#B23D3A#B23D3A

#B23D3A is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.153 H 25.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B23D3A
RGB	rgb(178, 61, 58)
HSL	hsl(2, 51%, 46%)
HSV	hsv(2, 67%, 70%)
CMYK	cmyk(0%, 65.7%, 67.4%, 30.2%)
CIE-LAB	lab(42.93, 47.27, 27.95)
CIE-LCH	lch(42.93, 54.92, 30.59°)
OKLab	oklab(52.62% 0.1382 0.0654)
OKLCH	oklch(52.62% 0.153 25.3)
XYZ	xyz(20.7947, 13.1109, 5.4378)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D3A #3AAFB2

analogous

#B23A73 #B23D3A #B2793A

triadic

#B23D3A #3AB23D #3D3AB2

tetradic

#B23D3A #73B23A #3AAFB2 #793AB2

square

#B23D3A #73B23A #3AAFB2 #793AB2

split-complementary

#B23D3A #3AB279 #3A73B2

monochromatic

#561D1C #842D2B #B23D3A #CB615F #DA8F8D

Accessibility & contrast

On white

5.80

#B23D3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B23D3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D3A

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D3A	#FFFFFF	#000000	##FFFFFF
##B23D3A	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5539

Deuteranopia (green-blind)

#7A6F37

Tritanopia (blue-blind)

#C3203D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d3a;
/* rgb */ color: rgb(178, 61, 58);
/* oklch */ color: oklch(52.6% 0.153 25.3);

Tailwind

colors: {
  custom: {
    50: '#d07970',
    500: '#b23d3a',
    950: '#000000',
  },
}

SCSS

$custom: #b23d3a;
$custom-light: #d07970;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d3a",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 58
  },
  "hsl": {
    "h": 1.5,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52619,
    "c": 0.1529,
    "h": 25.3
  },
  "luminance": 0.13108
}

Semantic roles & 50–950 ramp

primary

#B23D3A

secondary

#83C3C4

accent

#D7DA4D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23D3A

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

Preview Lab → · Contrast checker → · Palette generator →