50–950 ramp

primary

#B23D33

secondary

#7CBFC5

accent

#D3DF49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23D33

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

Preview Lab → · Contrast checker → · Palette generator →