#243F56#243F56

#243F56 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.052 H 245.7°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#243F56
RGB	rgb(36, 63, 86)
HSL	hsl(208, 41%, 24%)
HSV	hsv(208, 58%, 34%)
CMYK	cmyk(58.1%, 26.7%, 0%, 66.3%)
CIE-LAB	lab(25.57, -2.63, -16.94)
CIE-LCH	lch(25.57, 17.15, 261.19°)
OKLab	oklab(35.7% -0.0214 -0.0474)
OKLCH	oklch(35.7% 0.052 245.7)
XYZ	xyz(4.1842, 4.6016, 9.4700)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F56 #563B24

analogous

#245654 #243F56 #242656

triadic

#243F56 #56243F #3F5624

tetradic

#243F56 #542456 #563B24 #265624

square

#243F56 #542456 #563B24 #265624

split-complementary

#243F56 #562426 #565424

monochromatic

#091016 #121F2B #243F56 #365F81 #487EAC

Accessibility & contrast

On white

10.94

#243F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#243F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F56

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F56	#FFFFFF	#000000	##FFFFFF
##243F56	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353F57

Deuteranopia (green-blind)

#2F3A56

Tritanopia (blue-blind)

#064447

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243f56;
/* rgb */ color: rgb(36, 63, 86);
/* oklch */ color: oklch(35.7% 0.052 245.7);

Tailwind

colors: {
  custom: {
    50: '#637385',
    500: '#243f56',
    950: '#000000',
  },
}

SCSS

$custom: #243f56;
$custom-light: #637385;
$custom-dark: #000000;

JSON

{
  "hex": "#243f56",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 86
  },
  "hsl": {
    "h": 207.6,
    "s": 40.984,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35704,
    "c": 0.05204,
    "h": 245.7
  },
  "luminance": 0.04602
}

Semantic roles & 50–950 ramp

primary

#243F56

secondary

#8A684C

accent

#8F57D1

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #243F56

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

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