#545FB5#545FB5

#545FB5 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.0% C 0.135 H 275.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#545FB5
RGB	rgb(84, 95, 181)
HSL	hsl(233, 40%, 52%)
HSV	hsv(233, 54%, 71%)
CMYK	cmyk(53.6%, 47.5%, 0%, 29%)
CIE-LAB	lab(43.37, 20.68, -47.11)
CIE-LCH	lch(43.37, 51.45, 293.70°)
OKLab	oklab(51.97% 0.0122 -0.1342)
OKLCH	oklch(51.97% 0.135 275.2)
XYZ	xyz(16.0862, 13.4044, 45.4468)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545FB5 #B5AA54

analogous

#5490B5 #545FB5 #7A54B5

triadic

#545FB5 #B5545F #5FB554

tetradic

#545FB5 #B55490 #B5AA54 #54B57A

square

#545FB5 #B55490 #B5AA54 #54B57A

split-complementary

#545FB5 #B57A54 #90B554

monochromatic

#2B3164 #3E478E #545FB5 #7F87C7 #A9AFDA

Accessibility & contrast

On white

5.70

#545FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#545FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545FB5

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545FB5	#FFFFFF	#000000	##FFFFFF
##545FB5	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386BB8

Deuteranopia (green-blind)

#2D63B3

Tritanopia (blue-blind)

#277281

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #545fb5;
/* rgb */ color: rgb(84, 95, 181);
/* oklch */ color: oklch(52.0% 0.135 275.2);

Tailwind

colors: {
  custom: {
    50: '#8b8ccc',
    500: '#545fb5',
    950: '#000000',
  },
}

SCSS

$custom: #545fb5;
$custom-light: #8b8ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#545fb5",
  "rgb": {
    "r": 84,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 233.196,
    "s": 39.592,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51966,
    "c": 0.13474,
    "h": 275.2
  },
  "luminance": 0.13405
}

Semantic roles & 50–950 ramp

primary

#545FB5

secondary

#C8C39D

accent

#C258CF

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #545FB5

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

Preview Lab → · Contrast checker → · Palette generator →