#545FCB#545FCB

#545FCB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.5% C 0.166 H 274.9°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#545FCB
RGB	rgb(84, 95, 203)
HSL	hsl(234, 53%, 56%)
HSV	hsv(234, 59%, 80%)
CMYK	cmyk(58.6%, 53.2%, 0%, 20.4%)
CIE-LAB	lab(44.77, 27.94, -57.61)
CIE-LCH	lch(44.77, 64.03, 295.87°)
OKLab	oklab(53.48% 0.0143 -0.1651)
OKLCH	oklch(53.48% 0.166 274.9)
XYZ	xyz(18.5244, 14.3796, 58.2877)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545FCB #CBC054

analogous

#549BCB #545FCB #8554CB

triadic

#545FCB #CB545F #5FCB54

tetradic

#545FCB #CB549B #CBC054 #54CB85

square

#545FCB #CB549B #CBC054 #54CB85

split-complementary

#545FCB #CB8554 #9BCB54

monochromatic

#262F7E #3540AD #545FCB #838BD9 #B2B7E8

Accessibility & contrast

On white

5.42

#545FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#545FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545FCB

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545FCB	#FFFFFF	#000000	##FFFFFF
##545FCB	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C6FCF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #545fcb;
/* rgb */ color: rgb(84, 95, 203);
/* oklch */ color: oklch(53.5% 0.166 274.9);

Tailwind

colors: {
  custom: {
    50: '#8e8cdb',
    500: '#545fcb',
    950: '#000000',
  },
}

SCSS

$custom: #545fcb;
$custom-light: #8e8cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#545fcb",
  "rgb": {
    "r": 84,
    "g": 95,
    "b": 203
  },
  "hsl": {
    "h": 234.454,
    "s": 53.363,
    "l": 56.275
  },
  "oklch": {
    "l": 0.53478,
    "c": 0.16568,
    "h": 274.9
  },
  "luminance": 0.14381
}

Semantic roles & 50–950 ramp

primary

#545FCB

secondary

#D6D1A5

accent

#CF4BDD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #545FCB

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

Preview Lab → · Contrast checker → · Palette generator →