#545CB0#545CB0

#545CB0 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.132 H 276.6°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#545CB0
RGB	rgb(84, 92, 176)
HSL	hsl(235, 37%, 51%)
HSV	hsv(235, 52%, 69%)
CMYK	cmyk(52.3%, 47.7%, 0%, 31%)
CIE-LAB	lab(42.27, 20.95, -45.94)
CIE-LCH	lch(42.27, 50.49, 294.51°)
OKLab	oklab(51.03% 0.0151 -0.1308)
OKLCH	oklch(51.03% 0.132 276.6)
XYZ	xyz(15.3173, 12.6727, 42.7048)
Luminance	0.1267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545CB0 #B0A854

analogous

#548AB0 #545CB0 #7A54B0

triadic

#545CB0 #B0545C #5CB054

tetradic

#545CB0 #B0548A #B0A854 #54B07A

square

#545CB0 #B0548A #B0A854 #54B07A

split-complementary

#545CB0 #B07A54 #8AB054

monochromatic

#2B305E #3F4588 #545CB0 #7E84C3 #A8ACD7

Accessibility & contrast

On white

5.94

#545CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#545CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545CB0

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545CB0	#FFFFFF	#000000	##FFFFFF
##545CB0	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3668B3

Deuteranopia (green-blind)

#2C60AE

Tritanopia (blue-blind)

#2C6E7D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #545cb0;
/* rgb */ color: rgb(84, 92, 176);
/* oklch */ color: oklch(51.0% 0.132 276.6);

Tailwind

colors: {
  custom: {
    50: '#8a8ac8',
    500: '#545cb0',
    950: '#000000',
  },
}

SCSS

$custom: #545cb0;
$custom-light: #8a8ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#545cb0",
  "rgb": {
    "r": 84,
    "g": 92,
    "b": 176
  },
  "hsl": {
    "h": 234.783,
    "s": 36.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51034,
    "c": 0.13164,
    "h": 276.6
  },
  "luminance": 0.12674
}

Semantic roles & 50–950 ramp

primary

#545CB0

secondary

#C4C19C

accent

#C35BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545CB0

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

Preview Lab → · Contrast checker → · Palette generator →