#545BB7#545BB7

#545BB7 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.143 H 276.8°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#545BB7
RGB	rgb(84, 91, 183)
HSL	hsl(236, 41%, 52%)
HSV	hsv(236, 54%, 72%)
CMYK	cmyk(54.1%, 50.3%, 0%, 28.2%)
CIE-LAB	lab(42.44, 23.86, -49.77)
CIE-LCH	lch(42.44, 55.19, 295.61°)
OKLab	oklab(51.3% 0.017 -0.142)
OKLCH	oklch(51.3% 0.143 276.8)
XYZ	xyz(15.9418, 12.7848, 46.4182)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545BB7 #B7B054

analogous

#548CB7 #545BB7 #7F54B7

triadic

#545BB7 #B7545B #5BB754

tetradic

#545BB7 #B7548C #B7B054 #54B77F

square

#545BB7 #B7548C #B7B054 #54B77F

split-complementary

#545BB7 #B77F54 #8CB754

monochromatic

#2B2F66 #3D4391 #545BB7 #7F84C9 #AAAEDB

Accessibility & contrast

On white

5.90

#545BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#545BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545BB7

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545BB7	#FFFFFF	#000000	##FFFFFF
##545BB7	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D68BA

Deuteranopia (green-blind)

#2060B5

Tritanopia (blue-blind)

#256F80

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #545bb7;
/* rgb */ color: rgb(84, 91, 183);
/* oklch */ color: oklch(51.3% 0.143 276.8);

Tailwind

colors: {
  custom: {
    50: '#8c89cd',
    500: '#545bb7',
    950: '#000000',
  },
}

SCSS

$custom: #545bb7;
$custom-light: #8c89cd;
$custom-dark: #000000;

JSON

{
  "hex": "#545bb7",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 183
  },
  "hsl": {
    "h": 235.758,
    "s": 40.741,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51303,
    "c": 0.14304,
    "h": 276.8
  },
  "luminance": 0.12786
}

Semantic roles & 50–950 ramp

primary

#545BB7

secondary

#C9C69E

accent

#C857D1

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0B13

muted

#7D7C82

Preview Lab

Preview with #545BB7

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

Preview Lab → · Contrast checker → · Palette generator →