#558EEA#558EEA

#558EEA is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.1% C 0.151 H 259.5°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#558EEA
RGB	rgb(85, 142, 234)
HSL	hsl(217, 78%, 63%)
HSV	hsv(217, 64%, 92%)
CMYK	cmyk(63.7%, 39.3%, 0%, 8.2%)
CIE-LAB	lab(59.17, 9.72, -52.05)
CIE-LCH	lch(59.17, 52.95, 280.58°)
OKLab	oklab(65.09% -0.0273 -0.1481)
OKLCH	oklch(65.09% 0.151 259.5)
XYZ	xyz(28.2653, 27.2151, 81.5894)
Luminance	0.2722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EEA #EAB155

analogous

#55D8EA #558EEA #6755EA

triadic

#558EEA #EA558E #8EEA55

tetradic

#558EEA #EA55D8 #EAB155 #55EA67

square

#558EEA #EA55D8 #EAB155 #55EA67

split-complementary

#558EEA #EA6755 #D8EA55

monochromatic

#1650AF #1F6AE3 #558EEA #8BB2F1 #C2D6F7

Accessibility & contrast

On white

3.26

#558EEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#558EEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EEA

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EEA	#FFFFFF	#000000	##000000
##558EEA	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6596EE

Deuteranopia (green-blind)

#4F88E8

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558eea;
/* rgb */ color: rgb(85, 142, 234);
/* oklch */ color: oklch(65.1% 0.151 259.5);

Tailwind

colors: {
  custom: {
    50: '#92aef1',
    500: '#558eea',
    950: '#000000',
  },
}

SCSS

$custom: #558eea;
$custom-light: #92aef1;
$custom-dark: #000000;

JSON

{
  "hex": "#558eea",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 234
  },
  "hsl": {
    "h": 217.047,
    "s": 78.01,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65089,
    "c": 0.15062,
    "h": 259.5
  },
  "luminance": 0.27218
}

Semantic roles & 50–950 ramp

primary

#558EEA

secondary

#E8D4B2

accent

#8B0BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558EEA

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

Preview Lab → · Contrast checker → · Palette generator →