#545BD1#545BD1

#545BD1 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.2% C 0.179 H 275.9°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#545BD1
RGB	rgb(84, 91, 209)
HSL	hsl(237, 58%, 57%)
HSV	hsv(237, 60%, 82%)
CMYK	cmyk(59.8%, 56.5%, 0%, 18%)
CIE-LAB	lab(44.19, 32.42, -62.01)
CIE-LCH	lch(44.19, 69.97, 297.60°)
OKLab	oklab(53.17% 0.0184 -0.178)
OKLCH	oklch(53.17% 0.179 275.9)
XYZ	xyz(18.9021, 13.9690, 62.0094)
Luminance	0.1397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545BD1 #D1CA54

analogous

#549AD1 #545BD1 #8C54D1

triadic

#545BD1 #D1545B #5BD154

tetradic

#545BD1 #D1549A #D1CA54 #54D18C

square

#545BD1 #D1549A #D1CA54 #54D18C

split-complementary

#545BD1 #D18C54 #9AD154

monochromatic

#242A86 #3139B7 #545BD1 #8489DE #B4B8EB

Accessibility & contrast

On white

5.54

#545BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#545BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545BD1

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545BD1	#FFFFFF	#000000	##FFFFFF
##545BD1	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED5

Deuteranopia (green-blind)

#0063CF

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #545bd1;
/* rgb */ color: rgb(84, 91, 209);
/* oklch */ color: oklch(53.2% 0.179 275.9);

Tailwind

colors: {
  custom: {
    50: '#9089e0',
    500: '#545bd1',
    950: '#000000',
  },
}

SCSS

$custom: #545bd1;
$custom-light: #9089e0;
$custom-dark: #000000;

JSON

{
  "hex": "#545bd1",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 209
  },
  "hsl": {
    "h": 236.64,
    "s": 57.604,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53173,
    "c": 0.17898,
    "h": 275.9
  },
  "luminance": 0.1397
}

Semantic roles & 50–950 ramp

primary

#545BD1

secondary

#DAD7A7

accent

#D847E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #545BD1

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

Preview Lab → · Contrast checker → · Palette generator →