#4540BD#4540BD

#4540BD is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.8% C 0.189 H 277.6°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#4540BD
RGB	rgb(69, 64, 189)
HSL	hsl(242, 49%, 50%)
HSV	hsv(242, 66%, 74%)
CMYK	cmyk(63.5%, 66.1%, 0%, 25.9%)
CIE-LAB	lab(35.21, 39.94, -65.06)
CIE-LCH	lch(35.21, 76.34, 301.55°)
OKLab	oklab(45.82% 0.0252 -0.1876)
OKLCH	oklch(45.82% 0.189 277.6)
XYZ	xyz(13.4700, 8.6050, 49.0853)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.84

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4540BD #B8BD40

analogous

#407ABD #4540BD #8440BD

triadic

#4540BD #BD4540 #40BD45

tetradic

#4540BD #BD407A #B8BD40 #40BD84

square

#4540BD #BD407A #B8BD40 #40BD84

split-complementary

#4540BD #BD8440 #7ABD40

monochromatic

#242162 #34318F #4540BD #716DCD #9D9ADD

Accessibility & contrast

On white

7.72

#4540BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4540BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4540BD

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4540BD	#FFFFFF	#000000	##FFFFFF
##4540BD	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C1

Deuteranopia (green-blind)

#004EBB

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4540bd;
/* rgb */ color: rgb(69, 64, 189);
/* oklch */ color: oklch(45.8% 0.189 277.6);

Tailwind

colors: {
  custom: {
    50: '#8675d2',
    500: '#4540bd',
    950: '#000000',
  },
}

SCSS

$custom: #4540bd;
$custom-light: #8675d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4540bd",
  "rgb": {
    "r": 69,
    "g": 64,
    "b": 189
  },
  "hsl": {
    "h": 242.4,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45816,
    "c": 0.18925,
    "h": 277.6
  },
  "luminance": 0.08606
}

Semantic roles & 50–950 ramp

primary

#4540BD

secondary

#C7C990

accent

#D94FD3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4540BD

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

Preview Lab → · Contrast checker → · Palette generator →