#545CB1#545CB1

#545CB1 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.1% C 0.133 H 276.6°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#545CB1
RGB	rgb(84, 92, 177)
HSL	hsl(235, 37%, 51%)
HSV	hsv(235, 53%, 69%)
CMYK	cmyk(52.5%, 48%, 0%, 30.6%)
CIE-LAB	lab(42.33, 21.27, -46.43)
CIE-LCH	lch(42.33, 51.07, 294.61°)
OKLab	oklab(51.1% 0.0152 -0.1322)
OKLCH	oklch(51.1% 0.133 276.6)
XYZ	xyz(15.4166, 12.7125, 43.2278)
Luminance	0.1271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545CB1 #B1A954

analogous

#548AB1 #545CB1 #7A54B1

triadic

#545CB1 #B1545C #5CB154

tetradic

#545CB1 #B1548A #B1A954 #54B17A

square

#545CB1 #B1548A #B1A954 #54B17A

split-complementary

#545CB1 #B17A54 #8AB154

monochromatic

#2B305F #3F4589 #545CB1 #7E84C4 #A8ACD7

Accessibility & contrast

On white

5.93

#545CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#545CB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545CB1

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545CB1	#FFFFFF	#000000	##FFFFFF
##545CB1	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3568B4

Deuteranopia (green-blind)

#2B60AF

Tritanopia (blue-blind)

#2B6F7E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #545cb1;
/* rgb */ color: rgb(84, 92, 177);
/* oklch */ color: oklch(51.1% 0.133 276.6);

Tailwind

colors: {
  custom: {
    50: '#8b8ac9',
    500: '#545cb1',
    950: '#000000',
  },
}

SCSS

$custom: #545cb1;
$custom-light: #8b8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#545cb1",
  "rgb": {
    "r": 84,
    "g": 92,
    "b": 177
  },
  "hsl": {
    "h": 234.839,
    "s": 37.349,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51099,
    "c": 0.13308,
    "h": 276.6
  },
  "luminance": 0.12713
}

Semantic roles & 50–950 ramp

primary

#545CB1

secondary

#C5C19C

accent

#C35ACD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545CB1

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

Preview Lab → · Contrast checker → · Palette generator →