#243E90#243E90

#243E90 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.139 H 266.6°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#243E90
RGB	rgb(36, 62, 144)
HSL	hsl(226, 60%, 35%)
HSV	hsv(226, 75%, 56%)
CMYK	cmyk(75%, 56.9%, 0%, 43.5%)
CIE-LAB	lab(28.99, 20.38, -48.26)
CIE-LCH	lch(28.99, 52.39, 292.90°)
OKLab	oklab(39.53% -0.0083 -0.1391)
OKLCH	oklch(39.53% 0.139 266.6)
XYZ	xyz(7.4825, 5.8331, 27.1117)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E90 #907624

analogous

#247490 #243E90 #402490

triadic

#243E90 #90243E #3E9024

tetradic

#243E90 #902474 #907624 #249040

square

#243E90 #902474 #907624 #249040

split-complementary

#243E90 #904024 #749024

monochromatic

#0C142E #18295F #243E90 #3053C1 #5977D5

Accessibility & contrast

On white

9.69

#243E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#243E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E90

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E90	#FFFFFF	#000000	##FFFFFF
##243E90	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00408E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #243e90;
/* rgb */ color: rgb(36, 62, 144);
/* oklch */ color: oklch(39.5% 0.139 266.6);

Tailwind

colors: {
  custom: {
    50: '#6f72b1',
    500: '#243e90',
    950: '#000000',
  },
}

SCSS

$custom: #243e90;
$custom-light: #6f72b1;
$custom-dark: #000000;

JSON

{
  "hex": "#243e90",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 144
  },
  "hsl": {
    "h": 225.556,
    "s": 60,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39535,
    "c": 0.13934,
    "h": 266.6
  },
  "luminance": 0.05834
}

Semantic roles & 50–950 ramp

primary

#243E90

secondary

#BAA256

accent

#BD45E3

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #243E90

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

Preview Lab → · Contrast checker → · Palette generator →