#545DB3#545DB3

#545DB3 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.135 H 276.1°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#545DB3
RGB	rgb(84, 93, 179)
HSL	hsl(234, 38%, 52%)
HSV	hsv(234, 53%, 70%)
CMYK	cmyk(53.1%, 48%, 0%, 29.8%)
CIE-LAB	lab(42.71, 21.29, -46.98)
CIE-LCH	lch(42.71, 51.58, 294.38°)
OKLab	oklab(51.43% 0.0143 -0.1338)
OKLCH	oklch(51.43% 0.135 276.1)
XYZ	xyz(15.7046, 12.9672, 44.3145)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545DB3 #B3AA54

analogous

#548DB3 #545DB3 #7B54B3

triadic

#545DB3 #B3545D #5DB354

tetradic

#545DB3 #B3548D #B3AA54 #54B37B

square

#545DB3 #B3548D #B3AA54 #54B37B

split-complementary

#545DB3 #B37B54 #8DB354

monochromatic

#2B3061 #3E458C #545DB3 #7E85C6 #A9ADD9

Accessibility & contrast

On white

5.84

#545DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#545DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545DB3

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545DB3	#FFFFFF	#000000	##FFFFFF
##545DB3	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3669B6

Deuteranopia (green-blind)

#2B61B1

Tritanopia (blue-blind)

#29707F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #545db3;
/* rgb */ color: rgb(84, 93, 179);
/* oklch */ color: oklch(51.4% 0.135 276.1);

Tailwind

colors: {
  custom: {
    50: '#8b8aca',
    500: '#545db3',
    950: '#000000',
  },
}

SCSS

$custom: #545db3;
$custom-light: #8b8aca;
$custom-dark: #000000;

JSON

{
  "hex": "#545db3",
  "rgb": {
    "r": 84,
    "g": 93,
    "b": 179
  },
  "hsl": {
    "h": 234.316,
    "s": 38.462,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51432,
    "c": 0.13459,
    "h": 276.1
  },
  "luminance": 0.12968
}

Semantic roles & 50–950 ramp

primary

#545DB3

secondary

#C6C29D

accent

#C359CE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545DB3

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

Preview Lab → · Contrast checker → · Palette generator →