#B23D2A#B23D2A

#B23D2A is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.156 H 31.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B23D2A
RGB	rgb(178, 61, 42)
HSL	hsl(8, 62%, 43%)
HSV	hsv(8, 76%, 70%)
CMYK	cmyk(0%, 65.7%, 76.4%, 30.2%)
CIE-LAB	lab(42.72, 46.49, 36.95)
CIE-LCH	lch(42.72, 59.39, 38.48°)
OKLab	oklab(52.4% 0.1325 0.082)
OKLCH	oklch(52.4% 0.156 31.8)
XYZ	xyz(20.4490, 12.9726, 3.6172)
Luminance	0.1297 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D2A #2A9FB2

analogous

#B22A5B #B23D2A #B2812A

triadic

#B23D2A #2AB23D #3D2AB2

tetradic

#B23D2A #5BB22A #2A9FB2 #812AB2

square

#B23D2A #5BB22A #2A9FB2 #812AB2

split-complementary

#B23D2A #2AB281 #2A5BB2

monochromatic

#4F1B13 #802C1E #B23D2A #D35A46 #DF8677

Accessibility & contrast

On white

5.84

#B23D2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B23D2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D2A

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D2A	#FFFFFF	#000000	##FFFFFF
##B23D2A	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5527

Deuteranopia (green-blind)

#7B6E26

Tritanopia (blue-blind)

#C41C39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d2a;
/* rgb */ color: rgb(178, 61, 42);
/* oklch */ color: oklch(52.4% 0.156 31.8);

Tailwind

colors: {
  custom: {
    50: '#d17865',
    500: '#b23d2a',
    950: '#000000',
  },
}

SCSS

$custom: #b23d2a;
$custom-light: #d17865;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d2a",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 42
  },
  "hsl": {
    "h": 8.382,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52396,
    "c": 0.15577,
    "h": 31.8
  },
  "luminance": 0.1297
}

Semantic roles & 50–950 ramp

primary

#B23D2A

secondary

#71BBC7

accent

#CEE543

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B23D2A

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

Preview Lab → · Contrast checker → · Palette generator →