#243B50#243B50

#243B50 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.047 H 247.2°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#243B50
RGB	rgb(36, 59, 80)
HSL	hsl(209, 38%, 23%)
HSV	hsv(209, 55%, 31%)
CMYK	cmyk(55%, 26.2%, 0%, 68.6%)
CIE-LAB	lab(23.94, -2.11, -15.52)
CIE-LCH	lch(23.94, 15.67, 262.27°)
OKLab	oklab(34.33% -0.0183 -0.0433)
OKLCH	oklch(34.33% 0.047 247.2)
XYZ	xyz(3.7390, 4.0819, 8.1787)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243B50 #503924

analogous

#24504F #243B50 #242550

triadic

#243B50 #50243B #3B5024

tetradic

#243B50 #4F2450 #503924 #255024

square

#243B50 #4F2450 #503924 #255024

split-complementary

#243B50 #502425 #504F24

monochromatic

#091015 #111C26 #243B50 #375A7A #4A79A4

Accessibility & contrast

On white

11.56

#243B50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#243B50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B50

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243B50	#FFFFFF	#000000	##FFFFFF
##243B50	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323B51

Deuteranopia (green-blind)

#2D3750

Tritanopia (blue-blind)

#0E4042

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #243b50;
/* rgb */ color: rgb(36, 59, 80);
/* oklch */ color: oklch(34.3% 0.047 247.2);

Tailwind

colors: {
  custom: {
    50: '#627081',
    500: '#243b50',
    950: '#000000',
  },
}

SCSS

$custom: #243b50;
$custom-light: #627081;
$custom-dark: #000000;

JSON

{
  "hex": "#243b50",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 80
  },
  "hsl": {
    "h": 208.636,
    "s": 37.931,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34325,
    "c": 0.04704,
    "h": 247.2
  },
  "luminance": 0.04082
}

Semantic roles & 50–950 ramp

primary

#243B50

secondary

#83674C

accent

#915ACE

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #243B50

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

Preview Lab → · Contrast checker → · Palette generator →