#B23328#B23328

#B23328 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.165 H 29.1°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B23328
RGB	rgb(178, 51, 40)
HSL	hsl(5, 63%, 43%)
HSV	hsv(5, 78%, 70%)
CMYK	cmyk(0%, 71.3%, 77.5%, 30.2%)
CIE-LAB	lab(41.20, 50.50, 36.44)
CIE-LCH	lch(41.20, 62.27, 35.81°)
OKLab	oklab(51.25% 0.1446 0.0803)
OKLCH	oklch(51.25% 0.165 29.1)
XYZ	xyz(19.9292, 11.9889, 3.2718)
Luminance	0.1199 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23328 #28A7B2

analogous

#B22862 #B23328 #B27828

triadic

#B23328 #28B233 #3328B2

tetradic

#B23328 #62B228 #28A7B2 #7828B2

square

#B23328 #62B228 #28A7B2 #7828B2

split-complementary

#B23328 #28B278 #2862B2

monochromatic

#4E1612 #80251D #B23328 #D54E43 #E07D75

Accessibility & contrast

On white

6.18

#B23328 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B23328 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23328

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23328	#FFFFFF	#000000	##FFFFFF
##B23328	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F26

Deuteranopia (green-blind)

#786B23

Tritanopia (blue-blind)

#C40032

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b23328;
/* rgb */ color: rgb(178, 51, 40);
/* oklch */ color: oklch(51.2% 0.165 29.1);

Tailwind

colors: {
  custom: {
    50: '#d27363',
    500: '#b23328',
    950: '#000000',
  },
}

SCSS

$custom: #b23328;
$custom-light: #d27363;
$custom-dark: #000000;

JSON

{
  "hex": "#b23328",
  "rgb": {
    "r": 178,
    "g": 51,
    "b": 40
  },
  "hsl": {
    "h": 4.783,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51247,
    "c": 0.16538,
    "h": 29.1
  },
  "luminance": 0.11986
}

Semantic roles & 50–950 ramp

primary

#B23328

secondary

#6FC0C7

accent

#D9E641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B23328

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

Preview Lab → · Contrast checker → · Palette generator →