#545BB4#545BB4

#545BB4 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.1% C 0.139 H 276.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#545BB4
RGB	rgb(84, 91, 180)
HSL	hsl(236, 39%, 52%)
HSV	hsv(236, 53%, 71%)
CMYK	cmyk(53.3%, 49.4%, 0%, 29.4%)
CIE-LAB	lab(42.25, 22.88, -48.32)
CIE-LCH	lch(42.25, 53.46, 295.34°)
OKLab	oklab(51.1% 0.0167 -0.1378)
OKLCH	oklch(51.1% 0.139 276.9)
XYZ	xyz(15.6329, 12.6613, 44.7913)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545BB4 #B4AD54

analogous

#548BB4 #545BB4 #7D54B4

triadic

#545BB4 #B4545B #5BB454

tetradic

#545BB4 #B4548B #B4AD54 #54B47D

square

#545BB4 #B4548B #B4AD54 #54B47D

split-complementary

#545BB4 #B47D54 #8BB454

monochromatic

#2B2F62 #3E448D #545BB4 #7F84C7 #A9ADD9

Accessibility & contrast

On white

5.94

#545BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#545BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545BB4

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545BB4	#FFFFFF	#000000	##FFFFFF
##545BB4	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B7

Deuteranopia (green-blind)

#2560B2

Tritanopia (blue-blind)

#286F7F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #545bb4;
/* rgb */ color: rgb(84, 91, 180);
/* oklch */ color: oklch(51.1% 0.139 276.9);

Tailwind

colors: {
  custom: {
    50: '#8b89cb',
    500: '#545bb4',
    950: '#000000',
  },
}

SCSS

$custom: #545bb4;
$custom-light: #8b89cb;
$custom-dark: #000000;

JSON

{
  "hex": "#545bb4",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 180
  },
  "hsl": {
    "h": 235.625,
    "s": 39.024,
    "l": 51.765
  },
  "oklch": {
    "l": 0.511,
    "c": 0.13877,
    "h": 276.9
  },
  "luminance": 0.12662
}

Semantic roles & 50–950 ramp

primary

#545BB4

secondary

#C7C49D

accent

#C659CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545BB4

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

Preview Lab → · Contrast checker → · Palette generator →