#545CB9#545CB9

#545CB9 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.145 H 276.4°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#545CB9
RGB	rgb(84, 92, 185)
HSL	hsl(235, 42%, 53%)
HSV	hsv(235, 55%, 73%)
CMYK	cmyk(54.6%, 50.3%, 0%, 27.5%)
CIE-LAB	lab(42.82, 23.88, -50.32)
CIE-LCH	lch(42.82, 55.70, 295.39°)
OKLab	oklab(51.64% 0.0161 -0.1436)
OKLCH	oklch(51.64% 0.145 276.4)
XYZ	xyz(16.2375, 13.0408, 47.5510)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545CB9 #B9B154

analogous

#548EB9 #545CB9 #7F54B9

triadic

#545CB9 #B9545C #5CB954

tetradic

#545CB9 #B9548E #B9B154 #54B97F

square

#545CB9 #B9548E #B9B154 #54B97F

split-complementary

#545CB9 #B97F54 #8EB954

monochromatic

#2B2F68 #3C4393 #545CB9 #7F85CB #ABAFDD

Accessibility & contrast

On white

5.82

#545CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#545CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545CB9

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545CB9	#FFFFFF	#000000	##FFFFFF
##545CB9	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D69BC

Deuteranopia (green-blind)

#2061B7

Tritanopia (blue-blind)

#227182

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #545cb9;
/* rgb */ color: rgb(84, 92, 185);
/* oklch */ color: oklch(51.6% 0.145 276.4);

Tailwind

colors: {
  custom: {
    50: '#8c8acf',
    500: '#545cb9',
    950: '#000000',
  },
}

SCSS

$custom: #545cb9;
$custom-light: #8c8acf;
$custom-dark: #000000;

JSON

{
  "hex": "#545cb9",
  "rgb": {
    "r": 84,
    "g": 92,
    "b": 185
  },
  "hsl": {
    "h": 235.248,
    "s": 41.909,
    "l": 52.745
  },
  "oklch": {
    "l": 0.51636,
    "c": 0.14453,
    "h": 276.4
  },
  "luminance": 0.13042
}

Semantic roles & 50–950 ramp

primary

#545CB9

secondary

#CAC79F

accent

#C856D2

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #545CB9

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

Preview Lab → · Contrast checker → · Palette generator →