#B23840#B23840

#B23840 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.158 H 20.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B23840
RGB	rgb(178, 56, 64)
HSL	hsl(356, 52%, 46%)
HSV	hsv(356, 69%, 70%)
CMYK	cmyk(0%, 68.5%, 64%, 30.2%)
CIE-LAB	lab(42.26, 49.73, 23.48)
CIE-LCH	lch(42.26, 54.99, 25.27°)
OKLab	oklab(52.15% 0.1472 0.0562)
OKLCH	oklch(52.15% 0.158 20.9)
XYZ	xyz(20.7018, 12.6664, 6.2043)
Luminance	0.1266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23840 #38B2AA

analogous

#B2387D #B23840 #B26D38

triadic

#B23840 #40B238 #3840B2

tetradic

#B23840 #7DB238 #38B2AA #6D38B2

square

#B23840 #7DB238 #38B2AA #6D38B2

split-complementary

#B23840 #38B26D #387DB2

monochromatic

#551B1F #83292F #B23840 #CC5C63 #DA8A8F

Accessibility & contrast

On white

5.94

#B23840 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B23840 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23840

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23840	#FFFFFF	#000000	##FFFFFF
##B23840	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59533F

Deuteranopia (green-blind)

#776D3D

Tritanopia (blue-blind)

#C3193C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23840;
/* rgb */ color: rgb(178, 56, 64);
/* oklch */ color: oklch(52.1% 0.158 20.9);

Tailwind

colors: {
  custom: {
    50: '#d07674',
    500: '#b23840',
    950: '#000000',
  },
}

SCSS

$custom: #b23840;
$custom-light: #d07674;
$custom-dark: #000000;

JSON

{
  "hex": "#b23840",
  "rgb": {
    "r": 178,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 356.066,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52146,
    "c": 0.1575,
    "h": 20.9
  },
  "luminance": 0.12663
}

Semantic roles & 50–950 ramp

primary

#B23840

secondary

#81C5C0

accent

#DCD24C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23840

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

Preview Lab → · Contrast checker → · Palette generator →