#B23943#B23943

#B23943 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.156 H 19.8°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B23943
RGB	rgb(178, 57, 67)
HSL	hsl(355, 51%, 46%)
HSV	hsv(355, 68%, 70%)
CMYK	cmyk(0%, 68%, 62.4%, 30.2%)
CIE-LAB	lab(42.46, 49.51, 21.90)
CIE-LCH	lch(42.46, 54.14, 23.86°)
OKLab	oklab(52.32% 0.147 0.0529)
OKLCH	oklch(52.32% 0.156 19.8)
XYZ	xyz(20.8384, 12.7994, 6.6823)
Luminance	0.1280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23943 #39B2A8

analogous

#B2397F #B23943 #B26B39

triadic

#B23943 #43B239 #3943B2

tetradic

#B23943 #7FB239 #39B2A8 #6B39B2

square

#B23943 #7FB239 #39B2A8 #6B39B2

split-complementary

#B23943 #39B26B #397FB2

monochromatic

#551B20 #842A32 #B23943 #CB5D66 #DA8B92

Accessibility & contrast

On white

5.90

#B23943 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B23943 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23943

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23943	#FFFFFF	#000000	##FFFFFF
##B23943	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595443

Deuteranopia (green-blind)

#776E40

Tritanopia (blue-blind)

#C31C3E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23943;
/* rgb */ color: rgb(178, 57, 67);
/* oklch */ color: oklch(52.3% 0.156 19.8);

Tailwind

colors: {
  custom: {
    50: '#d07777',
    500: '#b23943',
    950: '#000000',
  },
}

SCSS

$custom: #b23943;
$custom-light: #d07777;
$custom-dark: #000000;

JSON

{
  "hex": "#b23943",
  "rgb": {
    "r": 178,
    "g": 57,
    "b": 67
  },
  "hsl": {
    "h": 355.041,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52315,
    "c": 0.15625,
    "h": 19.8
  },
  "luminance": 0.12796
}

Semantic roles & 50–950 ramp

primary

#B23943

secondary

#82C4BF

accent

#DBCF4D

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23943

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

Preview Lab → · Contrast checker → · Palette generator →