#B23749#B23749

#B23749 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.158 H 16.2°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B23749
RGB	rgb(178, 55, 73)
HSL	hsl(351, 53%, 46%)
HSV	hsv(351, 69%, 70%)
CMYK	cmyk(0%, 69.1%, 59%, 30.2%)
CIE-LAB	lab(42.28, 50.74, 17.96)
CIE-LCH	lch(42.28, 53.82, 19.50°)
OKLab	oklab(52.22% 0.152 0.0442)
OKLCH	oklch(52.22% 0.158 16.2)
XYZ	xyz(20.9309, 12.6813, 7.6476)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23749 #37B2A0

analogous

#B23786 #B23749 #B26337

triadic

#B23749 #49B237 #3749B2

tetradic

#B23749 #86B237 #37B2A0 #6337B2

square

#B23749 #86B237 #37B2A0 #6337B2

split-complementary

#B23749 #37B263 #3786B2

monochromatic

#541A23 #832936 #B23749 #CC5A6B #DB8995

Accessibility & contrast

On white

5.94

#B23749 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B23749 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23749

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23749	#FFFFFF	#000000	##FFFFFF
##B23749	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)

#575449

Deuteranopia (green-blind)

#766D46

Tritanopia (blue-blind)

#C31A3E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23749;
/* rgb */ color: rgb(178, 55, 73);
/* oklch */ color: oklch(52.2% 0.158 16.2);

Tailwind

colors: {
  custom: {
    50: '#cf767b',
    500: '#b23749',
    950: '#000000',
  },
}

SCSS

$custom: #b23749;
$custom-light: #cf767b;
$custom-dark: #000000;

JSON

{
  "hex": "#b23749",
  "rgb": {
    "r": 178,
    "g": 55,
    "b": 73
  },
  "hsl": {
    "h": 351.22,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52218,
    "c": 0.15831,
    "h": 16.2
  },
  "luminance": 0.12678
}

Semantic roles & 50–950 ramp

primary

#B23749

secondary

#80C5BB

accent

#DCC74C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B23749

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

Preview Lab → · Contrast checker → · Palette generator →