#545DB4#545DB4

#545DB4 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.136 H 276.1°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#545DB4
RGB	rgb(84, 93, 180)
HSL	hsl(234, 39%, 52%)
HSV	hsv(234, 53%, 71%)
CMYK	cmyk(53.3%, 48.3%, 0%, 29.4%)
CIE-LAB	lab(42.77, 21.62, -47.47)
CIE-LCH	lch(42.77, 52.16, 294.48°)
OKLab	oklab(51.5% 0.0144 -0.1353)
OKLCH	oklch(51.5% 0.136 276.1)
XYZ	xyz(15.8061, 13.0078, 44.8490)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545DB4 #B4AB54

analogous

#548DB4 #545DB4 #7B54B4

triadic

#545DB4 #B4545D #5DB454

tetradic

#545DB4 #B4548D #B4AB54 #54B47B

square

#545DB4 #B4548D #B4AB54 #54B47B

split-complementary

#545DB4 #B47B54 #8DB454

monochromatic

#2B3062 #3E458D #545DB4 #7F85C7 #A9AED9

Accessibility & contrast

On white

5.83

#545DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#545DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545DB4

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545DB4	#FFFFFF	#000000	##FFFFFF
##545DB4	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3569B7

Deuteranopia (green-blind)

#2A61B2

Tritanopia (blue-blind)

#287080

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #545db4;
/* rgb */ color: rgb(84, 93, 180);
/* oklch */ color: oklch(51.5% 0.136 276.1);

Tailwind

colors: {
  custom: {
    50: '#8b8acb',
    500: '#545db4',
    950: '#000000',
  },
}

SCSS

$custom: #545db4;
$custom-light: #8b8acb;
$custom-dark: #000000;

JSON

{
  "hex": "#545db4",
  "rgb": {
    "r": 84,
    "g": 93,
    "b": 180
  },
  "hsl": {
    "h": 234.375,
    "s": 39.024,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51498,
    "c": 0.13603,
    "h": 276.1
  },
  "luminance": 0.13009
}

Semantic roles & 50–950 ramp

primary

#545DB4

secondary

#C7C39D

accent

#C459CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545DB4

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

Preview Lab → · Contrast checker → · Palette generator →