#4540BE#4540BE

#4540BE is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.9% C 0.191 H 277.6°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#4540BE
RGB	rgb(69, 64, 190)
HSL	hsl(242, 50%, 50%)
HSV	hsv(242, 66%, 75%)
CMYK	cmyk(63.7%, 66.3%, 0%, 25.5%)
CIE-LAB	lab(35.30, 40.27, -65.50)
CIE-LCH	lch(35.30, 76.89, 301.58°)
OKLab	oklab(45.91% 0.025 -0.1889)
OKLCH	oklch(45.91% 0.191 277.6)
XYZ	xyz(13.5789, 8.6486, 49.6590)
Luminance	0.0865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.91

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4540BE #B9BE40

analogous

#407ABE #4540BE #8440BE

triadic

#4540BE #BE4540 #40BE45

tetradic

#4540BE #BE407A #B9BE40 #40BE84

square

#4540BE #BE407A #B9BE40 #40BE84

split-complementary

#4540BE #BE8440 #7ABE40

monochromatic

#242162 #343190 #4540BE #716DCE #9E9BDD

Accessibility & contrast

On white

7.69

#4540BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4540BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4540BE

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4540BE	#FFFFFF	#000000	##FFFFFF
##4540BE	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C2

Deuteranopia (green-blind)

#004EBC

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4540be;
/* rgb */ color: rgb(69, 64, 190);
/* oklch */ color: oklch(45.9% 0.191 277.6);

Tailwind

colors: {
  custom: {
    50: '#8776d3',
    500: '#4540be',
    950: '#000000',
  },
}

SCSS

$custom: #4540be;
$custom-light: #8776d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4540be",
  "rgb": {
    "r": 69,
    "g": 64,
    "b": 190
  },
  "hsl": {
    "h": 242.381,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45905,
    "c": 0.19052,
    "h": 277.6
  },
  "luminance": 0.0865
}

Semantic roles & 50–950 ramp

primary

#4540BE

secondary

#C7C990

accent

#D94FD4

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #4540BE

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

Preview Lab → · Contrast checker → · Palette generator →