#B23228#B23228

#B23228 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.166 H 28.8°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B23228
RGB	rgb(178, 50, 40)
HSL	hsl(4, 63%, 43%)
HSV	hsv(4, 78%, 70%)
CMYK	cmyk(0%, 71.9%, 77.5%, 30.2%)
CIE-LAB	lab(41.06, 50.88, 36.29)
CIE-LCH	lch(41.06, 62.50, 35.50°)
OKLab	oklab(51.14% 0.1458 0.08)
OKLCH	oklch(51.14% 0.166 28.8)
XYZ	xyz(19.8860, 11.9024, 3.2574)
Luminance	0.1190 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23228 #28A8B2

analogous

#B22863 #B23228 #B27728

triadic

#B23228 #28B232 #3228B2

tetradic

#B23228 #63B228 #28A8B2 #7728B2

square

#B23228 #63B228 #28A8B2 #7728B2

split-complementary

#B23228 #28B277 #2863B2

monochromatic

#4E1612 #80241D #B23228 #D54D43 #E07C75

Accessibility & contrast

On white

6.21

#B23228 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B23228 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23228

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23228	#FFFFFF	#000000	##FFFFFF
##B23228	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F26

Deuteranopia (green-blind)

#786B23

Tritanopia (blue-blind)

#C40031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b23228;
/* rgb */ color: rgb(178, 50, 40);
/* oklch */ color: oklch(51.1% 0.166 28.8);

Tailwind

colors: {
  custom: {
    50: '#d27363',
    500: '#b23228',
    950: '#000000',
  },
}

SCSS

$custom: #b23228;
$custom-light: #d27363;
$custom-dark: #000000;

JSON

{
  "hex": "#b23228",
  "rgb": {
    "r": 178,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 4.348,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51144,
    "c": 0.16627,
    "h": 28.8
  },
  "luminance": 0.11899
}

Semantic roles & 50–950 ramp

primary

#B23228

secondary

#6FC1C7

accent

#DAE641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B23228

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

Preview Lab → · Contrast checker → · Palette generator →