#B23340#B23340

#B23340 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.163 H 19.4°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B23340
RGB	rgb(178, 51, 64)
HSL	hsl(354, 55%, 45%)
HSV	hsv(354, 71%, 70%)
CMYK	cmyk(0%, 71.3%, 64%, 30.2%)
CIE-LAB	lab(41.54, 51.69, 22.57)
CIE-LCH	lch(41.54, 56.40, 23.58°)
OKLab	oklab(51.61% 0.1534 0.0541)
OKLCH	oklch(51.61% 0.163 19.4)
XYZ	xyz(20.4714, 12.2058, 6.1275)
Luminance	0.1220 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23340 #33B2A5

analogous

#B23380 #B23340 #B26533

triadic

#B23340 #40B233 #3340B2

tetradic

#B23340 #80B233 #33B2A5 #6533B2

square

#B23340 #80B233 #33B2A5 #6533B2

split-complementary

#B23340 #33B265 #3380B2

monochromatic

#53181E #82252F #B23340 #CE5461 #DC848D

Accessibility & contrast

On white

6.10

#B23340 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B23340 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23340

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23340	#FFFFFF	#000000	##FFFFFF
##B23340	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)

#565140

Deuteranopia (green-blind)

#766C3C

Tritanopia (blue-blind)

#C30B39

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23340;
/* rgb */ color: rgb(178, 51, 64);
/* oklch */ color: oklch(51.6% 0.163 19.4);

Tailwind

colors: {
  custom: {
    50: '#d07474',
    500: '#b23340',
    950: '#000000',
  },
}

SCSS

$custom: #b23340;
$custom-light: #d07474;
$custom-dark: #000000;

JSON

{
  "hex": "#b23340",
  "rgb": {
    "r": 178,
    "g": 51,
    "b": 64
  },
  "hsl": {
    "h": 353.858,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51613,
    "c": 0.16265,
    "h": 19.4
  },
  "luminance": 0.12203
}

Semantic roles & 50–950 ramp

primary

#B23340

secondary

#7CC5BE

accent

#DFCF49

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23340

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

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