#B23D3F#B23D3F

#B23D3F is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.152 H 23.0°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B23D3F
RGB	rgb(178, 61, 63)
HSL	hsl(359, 49%, 47%)
HSV	hsv(359, 66%, 70%)
CMYK	cmyk(0%, 65.7%, 64.6%, 30.2%)
CIE-LAB	lab(43.01, 47.57, 25.04)
CIE-LCH	lch(43.01, 53.76, 27.76°)
OKLab	oklab(52.7% 0.1401 0.0596)
OKLCH	oklch(52.7% 0.152 23)
XYZ	xyz(20.9281, 13.1642, 6.1406)
Luminance	0.1316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D3F #3DB2B0

analogous

#B23D7A #B23D3F #B2753D

triadic

#B23D3F #3FB23D #3D3FB2

tetradic

#B23D3F #7AB23D #3DB2B0 #753DB2

square

#B23D3F #7AB23D #3DB2B0 #753DB2

split-complementary

#B23D3F #3DB275 #3D7AB2

monochromatic

#571E1F #842D2F #B23D3F #C96365 #D99092

Accessibility & contrast

On white

5.78

#B23D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B23D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D3F

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D3F	#FFFFFF	#000000	##FFFFFF
##B23D3F	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563E

Deuteranopia (green-blind)

#796F3C

Tritanopia (blue-blind)

#C3223F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23d3f;
/* rgb */ color: rgb(178, 61, 63);
/* oklch */ color: oklch(52.7% 0.152 23.0);

Tailwind

colors: {
  custom: {
    50: '#d07974',
    500: '#b23d3f',
    950: '#000000',
  },
}

SCSS

$custom: #b23d3f;
$custom-light: #d07974;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d3f",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 358.974,
    "s": 48.954,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52704,
    "c": 0.15226,
    "h": 23
  },
  "luminance": 0.13161
}

Semantic roles & 50–950 ramp

primary

#B23D3F

secondary

#87C4C3

accent

#D9D64F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23D3F

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

Preview Lab → · Contrast checker → · Palette generator →