#B23933#B23933

#B23933 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.158 H 26.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B23933
RGB	rgb(178, 57, 51)
HSL	hsl(3, 55%, 45%)
HSV	hsv(3, 71%, 70%)
CMYK	cmyk(0%, 68%, 71.3%, 30.2%)
CIE-LAB	lab(42.21, 48.59, 31.23)
CIE-LCH	lch(42.21, 57.77, 32.73°)
OKLab	oklab(52.04% 0.1409 0.0715)
OKLCH	oklch(52.04% 0.158 26.9)
XYZ	xyz(20.4230, 12.6332, 4.4944)
Luminance	0.1263 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23933 #33ACB2

analogous

#B2336C #B23933 #B27933

triadic

#B23933 #33B239 #3933B2

tetradic

#B23933 #6CB233 #33ACB2 #7933B2

square

#B23933 #6CB233 #33ACB2 #7933B2

split-complementary

#B23933 #33B279 #336CB2

monochromatic

#531B18 #822A25 #B23933 #CE5A54 #DC8884

Accessibility & contrast

On white

5.96

#B23933 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B23933 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23933

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23933	#FFFFFF	#000000	##FFFFFF
##B23933	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5331

Deuteranopia (green-blind)

#796D2F

Tritanopia (blue-blind)

#C41639

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23933;
/* rgb */ color: rgb(178, 57, 51);
/* oklch */ color: oklch(52.0% 0.158 26.9);

Tailwind

colors: {
  custom: {
    50: '#d1766b',
    500: '#b23933',
    950: '#000000',
  },
}

SCSS

$custom: #b23933;
$custom-light: #d1766b;
$custom-dark: #000000;

JSON

{
  "hex": "#b23933",
  "rgb": {
    "r": 178,
    "g": 57,
    "b": 51
  },
  "hsl": {
    "h": 2.835,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52043,
    "c": 0.158,
    "h": 26.9
  },
  "luminance": 0.1263
}

Semantic roles & 50–950 ramp

primary

#B23933

secondary

#7CC2C5

accent

#D8DF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23933

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

Preview Lab → · Contrast checker → · Palette generator →