#545BDB#545BDB

#545BDB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.9% C 0.192 H 275.5°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#545BDB
RGB	rgb(84, 91, 219)
HSL	hsl(237, 65%, 59%)
HSV	hsv(237, 62%, 86%)
CMYK	cmyk(61.6%, 58.4%, 0%, 14.1%)
CIE-LAB	lab(44.91, 35.72, -66.55)
CIE-LCH	lch(44.91, 75.53, 298.23°)
OKLab	oklab(53.94% 0.0184 -0.1914)
OKLCH	oklch(53.94% 0.192 275.5)
XYZ	xyz(20.1792, 14.4798, 68.7356)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545BDB #DBD454

analogous

#549FDB #545BDB #9154DB

triadic

#545BDB #DB545B #5BDB54

tetradic

#545BDB #DB549F #DBD454 #54DB91

square

#545BDB #DB549F #DBD454 #54DB91

split-complementary

#545BDB #DB9154 #9FDB54

monochromatic

#1F2695 #2A32C8 #545BDB #878BE6 #B9BCF0

Accessibility & contrast

On white

5.39

#545BDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#545BDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545BDB

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545BDB	#FFFFFF	#000000	##FFFFFF
##545BDB	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DF

Deuteranopia (green-blind)

#0064D8

Tritanopia (blue-blind)

#007A92

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #545bdb;
/* rgb */ color: rgb(84, 91, 219);
/* oklch */ color: oklch(53.9% 0.192 275.5);

Tailwind

colors: {
  custom: {
    50: '#9189e7',
    500: '#545bdb',
    950: '#000000',
  },
}

SCSS

$custom: #545bdb;
$custom-light: #9189e7;
$custom-dark: #000000;

JSON

{
  "hex": "#545bdb",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 219
  },
  "hsl": {
    "h": 236.889,
    "s": 65.217,
    "l": 59.412
  },
  "oklch": {
    "l": 0.5394,
    "c": 0.19227,
    "h": 275.5
  },
  "luminance": 0.14481
}

Semantic roles & 50–950 ramp

primary

#545BDB

secondary

#E0DDAB

accent

#DF40E8

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #545BDB

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

Preview Lab → · Contrast checker → · Palette generator →