#4540BA#4540BA

#4540BA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.185 H 277.9°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#4540BA
RGB	rgb(69, 64, 186)
HSL	hsl(242, 49%, 49%)
HSV	hsv(242, 66%, 73%)
CMYK	cmyk(62.9%, 65.6%, 0%, 27.1%)
CIE-LAB	lab(34.96, 38.95, -63.71)
CIE-LCH	lch(34.96, 74.68, 301.44°)
OKLab	oklab(45.55% 0.0255 -0.1836)
OKLCH	oklch(45.55% 0.185 277.9)
XYZ	xyz(13.1477, 8.4761, 47.3881)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.65

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4540BA #B5BA40

analogous

#4078BA #4540BA #8240BA

triadic

#4540BA #BA4540 #40BA45

tetradic

#4540BA #BA4078 #B5BA40 #40BA82

square

#4540BA #BA4078 #B5BA40 #40BA82

split-complementary

#4540BA #BA8240 #78BA40

monochromatic

#23215F #34308C #4540BA #6F6BCC #9B99DC

Accessibility & contrast

On white

7.79

#4540BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4540BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4540BA

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4540BA	#FFFFFF	#000000	##FFFFFF
##4540BA	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BE

Deuteranopia (green-blind)

#004DB8

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4540ba;
/* rgb */ color: rgb(69, 64, 186);
/* oklch */ color: oklch(45.6% 0.185 277.9);

Tailwind

colors: {
  custom: {
    50: '#8675d0',
    500: '#4540ba',
    950: '#000000',
  },
}

SCSS

$custom: #4540ba;
$custom-light: #8675d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4540ba",
  "rgb": {
    "r": 69,
    "g": 64,
    "b": 186
  },
  "hsl": {
    "h": 242.459,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.4555,
    "c": 0.18538,
    "h": 277.9
  },
  "luminance": 0.08477
}

Semantic roles & 50–950 ramp

primary

#4540BA

secondary

#C5C88E

accent

#D84FD3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4540BA

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

Preview Lab → · Contrast checker → · Palette generator →