#545DB5#545DB5

#545DB5 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.137 H 276.1°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#545DB5
RGB	rgb(84, 93, 181)
HSL	hsl(234, 40%, 52%)
HSV	hsv(234, 54%, 71%)
CMYK	cmyk(53.6%, 48.6%, 0%, 29%)
CIE-LAB	lab(42.84, 21.94, -47.96)
CIE-LCH	lch(42.84, 52.74, 294.59°)
OKLab	oklab(51.56% 0.0145 -0.1367)
OKLCH	oklch(51.56% 0.137 276.1)
XYZ	xyz(15.9083, 13.0487, 45.3875)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545DB5 #B5AC54

analogous

#548EB5 #545DB5 #7C54B5

triadic

#545DB5 #B5545D #5DB554

tetradic

#545DB5 #B5548E #B5AC54 #54B57C

square

#545DB5 #B5548E #B5AC54 #54B57C

split-complementary

#545DB5 #B57C54 #8EB554

monochromatic

#2B3064 #3E458E #545DB5 #7F85C7 #A9AEDA

Accessibility & contrast

On white

5.82

#545DB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#545DB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545DB5

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545DB5	#FFFFFF	#000000	##FFFFFF
##545DB5	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3469B8

Deuteranopia (green-blind)

#2861B3

Tritanopia (blue-blind)

#277080

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #545db5;
/* rgb */ color: rgb(84, 93, 181);
/* oklch */ color: oklch(51.6% 0.137 276.1);

Tailwind

colors: {
  custom: {
    50: '#8b8acc',
    500: '#545db5',
    950: '#000000',
  },
}

SCSS

$custom: #545db5;
$custom-light: #8b8acc;
$custom-dark: #000000;

JSON

{
  "hex": "#545db5",
  "rgb": {
    "r": 84,
    "g": 93,
    "b": 181
  },
  "hsl": {
    "h": 234.433,
    "s": 39.592,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51564,
    "c": 0.13746,
    "h": 276.1
  },
  "luminance": 0.1305
}

Semantic roles & 50–950 ramp

primary

#545DB5

secondary

#C8C49D

accent

#C458CF

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545DB5

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

Preview Lab → · Contrast checker → · Palette generator →