#B23C2A#B23C2A

#B23C2A is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.157 H 31.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B23C2A
RGB	rgb(178, 60, 42)
HSL	hsl(8, 62%, 43%)
HSV	hsv(8, 76%, 70%)
CMYK	cmyk(0%, 66.3%, 76.4%, 30.2%)
CIE-LAB	lab(42.56, 46.92, 36.78)
CIE-LCH	lch(42.56, 59.62, 38.09°)
OKLab	oklab(52.28% 0.1338 0.0816)
OKLCH	oklch(52.28% 0.157 31.4)
XYZ	xyz(20.3961, 12.8668, 3.5996)
Luminance	0.1286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23C2A #2AA0B2

analogous

#B22A5C #B23C2A #B2802A

triadic

#B23C2A #2AB23C #3C2AB2

tetradic

#B23C2A #5CB22A #2AA0B2 #802AB2

square

#B23C2A #5CB22A #2AA0B2 #802AB2

split-complementary

#B23C2A #2AB280 #2A5CB2

monochromatic

#4F1B13 #802B1E #B23C2A #D35946 #DF8577

Accessibility & contrast

On white

5.88

#B23C2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B23C2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23C2A

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23C2A	#FFFFFF	#000000	##FFFFFF
##B23C2A	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5427

Deuteranopia (green-blind)

#7B6E26

Tritanopia (blue-blind)

#C41A39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23c2a;
/* rgb */ color: rgb(178, 60, 42);
/* oklch */ color: oklch(52.3% 0.157 31.4);

Tailwind

colors: {
  custom: {
    50: '#d17865',
    500: '#b23c2a',
    950: '#000000',
  },
}

SCSS

$custom: #b23c2a;
$custom-light: #d17865;
$custom-dark: #000000;

JSON

{
  "hex": "#b23c2a",
  "rgb": {
    "r": 178,
    "g": 60,
    "b": 42
  },
  "hsl": {
    "h": 7.941,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52276,
    "c": 0.15672,
    "h": 31.4
  },
  "luminance": 0.12864
}

Semantic roles & 50–950 ramp

primary

#B23C2A

secondary

#71BBC7

accent

#CFE543

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B23C2A

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

Preview Lab → · Contrast checker → · Palette generator →