#545BB8#545BB8

#545BB8 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.144 H 276.8°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#545BB8
RGB	rgb(84, 91, 184)
HSL	hsl(236, 41%, 53%)
HSV	hsv(236, 54%, 72%)
CMYK	cmyk(54.3%, 50.5%, 0%, 27.8%)
CIE-LAB	lab(42.50, 24.18, -50.25)
CIE-LCH	lch(42.50, 55.77, 295.70°)
OKLab	oklab(51.37% 0.0171 -0.1434)
OKLCH	oklch(51.37% 0.144 276.8)
XYZ	xyz(16.0462, 12.8266, 46.9683)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545BB8 #B8B154

analogous

#548DB8 #545BB8 #7F54B8

triadic

#545BB8 #B8545B #5BB854

tetradic

#545BB8 #B8548D #B8B154 #54B87F

square

#545BB8 #B8548D #B8B154 #54B87F

split-complementary

#545BB8 #B87F54 #8DB854

monochromatic

#2B2F67 #3D4392 #545BB8 #7F84CA #AAAEDC

Accessibility & contrast

On white

5.89

#545BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#545BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545BB8

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545BB8	#FFFFFF	#000000	##FFFFFF
##545BB8	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)

#2C69BB

Deuteranopia (green-blind)

#1E60B6

Tritanopia (blue-blind)

#247081

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #545bb8;
/* rgb */ color: rgb(84, 91, 184);
/* oklch */ color: oklch(51.4% 0.144 276.8);

Tailwind

colors: {
  custom: {
    50: '#8c89ce',
    500: '#545bb8',
    950: '#000000',
  },
}

SCSS

$custom: #545bb8;
$custom-light: #8c89ce;
$custom-dark: #000000;

JSON

{
  "hex": "#545bb8",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 184
  },
  "hsl": {
    "h": 235.8,
    "s": 41.322,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51371,
    "c": 0.14447,
    "h": 276.8
  },
  "luminance": 0.12828
}

Semantic roles & 50–950 ramp

primary

#545BB8

secondary

#CAC79E

accent

#C957D1

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #545BB8

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

Preview Lab → · Contrast checker → · Palette generator →