#545FB3#545FB3

#545FB3 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.8% C 0.132 H 275.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#545FB3
RGB	rgb(84, 95, 179)
HSL	hsl(233, 38%, 52%)
HSV	hsv(233, 53%, 70%)
CMYK	cmyk(53.1%, 46.9%, 0%, 29.8%)
CIE-LAB	lab(43.25, 20.03, -46.13)
CIE-LCH	lch(43.25, 50.29, 293.47°)
OKLab	oklab(51.84% 0.012 -0.1313)
OKLCH	oklch(51.84% 0.132 275.2)
XYZ	xyz(15.8825, 13.3229, 44.3737)
Luminance	0.1332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545FB3 #B3A854

analogous

#548FB3 #545FB3 #7954B3

triadic

#545FB3 #B3545F #5FB354

tetradic

#545FB3 #B3548F #B3A854 #54B379

square

#545FB3 #B3548F #B3A854 #54B379

split-complementary

#545FB3 #B37954 #8FB354

monochromatic

#2B3261 #3E478C #545FB3 #7E87C6 #A9AED9

Accessibility & contrast

On white

5.73

#545FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#545FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545FB3

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545FB3	#FFFFFF	#000000	##FFFFFF
##545FB3	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396AB6

Deuteranopia (green-blind)

#2F62B1

Tritanopia (blue-blind)

#297180

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #545fb3;
/* rgb */ color: rgb(84, 95, 179);
/* oklch */ color: oklch(51.8% 0.132 275.2);

Tailwind

colors: {
  custom: {
    50: '#8b8cca',
    500: '#545fb3',
    950: '#000000',
  },
}

SCSS

$custom: #545fb3;
$custom-light: #8b8cca;
$custom-dark: #000000;

JSON

{
  "hex": "#545fb3",
  "rgb": {
    "r": 84,
    "g": 95,
    "b": 179
  },
  "hsl": {
    "h": 233.053,
    "s": 38.462,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51835,
    "c": 0.13185,
    "h": 275.2
  },
  "luminance": 0.13324
}

Semantic roles & 50–950 ramp

primary

#545FB3

secondary

#C6C19D

accent

#C159CE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #545FB3

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

Preview Lab → · Contrast checker → · Palette generator →