#545BBB#545BBB

#545BBB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.149 H 276.7°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#545BBB
RGB	rgb(84, 91, 187)
HSL	hsl(236, 43%, 53%)
HSV	hsv(236, 55%, 73%)
CMYK	cmyk(55.1%, 51.3%, 0%, 26.7%)
CIE-LAB	lab(42.69, 25.17, -51.70)
CIE-LCH	lch(42.69, 57.50, 295.96°)
OKLab	oklab(51.58% 0.0174 -0.1477)
OKLCH	oklch(51.58% 0.149 276.7)
XYZ	xyz(16.3640, 12.9537, 48.6421)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545BBB #BBB454

analogous

#548EBB #545BBB #8054BB

triadic

#545BBB #BB545B #5BBB54

tetradic

#545BBB #BB548E #BBB454 #54BB80

square

#545BBB #BB548E #BBB454 #54BB80

split-complementary

#545BBB #BB8054 #8EBB54

monochromatic

#2A2F6A #3C4296 #545BBB #8085CC #ACAFDE

Accessibility & contrast

On white

5.85

#545BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#545BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545BBB

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545BBB	#FFFFFF	#000000	##FFFFFF
##545BBB	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2969BE

Deuteranopia (green-blind)

#1861B9

Tritanopia (blue-blind)

#207182

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #545bbb;
/* rgb */ color: rgb(84, 91, 187);
/* oklch */ color: oklch(51.6% 0.149 276.7);

Tailwind

colors: {
  custom: {
    50: '#8c89d0',
    500: '#545bbb',
    950: '#000000',
  },
}

SCSS

$custom: #545bbb;
$custom-light: #8c89d0;
$custom-dark: #000000;

JSON

{
  "hex": "#545bbb",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 187
  },
  "hsl": {
    "h": 235.922,
    "s": 43.096,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51578,
    "c": 0.14871,
    "h": 276.7
  },
  "luminance": 0.12955
}

Semantic roles & 50–950 ramp

primary

#545BBB

secondary

#CCC99F

accent

#CA55D3

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #545BBB

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

Preview Lab → · Contrast checker → · Palette generator →