#243A50#243A50

#243A50 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.048 H 249.4°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#243A50
RGB	rgb(36, 58, 80)
HSL	hsl(210, 38%, 23%)
HSV	hsv(210, 55%, 31%)
CMYK	cmyk(55%, 27.5%, 0%, 68.6%)
CIE-LAB	lab(23.61, -1.44, -16.04)
CIE-LCH	lch(23.61, 16.11, 264.87°)
OKLab	oklab(34.06% -0.0169 -0.0448)
OKLCH	oklch(34.06% 0.048 249.4)
XYZ	xyz(3.6881, 3.9801, 8.1617)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243A50 #503A24

analogous

#245050 #243A50 #242450

triadic

#243A50 #50243A #3A5024

tetradic

#243A50 #502450 #503A24 #245024

square

#243A50 #502450 #503A24 #245024

split-complementary

#243A50 #502424 #505024

monochromatic

#090F15 #111B26 #243A50 #37597A #4A77A4

Accessibility & contrast

On white

11.69

#243A50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#243A50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A50

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243A50	#FFFFFF	#000000	##FFFFFF
##243A50	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313B51

Deuteranopia (green-blind)

#2B3650

Tritanopia (blue-blind)

#0E3F42

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243a50;
/* rgb */ color: rgb(36, 58, 80);
/* oklch */ color: oklch(34.1% 0.048 249.4);

Tailwind

colors: {
  custom: {
    50: '#627081',
    500: '#243a50',
    950: '#000000',
  },
}

SCSS

$custom: #243a50;
$custom-light: #627081;
$custom-dark: #000000;

JSON

{
  "hex": "#243a50",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 80
  },
  "hsl": {
    "h": 210,
    "s": 37.931,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34061,
    "c": 0.0479,
    "h": 249.4
  },
  "luminance": 0.0398
}

Semantic roles & 50–950 ramp

primary

#243A50

secondary

#83684C

accent

#945ACE

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #243A50

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

Preview Lab → · Contrast checker → · Palette generator →