#545EB3#545EB3

#545EB3 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.133 H 275.7°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#545EB3
RGB	rgb(84, 94, 179)
HSL	hsl(234, 38%, 52%)
HSV	hsv(234, 53%, 70%)
CMYK	cmyk(53.1%, 47.5%, 0%, 29.8%)
CIE-LAB	lab(42.98, 20.66, -46.56)
CIE-LCH	lch(42.98, 50.94, 293.93°)
OKLab	oklab(51.63% 0.0131 -0.1326)
OKLCH	oklch(51.63% 0.133 275.7)
XYZ	xyz(15.7930, 13.1439, 44.3439)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545EB3 #B3A954

analogous

#548EB3 #545EB3 #7A54B3

triadic

#545EB3 #B3545E #5EB354

tetradic

#545EB3 #B3548E #B3A954 #54B37A

square

#545EB3 #B3548E #B3A954 #54B37A

split-complementary

#545EB3 #B37A54 #8EB354

monochromatic

#2B3161 #3E468C #545EB3 #7E86C6 #A9AED9

Accessibility & contrast

On white

5.79

#545EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#545EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545EB3

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545EB3	#FFFFFF	#000000	##FFFFFF
##545EB3	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386AB6

Deuteranopia (green-blind)

#2D62B1

Tritanopia (blue-blind)

#297180

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #545eb3;
/* rgb */ color: rgb(84, 94, 179);
/* oklch */ color: oklch(51.6% 0.133 275.7);

Tailwind

colors: {
  custom: {
    50: '#8b8bca',
    500: '#545eb3',
    950: '#000000',
  },
}

SCSS

$custom: #545eb3;
$custom-light: #8b8bca;
$custom-dark: #000000;

JSON

{
  "hex": "#545eb3",
  "rgb": {
    "r": 84,
    "g": 94,
    "b": 179
  },
  "hsl": {
    "h": 233.684,
    "s": 38.462,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51633,
    "c": 0.13322,
    "h": 275.7
  },
  "luminance": 0.13145
}

Semantic roles & 50–950 ramp

primary

#545EB3

secondary

#C6C29D

accent

#C259CE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #545EB3

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

Preview Lab → · Contrast checker → · Palette generator →