#545BB2#545BB2

#545BB2 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.136 H 277.0°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#545BB2
RGB	rgb(84, 91, 178)
HSL	hsl(236, 38%, 51%)
HSV	hsv(236, 53%, 70%)
CMYK	cmyk(52.8%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(42.12, 22.23, -47.34)
CIE-LCH	lch(42.12, 52.30, 295.15°)
OKLab	oklab(50.97% 0.0165 -0.1349)
OKLCH	oklch(50.97% 0.136 277)
XYZ	xyz(15.4306, 12.5804, 43.7260)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545BB2 #B2AB54

analogous

#548AB2 #545BB2 #7C54B2

triadic

#545BB2 #B2545B #5BB254

tetradic

#545BB2 #B2548A #B2AB54 #54B27C

square

#545BB2 #B2548A #B2AB54 #54B27C

split-complementary

#545BB2 #B27C54 #8AB254

monochromatic

#2B2F60 #3E448A #545BB2 #7E83C5 #A8ACD8

Accessibility & contrast

On white

5.97

#545BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#545BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545BB2

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545BB2	#FFFFFF	#000000	##FFFFFF
##545BB2	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3267B5

Deuteranopia (green-blind)

#2860B0

Tritanopia (blue-blind)

#2B6E7E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #545bb2;
/* rgb */ color: rgb(84, 91, 178);
/* oklch */ color: oklch(51.0% 0.136 277.0);

Tailwind

colors: {
  custom: {
    50: '#8b89c9',
    500: '#545bb2',
    950: '#000000',
  },
}

SCSS

$custom: #545bb2;
$custom-light: #8b89c9;
$custom-dark: #000000;

JSON

{
  "hex": "#545bb2",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 235.532,
    "s": 37.903,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50966,
    "c": 0.13589,
    "h": 277
  },
  "luminance": 0.12581
}

Semantic roles & 50–950 ramp

primary

#545BB2

secondary

#C6C39C

accent

#C55ACE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545BB2

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

Preview Lab → · Contrast checker → · Palette generator →