#B23D3D#B23D3D

#B23D3D is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.152 H 24.0°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B23D3D
RGB	rgb(178, 61, 61)
HSL	hsl(0, 49%, 47%)
HSV	hsv(0, 66%, 70%)
CMYK	cmyk(0%, 65.7%, 65.7%, 30.2%)
CIE-LAB	lab(42.98, 47.45, 26.21)
CIE-LCH	lch(42.98, 54.21, 28.91°)
OKLab	oklab(52.67% 0.1393 0.062)
OKLCH	oklch(52.67% 0.153 24)
XYZ	xyz(20.8733, 13.1423, 5.8516)
Luminance	0.1314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D3D #3DB2B2

analogous

#B23D78 #B23D3D #B2783D

triadic

#B23D3D #3DB23D #3D3DB2

tetradic

#B23D3D #78B23D #3DB2B2 #783DB2

square

#B23D3D #78B23D #3DB2B2 #783DB2

split-complementary

#B23D3D #3DB278 #3D78B2

monochromatic

#571E1E #842D2D #B23D3D #C96363 #D99090

Accessibility & contrast

On white

5.79

#B23D3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B23D3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D3D

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D3D	#FFFFFF	#000000	##FFFFFF
##B23D3D	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)

#5C563C

Deuteranopia (green-blind)

#7A6F3A

Tritanopia (blue-blind)

#C3213E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d3d;
/* rgb */ color: rgb(178, 61, 61);
/* oklch */ color: oklch(52.7% 0.152 24.0);

Tailwind

colors: {
  custom: {
    50: '#d07972',
    500: '#b23d3d',
    950: '#000000',
  },
}

SCSS

$custom: #b23d3d;
$custom-light: #d07972;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d3d",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 0,
    "s": 48.954,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52669,
    "c": 0.1525,
    "h": 24
  },
  "luminance": 0.13139
}

Semantic roles & 50–950 ramp

primary

#B23D3D

secondary

#87C4C4

accent

#D9D94F

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23D3D

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

Preview Lab → · Contrast checker → · Palette generator →