#243E84#243E84

#243E84 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.122 H 265.6°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#243E84
RGB	rgb(36, 62, 132)
HSL	hsl(224, 57%, 33%)
HSV	hsv(224, 73%, 52%)
CMYK	cmyk(72.7%, 53%, 0%, 48.2%)
CIE-LAB	lab(28.08, 15.67, -42.31)
CIE-LCH	lch(28.08, 45.12, 290.32°)
OKLab	oklab(38.56% -0.0093 -0.1216)
OKLCH	oklch(38.56% 0.122 265.6)
XYZ	xyz(6.6136, 5.4856, 22.5356)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E84 #846A24

analogous

#246E84 #243E84 #3A2484

triadic

#243E84 #84243E #3E8424

tetradic

#243E84 #84246E #846A24 #24843A

square

#243E84 #84246E #846A24 #24843A

split-complementary

#243E84 #843A24 #6E8424

monochromatic

#0A1124 #172754 #243E84 #3155B4 #5274D0

Accessibility & contrast

On white

10.01

#243E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#243E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E84

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E84	#FFFFFF	#000000	##FFFFFF
##243E84	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124787

Deuteranopia (green-blind)

#003E83

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #243e84;
/* rgb */ color: rgb(36, 62, 132);
/* oklch */ color: oklch(38.6% 0.122 265.6);

Tailwind

colors: {
  custom: {
    50: '#6c72a8',
    500: '#243e84',
    950: '#000000',
  },
}

SCSS

$custom: #243e84;
$custom-light: #6c72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#243e84",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 132
  },
  "hsl": {
    "h": 223.75,
    "s": 57.143,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38557,
    "c": 0.12195,
    "h": 265.6
  },
  "luminance": 0.05486
}

Semantic roles & 50–950 ramp

primary

#243E84

secondary

#B49950

accent

#B747E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #243E84

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

Preview Lab → · Contrast checker → · Palette generator →