#B23440#B23440

#B23440 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.162 H 19.7°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B23440
RGB	rgb(178, 52, 64)
HSL	hsl(354, 55%, 45%)
HSV	hsv(354, 71%, 70%)
CMYK	cmyk(0%, 70.8%, 64%, 30.2%)
CIE-LAB	lab(41.68, 51.31, 22.74)
CIE-LCH	lch(41.68, 56.12, 23.91°)
OKLab	oklab(51.72% 0.1522 0.0545)
OKLCH	oklch(51.72% 0.162 19.7)
XYZ	xyz(20.5156, 12.2941, 6.1422)
Luminance	0.1229 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23440 #34B2A6

analogous

#B2347F #B23440 #B26734

triadic

#B23440 #40B234 #3440B2

tetradic

#B23440 #7FB234 #34B2A6 #6734B2

square

#B23440 #7FB234 #34B2A6 #6734B2

split-complementary

#B23440 #34B267 #347FB2

monochromatic

#53181E #83262F #B23440 #CE5661 #DB858D

Accessibility & contrast

On white

6.07

#B23440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B23440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23440

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23440	#FFFFFF	#000000	##FFFFFF
##B23440	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565140

Deuteranopia (green-blind)

#766C3C

Tritanopia (blue-blind)

#C30F39

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23440;
/* rgb */ color: rgb(178, 52, 64);
/* oklch */ color: oklch(51.7% 0.162 19.7);

Tailwind

colors: {
  custom: {
    50: '#d07474',
    500: '#b23440',
    950: '#000000',
  },
}

SCSS

$custom: #b23440;
$custom-light: #d07474;
$custom-dark: #000000;

JSON

{
  "hex": "#b23440",
  "rgb": {
    "r": 178,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 354.286,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51716,
    "c": 0.16164,
    "h": 19.7
  },
  "luminance": 0.12291
}

Semantic roles & 50–950 ramp

primary

#B23440

secondary

#7DC5BE

accent

#DED04A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23440

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

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