#545FB7#545FB7

#545FB7 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.1% C 0.138 H 275.2°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#545FB7
RGB	rgb(84, 95, 183)
HSL	hsl(233, 41%, 52%)
HSV	hsv(233, 54%, 72%)
CMYK	cmyk(54.1%, 48.1%, 0%, 28.2%)
CIE-LAB	lab(43.49, 21.34, -48.09)
CIE-LCH	lch(43.49, 52.61, 293.93°)
OKLab	oklab(52.1% 0.0125 -0.137)
OKLCH	oklch(52.1% 0.138 275.2)
XYZ	xyz(16.2929, 13.4870, 46.5353)
Luminance	0.1349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545FB7 #B7AC54

analogous

#5491B7 #545FB7 #7A54B7

triadic

#545FB7 #B7545F #5FB754

tetradic

#545FB7 #B75491 #B7AC54 #54B77A

square

#545FB7 #B75491 #B7AC54 #54B77A

split-complementary

#545FB7 #B77A54 #91B754

monochromatic

#2B3166 #3D4691 #545FB7 #7F87C9 #AAB0DB

Accessibility & contrast

On white

5.68

#545FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#545FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545FB7

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545FB7	#FFFFFF	#000000	##FFFFFF
##545FB7	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366BBA

Deuteranopia (green-blind)

#2A63B5

Tritanopia (blue-blind)

#247282

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #545fb7;
/* rgb */ color: rgb(84, 95, 183);
/* oklch */ color: oklch(52.1% 0.138 275.2);

Tailwind

colors: {
  custom: {
    50: '#8b8ccd',
    500: '#545fb7',
    950: '#000000',
  },
}

SCSS

$custom: #545fb7;
$custom-light: #8b8ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#545fb7",
  "rgb": {
    "r": 84,
    "g": 95,
    "b": 183
  },
  "hsl": {
    "h": 233.333,
    "s": 40.741,
    "l": 52.353
  },
  "oklch": {
    "l": 0.52097,
    "c": 0.13761,
    "h": 275.2
  },
  "luminance": 0.13488
}

Semantic roles & 50–950 ramp

primary

#545FB7

secondary

#C9C49E

accent

#C357D1

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0C13

muted

#7D7D82

Preview Lab

Preview with #545FB7

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

Preview Lab → · Contrast checker → · Palette generator →