#243EBC#243EBC

#243EBC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.5% C 0.199 H 267.5°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#243EBC
RGB	rgb(36, 62, 188)
HSL	hsl(230, 68%, 44%)
HSV	hsv(230, 81%, 74%)
CMYK	cmyk(80.9%, 67%, 0%, 26.3%)
CIE-LAB	lab(32.81, 37.09, -68.48)
CIE-LCH	lch(32.81, 77.88, 298.44°)
OKLab	oklab(43.55% -0.0086 -0.1983)
OKLCH	oklch(43.55% 0.199 267.5)
XYZ	xyz(11.5241, 7.4498, 48.3978)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.85

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243EBC #BCA224

analogous

#248ABC #243EBC #5624BC

triadic

#243EBC #BC243E #3EBC24

tetradic

#243EBC #BC248A #BCA224 #24BC56

square

#243EBC #BC248A #BCA224 #24BC56

split-complementary

#243EBC #BC5624 #8ABC24

monochromatic

#101C55 #1A2D89 #243EBC #425CDB #7689E5

Accessibility & contrast

On white

8.43

#243EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#243EBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243EBC

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243EBC	#FFFFFF	#000000	##FFFFFF
##243EBC	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C0

Deuteranopia (green-blind)

#0046BA

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #243ebc;
/* rgb */ color: rgb(36, 62, 188);
/* oklch */ color: oklch(43.5% 0.199 267.5);

Tailwind

colors: {
  custom: {
    50: '#7a73d1',
    500: '#243ebc',
    950: '#000000',
  },
}

SCSS

$custom: #243ebc;
$custom-light: #7a73d1;
$custom-dark: #000000;

JSON

{
  "hex": "#243ebc",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 188
  },
  "hsl": {
    "h": 229.737,
    "s": 67.857,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43546,
    "c": 0.19854,
    "h": 267.5
  },
  "luminance": 0.07451
}

Semantic roles & 50–950 ramp

primary

#243EBC

secondary

#CCBC70

accent

#CD3DEB

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #243EBC

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

Preview Lab → · Contrast checker → · Palette generator →