#B23A34#B23A34

#B23A34 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.157 H 26.9°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B23A34
RGB	rgb(178, 58, 52)
HSL	hsl(3, 55%, 45%)
HSV	hsv(3, 71%, 70%)
CMYK	cmyk(0%, 67.4%, 70.8%, 30.2%)
CIE-LAB	lab(42.37, 48.23, 30.84)
CIE-LCH	lch(42.37, 57.25, 32.60°)
OKLab	oklab(52.17% 0.1399 0.0709)
OKLCH	oklch(52.17% 0.157 26.9)
XYZ	xyz(20.4952, 12.7420, 4.6284)
Luminance	0.1274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23A34 #34ACB2

analogous

#B2346D #B23A34 #B27934

triadic

#B23A34 #34B23A #3A34B2

tetradic

#B23A34 #6DB234 #34ACB2 #7934B2

square

#B23A34 #6DB234 #34ACB2 #7934B2

split-complementary

#B23A34 #34B279 #346DB2

monochromatic

#531B18 #832B26 #B23A34 #CE5B56 #DB8985

Accessibility & contrast

On white

5.92

#B23A34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B23A34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23A34

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23A34	#FFFFFF	#000000	##FFFFFF
##B23A34	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5432

Deuteranopia (green-blind)

#796E30

Tritanopia (blue-blind)

#C4193A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23a34;
/* rgb */ color: rgb(178, 58, 52);
/* oklch */ color: oklch(52.2% 0.157 26.9);

Tailwind

colors: {
  custom: {
    50: '#d1776c',
    500: '#b23a34',
    950: '#000000',
  },
}

SCSS

$custom: #b23a34;
$custom-light: #d1776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b23a34",
  "rgb": {
    "r": 178,
    "g": 58,
    "b": 52
  },
  "hsl": {
    "h": 2.857,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52172,
    "c": 0.15686,
    "h": 26.9
  },
  "luminance": 0.12739
}

Semantic roles & 50–950 ramp

primary

#B23A34

secondary

#7DC2C5

accent

#D7DE4A

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23A34

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

Preview Lab → · Contrast checker → · Palette generator →