#243F45#243F45

#243F45 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 34.9% C 0.034 H 213.4°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#243F45
RGB	rgb(36, 63, 69)
HSL	hsl(191, 31%, 21%)
HSV	hsv(191, 48%, 27%)
CMYK	cmyk(47.8%, 8.7%, 0%, 72.9%)
CIE-LAB	lab(24.83, -8.39, -6.89)
CIE-LCH	lch(24.83, 10.86, 219.40°)
OKLab	oklab(34.87% -0.0288 -0.019)
OKLCH	oklch(34.87% 0.034 213.4)
XYZ	xyz(3.5788, 4.3595, 6.2819)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F45 #452A24

analogous

#24453A #243F45 #242E45

triadic

#243F45 #45243F #3F4524

tetradic

#243F45 #3A2445 #452A24 #2E4524

square

#243F45 #3A2445 #452A24 #2E4524

split-complementary

#243F45 #45242E #453A24

monochromatic

#0A1214 #0F1A1D #243F45 #39646D #4E8895

Accessibility & contrast

On white

11.22

#243F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#243F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F45

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F45	#FFFFFF	#000000	##FFFFFF
##243F45	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3D45

Deuteranopia (green-blind)

#353945

Tritanopia (blue-blind)

#154241

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #243f45;
/* rgb */ color: rgb(36, 63, 69);
/* oklch */ color: oklch(34.9% 0.034 213.4);

Tailwind

colors: {
  custom: {
    50: '#617478',
    500: '#243f45',
    950: '#000000',
  },
}

SCSS

$custom: #243f45;
$custom-light: #617478;
$custom-dark: #000000;

JSON

{
  "hex": "#243f45",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 69
  },
  "hsl": {
    "h": 190.909,
    "s": 31.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.34869,
    "c": 0.03446,
    "h": 213.4
  },
  "luminance": 0.0436
}

Semantic roles & 50–950 ramp

primary

#243F45

secondary

#78554D

accent

#7360C8

background

#F5F7F7

surface

#EAEDED

border

#C6C8C8

text

#050809

muted

#797B7B

Preview Lab

Preview with #243F45

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

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