#545FBB#545FBB

#545FBB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.4% C 0.143 H 275.2°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#545FBB
RGB	rgb(84, 95, 187)
HSL	hsl(234, 43%, 53%)
HSV	hsv(234, 55%, 73%)
CMYK	cmyk(55.1%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(43.74, 22.65, -50.02)
CIE-LCH	lch(43.74, 54.91, 294.36°)
OKLab	oklab(52.36% 0.013 -0.1427)
OKLCH	oklch(52.36% 0.143 275.2)
XYZ	xyz(16.7151, 13.6559, 48.7591)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545FBB #BBB054

analogous

#5492BB #545FBB #7C54BB

triadic

#545FBB #BB545F #5FBB54

tetradic

#545FBB #BB5492 #BBB054 #54BB7C

square

#545FBB #BB5492 #BBB054 #54BB7C

split-complementary

#545FBB #BB7C54 #92BB54

monochromatic

#2A316A #3C4596 #545FBB #8088CC #ACB1DE

Accessibility & contrast

On white

5.63

#545FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#545FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545FBB

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545FBB	#FFFFFF	#000000	##FFFFFF
##545FBB	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326CBE

Deuteranopia (green-blind)

#2463B9

Tritanopia (blue-blind)

#1F7384

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #545fbb;
/* rgb */ color: rgb(84, 95, 187);
/* oklch */ color: oklch(52.4% 0.143 275.2);

Tailwind

colors: {
  custom: {
    50: '#8c8cd0',
    500: '#545fbb',
    950: '#000000',
  },
}

SCSS

$custom: #545fbb;
$custom-light: #8c8cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#545fbb",
  "rgb": {
    "r": 84,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 233.592,
    "s": 43.096,
    "l": 53.137
  },
  "oklch": {
    "l": 0.52364,
    "c": 0.14332,
    "h": 275.2
  },
  "luminance": 0.13657
}

Semantic roles & 50–950 ramp

primary

#545FBB

secondary

#CCC79F

accent

#C555D3

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #545FBB

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

Preview Lab → · Contrast checker → · Palette generator →