#B23743#B23743

#B23743 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.158 H 19.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B23743
RGB	rgb(178, 55, 67)
HSL	hsl(354, 53%, 46%)
HSV	hsv(354, 69%, 70%)
CMYK	cmyk(0%, 69.1%, 62.4%, 30.2%)
CIE-LAB	lab(42.16, 50.32, 21.52)
CIE-LCH	lch(42.16, 54.73, 23.15°)
OKLab	oklab(52.09% 0.1496 0.052)
OKLCH	oklch(52.09% 0.158 19.2)
XYZ	xyz(20.7415, 12.6055, 6.6500)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23743 #37B2A6

analogous

#B23780 #B23743 #B26837

triadic

#B23743 #43B237 #3743B2

tetradic

#B23743 #80B237 #37B2A6 #6837B2

square

#B23743 #80B237 #37B2A6 #6837B2

split-complementary

#B23743 #37B268 #3780B2

monochromatic

#541A20 #832931 #B23743 #CC5A65 #DB8991

Accessibility & contrast

On white

5.96

#B23743 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B23743 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23743

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23743	#FFFFFF	#000000	##FFFFFF
##B23743	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)

#585343

Deuteranopia (green-blind)

#776D40

Tritanopia (blue-blind)

#C3183C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b23743;
/* rgb */ color: rgb(178, 55, 67);
/* oklch */ color: oklch(52.1% 0.158 19.2);

Tailwind

colors: {
  custom: {
    50: '#d07677',
    500: '#b23743',
    950: '#000000',
  },
}

SCSS

$custom: #b23743;
$custom-light: #d07677;
$custom-dark: #000000;

JSON

{
  "hex": "#b23743",
  "rgb": {
    "r": 178,
    "g": 55,
    "b": 67
  },
  "hsl": {
    "h": 354.146,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52094,
    "c": 0.15839,
    "h": 19.2
  },
  "luminance": 0.12603
}

Semantic roles & 50–950 ramp

primary

#B23743

secondary

#80C5BE

accent

#DCCE4C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23743

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

Preview Lab → · Contrast checker → · Palette generator →