#B23640#B23640

#B23640 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.160 H 20.3°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B23640
RGB	rgb(178, 54, 64)
HSL	hsl(355, 53%, 45%)
HSV	hsv(355, 70%, 70%)
CMYK	cmyk(0%, 69.7%, 64%, 30.2%)
CIE-LAB	lab(41.96, 50.53, 23.11)
CIE-LCH	lch(41.96, 55.56, 24.57°)
OKLab	oklab(51.93% 0.1497 0.0553)
OKLCH	oklch(51.93% 0.16 20.3)
XYZ	xyz(20.6068, 12.4764, 6.1726)
Luminance	0.1247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23640 #36B2A8

analogous

#B2367E #B23640 #B26A36

triadic

#B23640 #40B236 #3640B2

tetradic

#B23640 #7EB236 #36B2A8 #6A36B2

square

#B23640 #7EB236 #36B2A8 #6A36B2

split-complementary

#B23640 #36B26A #367EB2

monochromatic

#541A1E #83282F #B23640 #CD5962 #DB888E

Accessibility & contrast

On white

6.01

#B23640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B23640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23640

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23640	#FFFFFF	#000000	##FFFFFF
##B23640	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523F

Deuteranopia (green-blind)

#776D3D

Tritanopia (blue-blind)

#C3143B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b23640;
/* rgb */ color: rgb(178, 54, 64);
/* oklch */ color: oklch(51.9% 0.160 20.3);

Tailwind

colors: {
  custom: {
    50: '#d07574',
    500: '#b23640',
    950: '#000000',
  },
}

SCSS

$custom: #b23640;
$custom-light: #d07574;
$custom-dark: #000000;

JSON

{
  "hex": "#b23640",
  "rgb": {
    "r": 178,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 355.161,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51928,
    "c": 0.15959,
    "h": 20.3
  },
  "luminance": 0.12473
}

Semantic roles & 50–950 ramp

primary

#B23640

secondary

#7FC5BF

accent

#DDD14B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23640

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

Preview Lab → · Contrast checker → · Palette generator →