#545BB9#545BB9

#545BB9 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.4% C 0.146 H 276.8°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#545BB9
RGB	rgb(84, 91, 185)
HSL	hsl(236, 42%, 53%)
HSV	hsv(236, 55%, 73%)
CMYK	cmyk(54.6%, 50.8%, 0%, 27.5%)
CIE-LAB	lab(42.56, 24.51, -50.73)
CIE-LCH	lch(42.56, 56.35, 295.79°)
OKLab	oklab(51.44% 0.0172 -0.1449)
OKLCH	oklch(51.44% 0.146 276.8)
XYZ	xyz(16.1514, 12.8687, 47.5223)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545BB9 #B9B254

analogous

#548DB9 #545BB9 #8054B9

triadic

#545BB9 #B9545B #5BB954

tetradic

#545BB9 #B9548D #B9B254 #54B980

square

#545BB9 #B9548D #B9B254 #54B980

split-complementary

#545BB9 #B98054 #8DB954

monochromatic

#2B2F68 #3C4293 #545BB9 #7F85CB #ABAEDD

Accessibility & contrast

On white

5.88

#545BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#545BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545BB9

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545BB9	#FFFFFF	#000000	##FFFFFF
##545BB9	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B69BC

Deuteranopia (green-blind)

#1D60B7

Tritanopia (blue-blind)

#237081

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #545bb9;
/* rgb */ color: rgb(84, 91, 185);
/* oklch */ color: oklch(51.4% 0.146 276.8);

Tailwind

colors: {
  custom: {
    50: '#8c89cf',
    500: '#545bb9',
    950: '#000000',
  },
}

SCSS

$custom: #545bb9;
$custom-light: #8c89cf;
$custom-dark: #000000;

JSON

{
  "hex": "#545bb9",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 185
  },
  "hsl": {
    "h": 235.842,
    "s": 41.909,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5144,
    "c": 0.14589,
    "h": 276.8
  },
  "luminance": 0.1287
}

Semantic roles & 50–950 ramp

primary

#545BB9

secondary

#CAC79F

accent

#C956D2

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #545BB9

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

Preview Lab → · Contrast checker → · Palette generator →