#B23E40#B23E40

#B23E40 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.151 H 22.9°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B23E40
RGB	rgb(178, 62, 64)
HSL	hsl(359, 48%, 47%)
HSV	hsv(359, 65%, 70%)
CMYK	cmyk(0%, 65.2%, 64%, 30.2%)
CIE-LAB	lab(43.19, 47.20, 24.66)
CIE-LCH	lch(43.19, 53.26, 27.59°)
OKLab	oklab(52.84% 0.1391 0.0588)
OKLCH	oklch(52.84% 0.151 22.9)
XYZ	xyz(21.0102, 13.2833, 6.3071)
Luminance	0.1328 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23E40 #3EB2B0

analogous

#B23E7A #B23E40 #B2763E

triadic

#B23E40 #40B23E #3E40B2

tetradic

#B23E40 #7AB23E #3EB2B0 #763EB2

square

#B23E40 #7AB23E #3EB2B0 #763EB2

split-complementary

#B23E40 #3EB276 #3E7AB2

monochromatic

#571E1F #852E30 #B23E40 #C96466 #D99293

Accessibility & contrast

On white

5.74

#B23E40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B23E40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23E40

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23E40	#FFFFFF	#000000	##FFFFFF
##B23E40	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563F

Deuteranopia (green-blind)

#7A6F3D

Tritanopia (blue-blind)

#C32440

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23e40;
/* rgb */ color: rgb(178, 62, 64);
/* oklch */ color: oklch(52.8% 0.151 22.9);

Tailwind

colors: {
  custom: {
    50: '#d07974',
    500: '#b23e40',
    950: '#000000',
  },
}

SCSS

$custom: #b23e40;
$custom-light: #d07974;
$custom-dark: #000000;

JSON

{
  "hex": "#b23e40",
  "rgb": {
    "r": 178,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 358.966,
    "s": 48.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52843,
    "c": 0.15107,
    "h": 22.9
  },
  "luminance": 0.1328
}

Semantic roles & 50–950 ramp

primary

#B23E40

secondary

#88C4C3

accent

#D8D650

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23E40

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

Preview Lab → · Contrast checker → · Palette generator →