#243EBD#243EBD

#243EBD is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.200 H 267.5°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#243EBD
RGB	rgb(36, 62, 189)
HSL	hsl(230, 68%, 44%)
HSV	hsv(230, 81%, 74%)
CMYK	cmyk(81%, 67.2%, 0%, 25.9%)
CIE-LAB	lab(32.90, 37.45, -68.91)
CIE-LCH	lch(32.90, 78.43, 298.52°)
OKLab	oklab(43.64% -0.0086 -0.1996)
OKLCH	oklch(43.64% 0.2 267.5)
XYZ	xyz(11.6323, 7.4931, 48.9675)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243EBD #BDA324

analogous

#248BBD #243EBD #5724BD

triadic

#243EBD #BD243E #3EBD24

tetradic

#243EBD #BD248B #BDA324 #24BD57

square

#243EBD #BD248B #BDA324 #24BD57

split-complementary

#243EBD #BD5724 #8BBD24

monochromatic

#101C56 #1A2D8A #243EBD #435DDB #7689E5

Accessibility & contrast

On white

8.40

#243EBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#243EBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243EBD

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243EBD	#FFFFFF	#000000	##FFFFFF
##243EBD	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C1

Deuteranopia (green-blind)

#0046BB

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #243ebd;
/* rgb */ color: rgb(36, 62, 189);
/* oklch */ color: oklch(43.6% 0.200 267.5);

Tailwind

colors: {
  custom: {
    50: '#7a73d2',
    500: '#243ebd',
    950: '#000000',
  },
}

SCSS

$custom: #243ebd;
$custom-light: #7a73d2;
$custom-dark: #000000;

JSON

{
  "hex": "#243ebd",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 189
  },
  "hsl": {
    "h": 229.804,
    "s": 68,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43643,
    "c": 0.19981,
    "h": 267.5
  },
  "luminance": 0.07494
}

Semantic roles & 50–950 ramp

primary

#243EBD

secondary

#CCBD70

accent

#CD3DEB

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #243EBD

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

Preview Lab → · Contrast checker → · Palette generator →