#548CDB#548CDB

#548CDB is a light, vivid blue. Relative luminance 0.258; OKLCH L 63.8% C 0.133 H 257.2°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#548CDB
RGB	rgb(84, 140, 219)
HSL	hsl(215, 65%, 59%)
HSV	hsv(215, 62%, 86%)
CMYK	cmyk(61.6%, 36.1%, 0%, 14.1%)
CIE-LAB	lab(57.80, 5.70, -45.87)
CIE-LCH	lch(57.80, 46.23, 277.08°)
OKLab	oklab(63.76% -0.0295 -0.1301)
OKLCH	oklch(63.76% 0.133 257.2)
XYZ	xyz(25.8159, 25.7531, 70.6145)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#548CDB #DBA354

analogous

#54D0DB #548CDB #6054DB

triadic

#548CDB #DB548C #8CDB54

tetradic

#548CDB #DB54D0 #DBA354 #54DB60

square

#548CDB #DB54D0 #DBA354 #54DB60

split-complementary

#548CDB #DB6054 #D0DB54

monochromatic

#1F5095 #2A6BC8 #548CDB #87AEE6 #B9D0F0

Accessibility & contrast

On white

3.41

#548CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#548CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #548CDB

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##548CDB	#FFFFFF	#000000	##000000
##548CDB	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A92DE

Deuteranopia (green-blind)

#5885D9

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #548cdb;
/* rgb */ color: rgb(84, 140, 219);
/* oklch */ color: oklch(63.8% 0.133 257.2);

Tailwind

colors: {
  custom: {
    50: '#8fade6',
    500: '#548cdb',
    950: '#000000',
  },
}

SCSS

$custom: #548cdb;
$custom-light: #8fade6;
$custom-dark: #000000;

JSON

{
  "hex": "#548cdb",
  "rgb": {
    "r": 84,
    "g": 140,
    "b": 219
  },
  "hsl": {
    "h": 215.111,
    "s": 65.217,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63759,
    "c": 0.13339,
    "h": 257.2
  },
  "luminance": 0.25755
}

Semantic roles & 50–950 ramp

primary

#548CDB

secondary

#E0CAAB

accent

#A240E8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #548CDB

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

Preview Lab → · Contrast checker → · Palette generator →