#B23A2D#B23A2D

#B23A2D is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.158 H 29.6°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B23A2D
RGB	rgb(178, 58, 45)
HSL	hsl(6, 60%, 44%)
HSV	hsv(6, 75%, 70%)
CMYK	cmyk(0%, 67.4%, 74.7%, 30.2%)
CIE-LAB	lab(42.28, 47.90, 34.79)
CIE-LCH	lch(42.28, 59.20, 35.99°)
OKLab	oklab(52.08% 0.1375 0.078)
OKLCH	oklch(52.08% 0.158 29.6)
XYZ	xyz(20.3491, 12.6835, 3.8588)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23A2D #2DA5B2

analogous

#B22D62 #B23A2D #B27C2D

triadic

#B23A2D #2DB23A #3A2DB2

tetradic

#B23A2D #62B22D #2DA5B2 #7C2DB2

square

#B23A2D #62B22D #2DA5B2 #7C2DB2

split-complementary

#B23A2D #2DB27C #2D62B2

monochromatic

#501A14 #812A21 #B23A2D #D1584B #DE857C

Accessibility & contrast

On white

5.94

#B23A2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B23A2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23A2D

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23A2D	#FFFFFF	#000000	##FFFFFF
##B23A2D	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C532B

Deuteranopia (green-blind)

#7A6D29

Tritanopia (blue-blind)

#C41738

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23a2d;
/* rgb */ color: rgb(178, 58, 45);
/* oklch */ color: oklch(52.1% 0.158 29.6);

Tailwind

colors: {
  custom: {
    50: '#d17767',
    500: '#b23a2d',
    950: '#000000',
  },
}

SCSS

$custom: #b23a2d;
$custom-light: #d17767;
$custom-dark: #000000;

JSON

{
  "hex": "#b23a2d",
  "rgb": {
    "r": 178,
    "g": 58,
    "b": 45
  },
  "hsl": {
    "h": 5.865,
    "s": 59.641,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52077,
    "c": 0.15805,
    "h": 29.6
  },
  "luminance": 0.12681
}

Semantic roles & 50–950 ramp

primary

#B23A2D

secondary

#75BEC6

accent

#D3E345

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23A2D

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

Preview Lab → · Contrast checker → · Palette generator →