#545EB5#545EB5

#545EB5 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.136 H 275.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#545EB5
RGB	rgb(84, 94, 181)
HSL	hsl(234, 40%, 52%)
HSV	hsv(234, 54%, 71%)
CMYK	cmyk(53.6%, 48.1%, 0%, 29%)
CIE-LAB	lab(43.10, 21.31, -47.54)
CIE-LCH	lch(43.10, 52.09, 294.15°)
OKLab	oklab(51.77% 0.0134 -0.1354)
OKLCH	oklch(51.77% 0.136 275.6)
XYZ	xyz(15.9967, 13.2254, 45.4169)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545EB5 #B5AB54

analogous

#548FB5 #545EB5 #7A54B5

triadic

#545EB5 #B5545E #5EB554

tetradic

#545EB5 #B5548F #B5AB54 #54B57A

square

#545EB5 #B5548F #B5AB54 #54B57A

split-complementary

#545EB5 #B57A54 #8FB554

monochromatic

#2B3164 #3E468E #545EB5 #7F86C7 #A9AEDA

Accessibility & contrast

On white

5.76

#545EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#545EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545EB5

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545EB5	#FFFFFF	#000000	##FFFFFF
##545EB5	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366AB8

Deuteranopia (green-blind)

#2A62B3

Tritanopia (blue-blind)

#277181

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #545eb5;
/* rgb */ color: rgb(84, 94, 181);
/* oklch */ color: oklch(51.8% 0.136 275.6);

Tailwind

colors: {
  custom: {
    50: '#8b8bcc',
    500: '#545eb5',
    950: '#000000',
  },
}

SCSS

$custom: #545eb5;
$custom-light: #8b8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#545eb5",
  "rgb": {
    "r": 84,
    "g": 94,
    "b": 181
  },
  "hsl": {
    "h": 233.814,
    "s": 39.592,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51765,
    "c": 0.1361,
    "h": 275.6
  },
  "luminance": 0.13226
}

Semantic roles & 50–950 ramp

primary

#545EB5

secondary

#C8C39D

accent

#C358CF

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #545EB5

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

Preview Lab → · Contrast checker → · Palette generator →