#B23744#B23744

#B23744 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.158 H 18.7°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B23744
RGB	rgb(178, 55, 68)
HSL	hsl(354, 53%, 46%)
HSV	hsv(354, 69%, 70%)
CMYK	cmyk(0%, 69.1%, 61.8%, 30.2%)
CIE-LAB	lab(42.18, 50.39, 20.93)
CIE-LCH	lch(42.18, 54.56, 22.55°)
OKLab	oklab(52.11% 0.15 0.0507)
OKLCH	oklch(52.11% 0.158 18.7)
XYZ	xyz(20.7717, 12.6176, 6.8094)
Luminance	0.1262 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23744 #37B2A5

analogous

#B23781 #B23744 #B26837

triadic

#B23744 #44B237 #3744B2

tetradic

#B23744 #81B237 #37B2A5 #6837B2

square

#B23744 #81B237 #37B2A5 #6837B2

split-complementary

#B23744 #37B268 #3781B2

monochromatic

#541A20 #832932 #B23744 #CC5A66 #DB8992

Accessibility & contrast

On white

5.96

#B23744 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B23744 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23744

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23744	#FFFFFF	#000000	##FFFFFF
##B23744	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575344

Deuteranopia (green-blind)

#776D41

Tritanopia (blue-blind)

#C3183D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23744;
/* rgb */ color: rgb(178, 55, 68);
/* oklch */ color: oklch(52.1% 0.158 18.7);

Tailwind

colors: {
  custom: {
    50: '#d07677',
    500: '#b23744',
    950: '#000000',
  },
}

SCSS

$custom: #b23744;
$custom-light: #d07677;
$custom-dark: #000000;

JSON

{
  "hex": "#b23744",
  "rgb": {
    "r": 178,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 353.659,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52114,
    "c": 0.15836,
    "h": 18.7
  },
  "luminance": 0.12615
}

Semantic roles & 50–950 ramp

primary

#B23744

secondary

#80C5BD

accent

#DCCD4C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23744

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

Preview Lab → · Contrast checker → · Palette generator →