#545CBB#545CBB

#545CBB is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.8% C 0.147 H 276.3°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#545CBB
RGB	rgb(84, 92, 187)
HSL	hsl(235, 43%, 53%)
HSV	hsv(235, 55%, 73%)
CMYK	cmyk(55.1%, 50.8%, 0%, 26.7%)
CIE-LAB	lab(42.95, 24.54, -51.28)
CIE-LCH	lch(42.95, 56.85, 295.57°)
OKLab	oklab(51.77% 0.0163 -0.1465)
OKLCH	oklch(51.77% 0.147 276.3)
XYZ	xyz(16.4501, 13.1259, 48.6708)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545CBB #BBB354

analogous

#548FBB #545CBB #7F54BB

triadic

#545CBB #BB545C #5CBB54

tetradic

#545CBB #BB548F #BBB354 #54BB7F

square

#545CBB #BB548F #BBB354 #54BB7F

split-complementary

#545CBB #BB7F54 #8FBB54

monochromatic

#2A2F6A #3C4396 #545CBB #8086CC #ACAFDE

Accessibility & contrast

On white

5.79

#545CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#545CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545CBB

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545CBB	#FFFFFF	#000000	##FFFFFF
##545CBB	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6ABE

Deuteranopia (green-blind)

#1C61B9

Tritanopia (blue-blind)

#207183

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #545cbb;
/* rgb */ color: rgb(84, 92, 187);
/* oklch */ color: oklch(51.8% 0.147 276.3);

Tailwind

colors: {
  custom: {
    50: '#8c8ad0',
    500: '#545cbb',
    950: '#000000',
  },
}

SCSS

$custom: #545cbb;
$custom-light: #8c8ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#545cbb",
  "rgb": {
    "r": 84,
    "g": 92,
    "b": 187
  },
  "hsl": {
    "h": 235.34,
    "s": 43.096,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51773,
    "c": 0.14736,
    "h": 276.3
  },
  "luminance": 0.13127
}

Semantic roles & 50–950 ramp

primary

#545CBB

secondary

#CCC89F

accent

#C955D3

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #545CBB

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

Preview Lab → · Contrast checker → · Palette generator →