#243A86#243A86

#243A86 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.130 H 267.5°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#243A86
RGB	rgb(36, 58, 134)
HSL	hsl(227, 58%, 33%)
HSV	hsv(227, 73%, 53%)
CMYK	cmyk(73.1%, 56.7%, 0%, 47.5%)
CIE-LAB	lab(27.08, 19.23, -45.17)
CIE-LCH	lch(27.08, 49.09, 293.06°)
OKLab	oklab(37.85% -0.0056 -0.1301)
OKLCH	oklch(37.85% 0.13 267.5)
XYZ	xyz(6.5422, 5.1217, 23.1934)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243A86 #867024

analogous

#246B86 #243A86 #3F2486

triadic

#243A86 #86243A #3A8624

tetradic

#243A86 #86246B #867024 #24863F

square

#243A86 #86246B #867024 #24863F

split-complementary

#243A86 #863F24 #6B8624

monochromatic

#0A1026 #172556 #243A86 #314FB6 #5370D1

Accessibility & contrast

On white

10.37

#243A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#243A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A86

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243A86	#FFFFFF	#000000	##FFFFFF
##243A86	1.00	10.37	2.02	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004589

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #243a86;
/* rgb */ color: rgb(36, 58, 134);
/* oklch */ color: oklch(37.9% 0.130 267.5);

Tailwind

colors: {
  custom: {
    50: '#6d6faa',
    500: '#243a86',
    950: '#000000',
  },
}

SCSS

$custom: #243a86;
$custom-light: #6d6faa;
$custom-dark: #000000;

JSON

{
  "hex": "#243a86",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 134
  },
  "hsl": {
    "h": 226.531,
    "s": 57.647,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37851,
    "c": 0.13019,
    "h": 267.5
  },
  "luminance": 0.05122
}

Semantic roles & 50–950 ramp

primary

#243A86

secondary

#B59E51

accent

#BE47E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #243A86

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

Preview Lab → · Contrast checker → · Palette generator →