#B23D28#B23D28

#B23D28 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.156 H 32.4°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B23D28
RGB	rgb(178, 61, 40)
HSL	hsl(9, 63%, 43%)
HSV	hsv(9, 78%, 70%)
CMYK	cmyk(0%, 65.7%, 77.5%, 30.2%)
CIE-LAB	lab(42.70, 46.41, 38.02)
CIE-LCH	lch(42.70, 60.00, 39.33°)
OKLab	oklab(52.37% 0.1318 0.0838)
OKLCH	oklch(52.37% 0.156 32.4)
XYZ	xyz(20.4141, 12.9586, 3.4334)
Luminance	0.1296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D28 #289DB2

analogous

#B22858 #B23D28 #B28228

triadic

#B23D28 #28B23D #3D28B2

tetradic

#B23D28 #58B228 #289DB2 #8228B2

square

#B23D28 #58B228 #289DB2 #8228B2

split-complementary

#B23D28 #28B282 #2858B2

monochromatic

#4E1B12 #802C1D #B23D28 #D55943 #E08575

Accessibility & contrast

On white

5.85

#B23D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B23D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D28

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D28	#FFFFFF	#000000	##FFFFFF
##B23D28	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5525

Deuteranopia (green-blind)

#7B6E24

Tritanopia (blue-blind)

#C41C39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d28;
/* rgb */ color: rgb(178, 61, 40);
/* oklch */ color: oklch(52.4% 0.156 32.4);

Tailwind

colors: {
  custom: {
    50: '#d17863',
    500: '#b23d28',
    950: '#000000',
  },
}

SCSS

$custom: #b23d28;
$custom-light: #d17863;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d28",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 9.13,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52373,
    "c": 0.15618,
    "h": 32.4
  },
  "luminance": 0.12956
}

Semantic roles & 50–950 ramp

primary

#B23D28

secondary

#6FBAC7

accent

#CDE641

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B23D28

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

Preview Lab → · Contrast checker → · Palette generator →