#545CB2#545CB2

#545CB2 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.135 H 276.5°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#545CB2
RGB	rgb(84, 92, 178)
HSL	hsl(235, 38%, 51%)
HSV	hsv(235, 53%, 70%)
CMYK	cmyk(52.8%, 48.3%, 0%, 30.2%)
CIE-LAB	lab(42.39, 21.60, -46.92)
CIE-LCH	lch(42.39, 51.65, 294.72°)
OKLab	oklab(51.17% 0.0153 -0.1336)
OKLCH	oklch(51.17% 0.135 276.5)
XYZ	xyz(15.5166, 12.7525, 43.7547)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545CB2 #B2AA54

analogous

#548BB2 #545CB2 #7B54B2

triadic

#545CB2 #B2545C #5CB254

tetradic

#545CB2 #B2548B #B2AA54 #54B27B

square

#545CB2 #B2548B #B2AA54 #54B27B

split-complementary

#545CB2 #B27B54 #8BB254

monochromatic

#2B3060 #3E458A #545CB2 #7E84C5 #A8ACD8

Accessibility & contrast

On white

5.91

#545CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#545CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545CB2

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545CB2	#FFFFFF	#000000	##FFFFFF
##545CB2	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3468B5

Deuteranopia (green-blind)

#2A60B0

Tritanopia (blue-blind)

#2A6F7E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #545cb2;
/* rgb */ color: rgb(84, 92, 178);
/* oklch */ color: oklch(51.2% 0.135 276.5);

Tailwind

colors: {
  custom: {
    50: '#8b8ac9',
    500: '#545cb2',
    950: '#000000',
  },
}

SCSS

$custom: #545cb2;
$custom-light: #8b8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#545cb2",
  "rgb": {
    "r": 84,
    "g": 92,
    "b": 178
  },
  "hsl": {
    "h": 234.894,
    "s": 37.903,
    "l": 51.373
  },
  "oklch": {
    "l": 0.51165,
    "c": 0.13452,
    "h": 276.5
  },
  "luminance": 0.12753
}

Semantic roles & 50–950 ramp

primary

#545CB2

secondary

#C6C29C

accent

#C45ACE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545CB2

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

Preview Lab → · Contrast checker → · Palette generator →