#B23D3E#B23D3E

#B23D3E is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.152 H 23.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B23D3E
RGB	rgb(178, 61, 62)
HSL	hsl(359, 49%, 47%)
HSV	hsv(359, 66%, 70%)
CMYK	cmyk(0%, 65.7%, 65.2%, 30.2%)
CIE-LAB	lab(42.99, 47.51, 25.63)
CIE-LCH	lch(42.99, 53.98, 28.34°)
OKLab	oklab(52.69% 0.1397 0.0608)
OKLCH	oklch(52.69% 0.152 23.5)
XYZ	xyz(20.9004, 13.1532, 5.9947)
Luminance	0.1315 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D3E #3DB2B1

analogous

#B23D79 #B23D3E #B2773D

triadic

#B23D3E #3EB23D #3D3EB2

tetradic

#B23D3E #79B23D #3DB2B1 #773DB2

square

#B23D3E #79B23D #3DB2B1 #773DB2

split-complementary

#B23D3E #3DB277 #3D79B2

monochromatic

#571E1E #842D2E #B23D3E #C96364 #D99091

Accessibility & contrast

On white

5.79

#B23D3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B23D3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D3E

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D3E	#FFFFFF	#000000	##FFFFFF
##B23D3E	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563D

Deuteranopia (green-blind)

#796F3B

Tritanopia (blue-blind)

#C3223F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23d3e;
/* rgb */ color: rgb(178, 61, 62);
/* oklch */ color: oklch(52.7% 0.152 23.5);

Tailwind

colors: {
  custom: {
    50: '#d07973',
    500: '#b23d3e',
    950: '#000000',
  },
}

SCSS

$custom: #b23d3e;
$custom-light: #d07973;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d3e",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 62
  },
  "hsl": {
    "h": 359.487,
    "s": 48.954,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52687,
    "c": 0.15238,
    "h": 23.5
  },
  "luminance": 0.1315
}

Semantic roles & 50–950 ramp

primary

#B23D3E

secondary

#87C4C4

accent

#D9D74F

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23D3E

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

Preview Lab → · Contrast checker → · Palette generator →