#548BDB#548BDB

#548BDB is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.5% C 0.134 H 257.8°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#548BDB
RGB	rgb(84, 139, 219)
HSL	hsl(216, 65%, 59%)
HSV	hsv(216, 62%, 86%)
CMYK	cmyk(61.6%, 36.5%, 0%, 14.1%)
CIE-LAB	lab(57.52, 6.29, -46.31)
CIE-LCH	lch(57.52, 46.74, 277.73°)
OKLab	oklab(63.54% -0.0285 -0.1314)
OKLCH	oklch(63.54% 0.134 257.8)
XYZ	xyz(25.6704, 25.4622, 70.5660)
Luminance	0.2546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#548BDB #DBA454

analogous

#54CEDB #548BDB #6154DB

triadic

#548BDB #DB548B #8BDB54

tetradic

#548BDB #DB54CE #DBA454 #54DB61

square

#548BDB #DB54CE #DBA454 #54DB61

split-complementary

#548BDB #DB6154 #CEDB54

monochromatic

#1F4F95 #2A6AC8 #548BDB #87ADE6 #B9D0F0

Accessibility & contrast

On white

3.45

#548BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#548BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #548BDB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##548BDB	#FFFFFF	#000000	##000000
##548BDB	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6991DE

Deuteranopia (green-blind)

#5684D9

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #548bdb;
/* rgb */ color: rgb(84, 139, 219);
/* oklch */ color: oklch(63.5% 0.134 257.8);

Tailwind

colors: {
  custom: {
    50: '#8face6',
    500: '#548bdb',
    950: '#000000',
  },
}

SCSS

$custom: #548bdb;
$custom-light: #8face6;
$custom-dark: #000000;

JSON

{
  "hex": "#548bdb",
  "rgb": {
    "r": 84,
    "g": 139,
    "b": 219
  },
  "hsl": {
    "h": 215.556,
    "s": 65.217,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63542,
    "c": 0.13444,
    "h": 257.8
  },
  "luminance": 0.25465
}

Semantic roles & 50–950 ramp

primary

#548BDB

secondary

#E0CAAB

accent

#A440E8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #548BDB

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

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