#545BCB#545BCB

#545BCB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.171 H 276.1°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#545BCB
RGB	rgb(84, 91, 203)
HSL	hsl(236, 53%, 56%)
HSV	hsv(236, 59%, 80%)
CMYK	cmyk(58.6%, 55.2%, 0%, 20.4%)
CIE-LAB	lab(43.77, 30.44, -59.24)
CIE-LCH	lch(43.77, 66.60, 297.19°)
OKLab	oklab(52.73% 0.0183 -0.1699)
OKLCH	oklch(52.73% 0.171 276.1)
XYZ	xyz(18.1733, 13.6774, 58.1707)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545BCB #CBC454

analogous

#5497CB #545BCB #8954CB

triadic

#545BCB #CB545B #5BCB54

tetradic

#545BCB #CB5497 #CBC454 #54CB89

square

#545BCB #CB5497 #CBC454 #54CB89

split-complementary

#545BCB #CB8954 #97CB54

monochromatic

#262C7E #353CAD #545BCB #8388D9 #B2B5E8

Accessibility & contrast

On white

5.62

#545BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#545BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545BCB

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545BCB	#FFFFFF	#000000	##FFFFFF
##545BCB	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#046DCF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #545bcb;
/* rgb */ color: rgb(84, 91, 203);
/* oklch */ color: oklch(52.7% 0.171 276.1);

Tailwind

colors: {
  custom: {
    50: '#8f89dc',
    500: '#545bcb',
    950: '#000000',
  },
}

SCSS

$custom: #545bcb;
$custom-light: #8f89dc;
$custom-dark: #000000;

JSON

{
  "hex": "#545bcb",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 203
  },
  "hsl": {
    "h": 236.471,
    "s": 53.363,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52725,
    "c": 0.17087,
    "h": 276.1
  },
  "luminance": 0.13679
}

Semantic roles & 50–950 ramp

primary

#545BCB

secondary

#D6D3A5

accent

#D44BDD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #545BCB

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

Preview Lab → · Contrast checker → · Palette generator →