#558DEE#558DEE

#558DEE is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.1% C 0.157 H 260.6°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#558DEE
RGB	rgb(85, 141, 238)
HSL	hsl(218, 82%, 63%)
HSV	hsv(218, 64%, 93%)
CMYK	cmyk(64.3%, 40.8%, 0%, 6.7%)
CIE-LAB	lab(59.11, 11.67, -54.36)
CIE-LCH	lch(59.11, 55.60, 282.11°)
OKLab	oklab(65.11% -0.0255 -0.1549)
OKLCH	oklch(65.11% 0.157 260.6)
XYZ	xyz(28.6983, 27.1513, 84.6007)
Luminance	0.2715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DEE #EEB655

analogous

#55DAEE #558DEE #6955EE

triadic

#558DEE #EE558D #8DEE55

tetradic

#558DEE #EE55DA #EEB655 #55EE69

square

#558DEE #EE55DA #EEB655 #55EE69

split-complementary

#558DEE #EE6955 #DAEE55

monochromatic

#124EB6 #1D68E8 #558DEE #8DB2F4 #C4D8F9

Accessibility & contrast

On white

3.27

#558DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#558DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DEE

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DEE	#FFFFFF	#000000	##000000
##558DEE	1.00	3.27	6.43	6.43
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6196F2

Deuteranopia (green-blind)

#4A88EC

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558dee;
/* rgb */ color: rgb(85, 141, 238);
/* oklch */ color: oklch(65.1% 0.157 260.6);

Tailwind

colors: {
  custom: {
    50: '#93adf4',
    500: '#558dee',
    950: '#000000',
  },
}

SCSS

$custom: #558dee;
$custom-light: #93adf4;
$custom-dark: #000000;

JSON

{
  "hex": "#558dee",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 238
  },
  "hsl": {
    "h": 218.039,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65113,
    "c": 0.157,
    "h": 260.6
  },
  "luminance": 0.27154
}

Semantic roles & 50–950 ramp

primary

#558DEE

secondary

#EBD7B4

accent

#9007DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558DEE

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

Preview Lab → · Contrast checker → · Palette generator →