#B23942#B23942

#B23942 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.156 H 20.3°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B23942
RGB	rgb(178, 57, 66)
HSL	hsl(356, 51%, 46%)
HSV	hsv(356, 68%, 70%)
CMYK	cmyk(0%, 68%, 62.9%, 30.2%)
CIE-LAB	lab(42.44, 49.45, 22.49)
CIE-LCH	lch(42.44, 54.32, 24.46°)
OKLab	oklab(52.3% 0.1466 0.0541)
OKLCH	oklch(52.3% 0.156 20.3)
XYZ	xyz(20.8087, 12.7875, 6.5257)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23942 #39B2A9

analogous

#B2397E #B23942 #B26C39

triadic

#B23942 #42B239 #3942B2

tetradic

#B23942 #7EB239 #39B2A9 #6C39B2

square

#B23942 #7EB239 #39B2A9 #6C39B2

split-complementary

#B23942 #39B26C #397EB2

monochromatic

#551B20 #842A31 #B23942 #CB5D65 #DA8B91

Accessibility & contrast

On white

5.90

#B23942 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B23942 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23942

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23942	#FFFFFF	#000000	##FFFFFF
##B23942	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)

#595441

Deuteranopia (green-blind)

#786E3F

Tritanopia (blue-blind)

#C31B3D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23942;
/* rgb */ color: rgb(178, 57, 66);
/* oklch */ color: oklch(52.3% 0.156 20.3);

Tailwind

colors: {
  custom: {
    50: '#d07776',
    500: '#b23942',
    950: '#000000',
  },
}

SCSS

$custom: #b23942;
$custom-light: #d07776;
$custom-dark: #000000;

JSON

{
  "hex": "#b23942",
  "rgb": {
    "r": 178,
    "g": 57,
    "b": 66
  },
  "hsl": {
    "h": 355.537,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52296,
    "c": 0.1563,
    "h": 20.3
  },
  "luminance": 0.12785
}

Semantic roles & 50–950 ramp

primary

#B23942

secondary

#82C4C0

accent

#DBD04D

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23942

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

Preview Lab → · Contrast checker → · Palette generator →