#545EB8#545EB8

#545EB8 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.0% C 0.140 H 275.6°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#545EB8
RGB	rgb(84, 94, 184)
HSL	hsl(234, 41%, 53%)
HSV	hsv(234, 54%, 72%)
CMYK	cmyk(54.3%, 48.9%, 0%, 27.8%)
CIE-LAB	lab(43.29, 22.29, -48.99)
CIE-LCH	lch(43.29, 53.83, 294.47°)
OKLab	oklab(51.96% 0.0137 -0.1397)
OKLCH	oklch(51.96% 0.14 275.6)
XYZ	xyz(16.3078, 13.3498, 47.0555)
Luminance	0.1335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545EB8 #B8AE54

analogous

#5490B8 #545EB8 #7C54B8

triadic

#545EB8 #B8545E #5EB854

tetradic

#545EB8 #B85490 #B8AE54 #54B87C

square

#545EB8 #B85490 #B8AE54 #54B87C

split-complementary

#545EB8 #B87C54 #90B854

monochromatic

#2B3167 #3D4592 #545EB8 #7F87CA #AAAFDC

Accessibility & contrast

On white

5.72

#545EB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#545EB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545EB8

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545EB8	#FFFFFF	#000000	##FFFFFF
##545EB8	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336BBB

Deuteranopia (green-blind)

#2662B6

Tritanopia (blue-blind)

#237282

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #545eb8;
/* rgb */ color: rgb(84, 94, 184);
/* oklch */ color: oklch(52.0% 0.140 275.6);

Tailwind

colors: {
  custom: {
    50: '#8c8bce',
    500: '#545eb8',
    950: '#000000',
  },
}

SCSS

$custom: #545eb8;
$custom-light: #8c8bce;
$custom-dark: #000000;

JSON

{
  "hex": "#545eb8",
  "rgb": {
    "r": 84,
    "g": 94,
    "b": 184
  },
  "hsl": {
    "h": 234,
    "s": 41.322,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51964,
    "c": 0.14039,
    "h": 275.6
  },
  "luminance": 0.13351
}

Semantic roles & 50–950 ramp

primary

#545EB8

secondary

#CAC59E

accent

#C557D1

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0C14

muted

#7D7D82

Preview Lab

Preview with #545EB8

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

Preview Lab → · Contrast checker → · Palette generator →