#545CB4#545CB4

#545CB4 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.137 H 276.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#545CB4
RGB	rgb(84, 92, 180)
HSL	hsl(235, 39%, 52%)
HSV	hsv(235, 53%, 71%)
CMYK	cmyk(53.3%, 48.9%, 0%, 29.4%)
CIE-LAB	lab(42.51, 22.25, -47.90)
CIE-LCH	lch(42.51, 52.81, 294.92°)
OKLab	oklab(51.3% 0.0156 -0.1365)
OKLCH	oklch(51.3% 0.137 276.5)
XYZ	xyz(15.7189, 12.8334, 44.8200)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545CB4 #B4AC54

analogous

#548CB4 #545CB4 #7C54B4

triadic

#545CB4 #B4545C #5CB454

tetradic

#545CB4 #B4548C #B4AC54 #54B47C

square

#545CB4 #B4548C #B4AC54 #54B47C

split-complementary

#545CB4 #B47C54 #8CB454

monochromatic

#2B3062 #3E448D #545CB4 #7F85C7 #A9ADD9

Accessibility & contrast

On white

5.89

#545CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#545CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545CB4

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545CB4	#FFFFFF	#000000	##FFFFFF
##545CB4	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3368B7

Deuteranopia (green-blind)

#2761B2

Tritanopia (blue-blind)

#286F7F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #545cb4;
/* rgb */ color: rgb(84, 92, 180);
/* oklch */ color: oklch(51.3% 0.137 276.5);

Tailwind

colors: {
  custom: {
    50: '#8b8acb',
    500: '#545cb4',
    950: '#000000',
  },
}

SCSS

$custom: #545cb4;
$custom-light: #8b8acb;
$custom-dark: #000000;

JSON

{
  "hex": "#545cb4",
  "rgb": {
    "r": 84,
    "g": 92,
    "b": 180
  },
  "hsl": {
    "h": 235,
    "s": 39.024,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51298,
    "c": 0.13739,
    "h": 276.5
  },
  "luminance": 0.12834
}

Semantic roles & 50–950 ramp

primary

#545CB4

secondary

#C7C39D

accent

#C559CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545CB4

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

Preview Lab → · Contrast checker → · Palette generator →