#B23C3F#B23C3F

#B23C3F is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.153 H 22.7°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B23C3F
RGB	rgb(178, 60, 63)
HSL	hsl(358, 50%, 47%)
HSV	hsv(358, 66%, 70%)
CMYK	cmyk(0%, 66.3%, 64.6%, 30.2%)
CIE-LAB	lab(42.85, 48.00, 24.84)
CIE-LCH	lch(42.85, 54.05, 27.36°)
OKLab	oklab(52.59% 0.1415 0.0591)
OKLCH	oklch(52.59% 0.153 22.7)
XYZ	xyz(20.8753, 13.0585, 6.1230)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23C3F #3CB2AF

analogous

#B23C7A #B23C3F #B2743C

triadic

#B23C3F #3FB23C #3C3FB2

tetradic

#B23C3F #7AB23C #3CB2AF #743CB2

square

#B23C3F #7AB23C #3CB2AF #743CB2

split-complementary

#B23C3F #3CB274 #3C7AB2

monochromatic

#561D1F #842D2F #B23C3F #CA6164 #D98F91

Accessibility & contrast

On white

5.82

#B23C3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B23C3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23C3F

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23C3F	#FFFFFF	#000000	##FFFFFF
##B23C3F	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553E

Deuteranopia (green-blind)

#796E3C

Tritanopia (blue-blind)

#C3203E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23c3f;
/* rgb */ color: rgb(178, 60, 63);
/* oklch */ color: oklch(52.6% 0.153 22.7);

Tailwind

colors: {
  custom: {
    50: '#d07874',
    500: '#b23c3f',
    950: '#000000',
  },
}

SCSS

$custom: #b23c3f;
$custom-light: #d07874;
$custom-dark: #000000;

JSON

{
  "hex": "#b23c3f",
  "rgb": {
    "r": 178,
    "g": 60,
    "b": 63
  },
  "hsl": {
    "h": 358.475,
    "s": 49.58,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52586,
    "c": 0.15333,
    "h": 22.7
  },
  "luminance": 0.13056
}

Semantic roles & 50–950 ramp

primary

#B23C3F

secondary

#86C4C3

accent

#D9D64F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23C3F

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

Preview Lab → · Contrast checker → · Palette generator →