#B23538#B23538

#B23538 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.161 H 23.6°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B23538
RGB	rgb(178, 53, 56)
HSL	hsl(359, 54%, 45%)
HSV	hsv(359, 70%, 70%)
CMYK	cmyk(0%, 70.2%, 68.5%, 30.2%)
CIE-LAB	lab(41.69, 50.46, 27.64)
CIE-LCH	lch(41.69, 57.53, 28.71°)
OKLab	oklab(51.68% 0.1478 0.0645)
OKLCH	oklch(51.68% 0.161 23.6)
XYZ	xyz(20.3492, 12.2997, 5.0432)
Luminance	0.1230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23538 #35B2AF

analogous

#B23576 #B23538 #B27035

triadic

#B23538 #38B235 #3538B2

tetradic

#B23538 #76B235 #35B2AF #7035B2

square

#B23538 #76B235 #35B2AF #7035B2

split-complementary

#B23538 #35B270 #3576B2

monochromatic

#54191A #832729 #B23538 #CD575A #DB8688

Accessibility & contrast

On white

6.07

#B23538 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B23538 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23538

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23538	#FFFFFF	#000000	##FFFFFF
##B23538	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585137

Deuteranopia (green-blind)

#776C34

Tritanopia (blue-blind)

#C40D37

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23538;
/* rgb */ color: rgb(178, 53, 56);
/* oklch */ color: oklch(51.7% 0.161 23.6);

Tailwind

colors: {
  custom: {
    50: '#d1746e',
    500: '#b23538',
    950: '#000000',
  },
}

SCSS

$custom: #b23538;
$custom-light: #d1746e;
$custom-dark: #000000;

JSON

{
  "hex": "#b23538",
  "rgb": {
    "r": 178,
    "g": 53,
    "b": 56
  },
  "hsl": {
    "h": 358.56,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5168,
    "c": 0.16127,
    "h": 23.6
  },
  "luminance": 0.12297
}

Semantic roles & 50–950 ramp

primary

#B23538

secondary

#7EC5C3

accent

#DDDA4A

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23538

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

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