#545CB8#545CB8

#545CB8 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.143 H 276.4°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#545CB8
RGB	rgb(84, 92, 184)
HSL	hsl(235, 41%, 53%)
HSV	hsv(235, 54%, 72%)
CMYK	cmyk(54.3%, 50%, 0%, 27.8%)
CIE-LAB	lab(42.76, 23.55, -49.83)
CIE-LCH	lch(42.76, 55.12, 295.30°)
OKLab	oklab(51.57% 0.016 -0.1422)
OKLCH	oklch(51.57% 0.143 276.4)
XYZ	xyz(16.1323, 12.9987, 46.9970)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545CB8 #B8B054

analogous

#548EB8 #545CB8 #7E54B8

triadic

#545CB8 #B8545C #5CB854

tetradic

#545CB8 #B8548E #B8B054 #54B87E

square

#545CB8 #B8548E #B8B054 #54B87E

split-complementary

#545CB8 #B87E54 #8EB854

monochromatic

#2B3067 #3D4492 #545CB8 #7F85CA #AAAEDC

Accessibility & contrast

On white

5.83

#545CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#545CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545CB8

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545CB8	#FFFFFF	#000000	##FFFFFF
##545CB8	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F69BB

Deuteranopia (green-blind)

#2161B6

Tritanopia (blue-blind)

#247081

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #545cb8;
/* rgb */ color: rgb(84, 92, 184);
/* oklch */ color: oklch(51.6% 0.143 276.4);

Tailwind

colors: {
  custom: {
    50: '#8c8ace',
    500: '#545cb8',
    950: '#000000',
  },
}

SCSS

$custom: #545cb8;
$custom-light: #8c8ace;
$custom-dark: #000000;

JSON

{
  "hex": "#545cb8",
  "rgb": {
    "r": 84,
    "g": 92,
    "b": 184
  },
  "hsl": {
    "h": 235.2,
    "s": 41.322,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51568,
    "c": 0.14311,
    "h": 276.4
  },
  "luminance": 0.13
}

Semantic roles & 50–950 ramp

primary

#545CB8

secondary

#CAC69E

accent

#C757D1

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0B14

muted

#7D7C82

Preview Lab

Preview with #545CB8

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

Preview Lab → · Contrast checker → · Palette generator →