#B23A45#B23A45

#B23A45 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.155 H 19.1°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B23A45
RGB	rgb(178, 58, 69)
HSL	hsl(355, 51%, 46%)
HSV	hsv(355, 67%, 70%)
CMYK	cmyk(0%, 67.4%, 61.2%, 30.2%)
CIE-LAB	lab(42.65, 49.23, 20.92)
CIE-LCH	lch(42.65, 53.49, 23.02°)
OKLab	oklab(52.47% 0.1465 0.0508)
OKLCH	oklch(52.47% 0.155 19.1)
XYZ	xyz(20.9494, 12.9237, 7.0204)
Luminance	0.1292 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23A45 #3AB2A7

analogous

#B23A81 #B23A45 #B26B3A

triadic

#B23A45 #45B23A #3A45B2

tetradic

#B23A45 #81B23A #3AB2A7 #6B3AB2

square

#B23A45 #81B23A #3AB2A7 #6B3AB2

split-complementary

#B23A45 #3AB26B #3A81B2

monochromatic

#561C21 #842B33 #B23A45 #CB5F68 #DA8D94

Accessibility & contrast

On white

5.86

#B23A45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B23A45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23A45

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23A45	#FFFFFF	#000000	##FFFFFF
##B23A45	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595545

Deuteranopia (green-blind)

#786E42

Tritanopia (blue-blind)

#C31E3F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23a45;
/* rgb */ color: rgb(178, 58, 69);
/* oklch */ color: oklch(52.5% 0.155 19.1);

Tailwind

colors: {
  custom: {
    50: '#cf7778',
    500: '#b23a45',
    950: '#000000',
  },
}

SCSS

$custom: #b23a45;
$custom-light: #cf7778;
$custom-dark: #000000;

JSON

{
  "hex": "#b23a45",
  "rgb": {
    "r": 178,
    "g": 58,
    "b": 69
  },
  "hsl": {
    "h": 354.5,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52468,
    "c": 0.15507,
    "h": 19.1
  },
  "luminance": 0.12921
}

Semantic roles & 50–950 ramp

primary

#B23A45

secondary

#83C4BE

accent

#DACD4D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B23A45

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

Preview Lab → · Contrast checker → · Palette generator →