#243E79#243E79

#243E79 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.106 H 264.1°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#243E79
RGB	rgb(36, 62, 121)
HSL	hsl(222, 54%, 31%)
HSV	hsv(222, 70%, 47%)
CMYK	cmyk(70.2%, 48.8%, 0%, 52.5%)
CIE-LAB	lab(27.30, 11.35, -36.67)
CIE-LCH	lch(27.30, 38.39, 287.19°)
OKLab	oklab(37.71% -0.0108 -0.105)
OKLCH	oklch(37.71% 0.106 264.1)
XYZ	xyz(5.9002, 5.2002, 18.7783)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E79 #795F24

analogous

#246879 #243E79 #342479

triadic

#243E79 #79243E #3E7924

tetradic

#243E79 #792468 #795F24 #247934

square

#243E79 #792468 #795F24 #247934

split-complementary

#243E79 #793424 #687924

monochromatic

#080E1B #16264A #243E79 #3256A8 #4D73CA

Accessibility & contrast

On white

10.29

#243E79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#243E79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E79

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E79	#FFFFFF	#000000	##FFFFFF
##243E79	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20457B

Deuteranopia (green-blind)

#0E3D78

Tritanopia (blue-blind)

#004C55

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #243e79;
/* rgb */ color: rgb(36, 62, 121);
/* oklch */ color: oklch(37.7% 0.106 264.1);

Tailwind

colors: {
  custom: {
    50: '#6972a0',
    500: '#243e79',
    950: '#000000',
  },
}

SCSS

$custom: #243e79;
$custom-light: #6972a0;
$custom-dark: #000000;

JSON

{
  "hex": "#243e79",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 121
  },
  "hsl": {
    "h": 221.647,
    "s": 54.14,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37714,
    "c": 0.10557,
    "h": 264.1
  },
  "luminance": 0.05201
}

Semantic roles & 50–950 ramp

primary

#243E79

secondary

#AC8F4D

accent

#B04ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #243E79

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

Preview Lab → · Contrast checker → · Palette generator →