#243C50#243C50

#243C50 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.046 H 244.8°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#243C50
RGB	rgb(36, 60, 80)
HSL	hsl(207, 38%, 23%)
HSV	hsv(207, 55%, 31%)
CMYK	cmyk(55%, 25%, 0%, 68.6%)
CIE-LAB	lab(24.28, -2.77, -15.00)
CIE-LCH	lch(24.28, 15.26, 259.54°)
OKLab	oklab(34.59% -0.0197 -0.0419)
OKLCH	oklch(34.59% 0.046 244.8)
XYZ	xyz(3.7909, 4.1857, 8.1960)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C50 #503824

analogous

#24504E #243C50 #242650

triadic

#243C50 #50243C #3C5024

tetradic

#243C50 #4E2450 #503824 #265024

square

#243C50 #4E2450 #503824 #265024

split-complementary

#243C50 #502426 #504E24

monochromatic

#091015 #111C26 #243C50 #375C7A #4A7BA4

Accessibility & contrast

On white

11.43

#243C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#243C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C50

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C50	#FFFFFF	#000000	##FFFFFF
##243C50	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343C51

Deuteranopia (green-blind)

#2E3850

Tritanopia (blue-blind)

#0E4143

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #243c50;
/* rgb */ color: rgb(36, 60, 80);
/* oklch */ color: oklch(34.6% 0.046 244.8);

Tailwind

colors: {
  custom: {
    50: '#627181',
    500: '#243c50',
    950: '#000000',
  },
}

SCSS

$custom: #243c50;
$custom-light: #627181;
$custom-dark: #000000;

JSON

{
  "hex": "#243c50",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 80
  },
  "hsl": {
    "h": 207.273,
    "s": 37.931,
    "l": 22.745
  },
  "oklch": {
    "l": 0.3459,
    "c": 0.04625,
    "h": 244.8
  },
  "luminance": 0.04186
}

Semantic roles & 50–950 ramp

primary

#243C50

secondary

#83654C

accent

#8F5ACE

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #243C50

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

Preview Lab → · Contrast checker → · Palette generator →