#558EEE#558EEE

#558EEE is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.3% C 0.156 H 260.2°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#558EEE
RGB	rgb(85, 142, 238)
HSL	hsl(218, 82%, 63%)
HSV	hsv(218, 64%, 93%)
CMYK	cmyk(64.3%, 40.3%, 0%, 6.7%)
CIE-LAB	lab(59.39, 11.07, -53.93)
CIE-LCH	lch(59.39, 55.05, 281.60°)
OKLab	oklab(65.32% -0.0265 -0.1536)
OKLCH	oklch(65.32% 0.156 260.2)
XYZ	xyz(28.8465, 27.4476, 84.6500)
Luminance	0.2745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EEE #EEB555

analogous

#55DAEE #558EEE #6855EE

triadic

#558EEE #EE558E #8EEE55

tetradic

#558EEE #EE55DA #EEB555 #55EE68

square

#558EEE #EE55DA #EEB555 #55EE68

split-complementary

#558EEE #EE6855 #DAEE55

monochromatic

#124FB6 #1D69E8 #558EEE #8DB3F4 #C4D8F9

Accessibility & contrast

On white

3.24

#558EEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#558EEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EEE

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EEE	#FFFFFF	#000000	##000000
##558EEE	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6297F2

Deuteranopia (green-blind)

#4B88EC

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #558eee;
/* rgb */ color: rgb(85, 142, 238);
/* oklch */ color: oklch(65.3% 0.156 260.2);

Tailwind

colors: {
  custom: {
    50: '#93aef4',
    500: '#558eee',
    950: '#000000',
  },
}

SCSS

$custom: #558eee;
$custom-light: #93aef4;
$custom-dark: #000000;

JSON

{
  "hex": "#558eee",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 238
  },
  "hsl": {
    "h": 217.647,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65324,
    "c": 0.15589,
    "h": 260.2
  },
  "luminance": 0.2745
}

Semantic roles & 50–950 ramp

primary

#558EEE

secondary

#EBD6B4

accent

#8E07DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558EEE

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

Preview Lab → · Contrast checker → · Palette generator →