#B23540#B23540

#B23540 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.161 H 20.0°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B23540
RGB	rgb(178, 53, 64)
HSL	hsl(355, 54%, 45%)
HSV	hsv(355, 70%, 70%)
CMYK	cmyk(0%, 70.2%, 64%, 30.2%)
CIE-LAB	lab(41.82, 50.92, 22.92)
CIE-LCH	lch(41.82, 55.84, 24.24°)
OKLab	oklab(51.82% 0.151 0.0549)
OKLCH	oklch(51.82% 0.161 20)
XYZ	xyz(20.5607, 12.3843, 6.1572)
Luminance	0.1238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23540 #35B2A7

analogous

#B2357E #B23540 #B26835

triadic

#B23540 #40B235 #3540B2

tetradic

#B23540 #7EB235 #35B2A7 #6835B2

square

#B23540 #7EB235 #35B2A7 #6835B2

split-complementary

#B23540 #35B268 #357EB2

monochromatic

#54191E #83272F #B23540 #CD5762 #DB868E

Accessibility & contrast

On white

6.04

#B23540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B23540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23540

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23540	#FFFFFF	#000000	##FFFFFF
##B23540	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575240

Deuteranopia (green-blind)

#766C3D

Tritanopia (blue-blind)

#C3113A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b23540;
/* rgb */ color: rgb(178, 53, 64);
/* oklch */ color: oklch(51.8% 0.161 20.0);

Tailwind

colors: {
  custom: {
    50: '#d07574',
    500: '#b23540',
    950: '#000000',
  },
}

SCSS

$custom: #b23540;
$custom-light: #d07574;
$custom-dark: #000000;

JSON

{
  "hex": "#b23540",
  "rgb": {
    "r": 178,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 354.72,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51821,
    "c": 0.16062,
    "h": 20
  },
  "luminance": 0.12381
}

Semantic roles & 50–950 ramp

primary

#B23540

secondary

#7EC5BF

accent

#DDD14A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23540

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

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