#B23438#B23438

#B23438 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.162 H 23.3°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B23438
RGB	rgb(178, 52, 56)
HSL	hsl(358, 55%, 45%)
HSV	hsv(358, 71%, 70%)
CMYK	cmyk(0%, 70.8%, 68.5%, 30.2%)
CIE-LAB	lab(41.55, 50.85, 27.47)
CIE-LCH	lch(41.55, 57.79, 28.38°)
OKLab	oklab(51.57% 0.1491 0.0641)
OKLCH	oklch(51.57% 0.162 23.3)
XYZ	xyz(20.3041, 12.2095, 5.0281)
Luminance	0.1221 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23438 #34B2AE

analogous

#B23477 #B23438 #B26F34

triadic

#B23438 #38B234 #3438B2

tetradic

#B23438 #77B234 #34B2AE #6F34B2

square

#B23438 #77B234 #34B2AE #6F34B2

split-complementary

#B23438 #34B26F #3477B2

monochromatic

#53181A #832629 #B23438 #CE5659 #DB8588

Accessibility & contrast

On white

6.10

#B23438 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B23438 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23438

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23438	#FFFFFF	#000000	##FFFFFF
##B23438	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575137

Deuteranopia (green-blind)

#776C34

Tritanopia (blue-blind)

#C40A37

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23438;
/* rgb */ color: rgb(178, 52, 56);
/* oklch */ color: oklch(51.6% 0.162 23.3);

Tailwind

colors: {
  custom: {
    50: '#d1746e',
    500: '#b23438',
    950: '#000000',
  },
}

SCSS

$custom: #b23438;
$custom-light: #d1746e;
$custom-dark: #000000;

JSON

{
  "hex": "#b23438",
  "rgb": {
    "r": 178,
    "g": 52,
    "b": 56
  },
  "hsl": {
    "h": 358.095,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51574,
    "c": 0.16225,
    "h": 23.3
  },
  "luminance": 0.12206
}

Semantic roles & 50–950 ramp

primary

#B23438

secondary

#7DC5C3

accent

#DED94A

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23438

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

Preview Lab → · Contrast checker → · Palette generator →