#243E53#243E53

#243E53 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.3% C 0.049 H 244.2°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#243E53
RGB	rgb(36, 62, 83)
HSL	hsl(207, 39%, 23%)
HSV	hsv(207, 57%, 33%)
CMYK	cmyk(56.6%, 25.3%, 0%, 67.5%)
CIE-LAB	lab(25.09, -3.03, -15.72)
CIE-LCH	lch(25.09, 16.01, 259.08°)
OKLab	oklab(35.28% -0.0213 -0.0439)
OKLCH	oklch(35.28% 0.049 244.2)
XYZ	xyz(4.0110, 4.4445, 8.8285)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E53 #533924

analogous

#245350 #243E53 #242653

triadic

#243E53 #53243E #3E5324

tetradic

#243E53 #502453 #533924 #265324

square

#243E53 #502453 #533924 #265324

split-complementary

#243E53 #532426 #535024

monochromatic

#091015 #111E28 #243E53 #375E7E #497EA8

Accessibility & contrast

On white

11.12

#243E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#243E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E53

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E53	#FFFFFF	#000000	##FFFFFF
##243E53	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E54

Deuteranopia (green-blind)

#2F3953

Tritanopia (blue-blind)

#0A4345

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #243e53;
/* rgb */ color: rgb(36, 62, 83);
/* oklch */ color: oklch(35.3% 0.049 244.2);

Tailwind

colors: {
  custom: {
    50: '#627383',
    500: '#243e53',
    950: '#000000',
  },
}

SCSS

$custom: #243e53;
$custom-light: #627383;
$custom-dark: #000000;

JSON

{
  "hex": "#243e53",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 83
  },
  "hsl": {
    "h": 206.809,
    "s": 39.496,
    "l": 23.333
  },
  "oklch": {
    "l": 0.35279,
    "c": 0.04877,
    "h": 244.2
  },
  "luminance": 0.04445
}

Semantic roles & 50–950 ramp

primary

#243E53

secondary

#87664C

accent

#8E58CF

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #243E53

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

Preview Lab → · Contrast checker → · Palette generator →