#545CB3#545CB3

#545CB3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.136 H 276.5°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#545CB3
RGB	rgb(84, 92, 179)
HSL	hsl(235, 38%, 52%)
HSV	hsv(235, 53%, 70%)
CMYK	cmyk(53.1%, 48.6%, 0%, 29.8%)
CIE-LAB	lab(42.45, 21.92, -47.41)
CIE-LCH	lch(42.45, 52.23, 294.82°)
OKLab	oklab(51.23% 0.0155 -0.1351)
OKLCH	oklch(51.23% 0.136 276.5)
XYZ	xyz(15.6174, 12.7928, 44.2854)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545CB3 #B3AB54

analogous

#548CB3 #545CB3 #7C54B3

triadic

#545CB3 #B3545C #5CB354

tetradic

#545CB3 #B3548C #B3AB54 #54B37C

square

#545CB3 #B3548C #B3AB54 #54B37C

split-complementary

#545CB3 #B37C54 #8CB354

monochromatic

#2B3061 #3E458C #545CB3 #7E84C6 #A9ADD9

Accessibility & contrast

On white

5.90

#545CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#545CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545CB3

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545CB3	#FFFFFF	#000000	##FFFFFF
##545CB3	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3468B6

Deuteranopia (green-blind)

#2960B1

Tritanopia (blue-blind)

#296F7F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #545cb3;
/* rgb */ color: rgb(84, 92, 179);
/* oklch */ color: oklch(51.2% 0.136 276.5);

Tailwind

colors: {
  custom: {
    50: '#8b8aca',
    500: '#545cb3',
    950: '#000000',
  },
}

SCSS

$custom: #545cb3;
$custom-light: #8b8aca;
$custom-dark: #000000;

JSON

{
  "hex": "#545cb3",
  "rgb": {
    "r": 84,
    "g": 92,
    "b": 179
  },
  "hsl": {
    "h": 234.947,
    "s": 38.462,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51232,
    "c": 0.13596,
    "h": 276.5
  },
  "luminance": 0.12794
}

Semantic roles & 50–950 ramp

primary

#545CB3

secondary

#C6C39D

accent

#C559CE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545CB3

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

Preview Lab → · Contrast checker → · Palette generator →