#558EEC#558EEC

#558EEC is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.2% C 0.153 H 259.9°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#558EEC
RGB	rgb(85, 142, 236)
HSL	hsl(217, 80%, 63%)
HSV	hsv(217, 64%, 93%)
CMYK	cmyk(64%, 39.8%, 0%, 7.5%)
CIE-LAB	lab(59.28, 10.39, -52.99)
CIE-LCH	lch(59.28, 54.00, 281.10°)
OKLab	oklab(65.21% -0.0269 -0.1509)
OKLCH	oklch(65.21% 0.153 259.9)
XYZ	xyz(28.5543, 27.3307, 83.1112)
Luminance	0.2733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EEC #ECB355

analogous

#55D9EC #558EEC #6755EC

triadic

#558EEC #EC558E #8EEC55

tetradic

#558EEC #EC55D9 #ECB355 #55EC67

square

#558EEC #EC55D9 #ECB355 #55EC67

split-complementary

#558EEC #EC6755 #D9EC55

monochromatic

#1450B3 #1E69E6 #558EEC #8CB3F2 #C3D7F8

Accessibility & contrast

On white

3.25

#558EEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#558EEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EEC

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EEC	#FFFFFF	#000000	##000000
##558EEC	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6496F0

Deuteranopia (green-blind)

#4D88EA

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #558eec;
/* rgb */ color: rgb(85, 142, 236);
/* oklch */ color: oklch(65.2% 0.153 259.9);

Tailwind

colors: {
  custom: {
    50: '#92aef2',
    500: '#558eec',
    950: '#000000',
  },
}

SCSS

$custom: #558eec;
$custom-light: #92aef2;
$custom-dark: #000000;

JSON

{
  "hex": "#558eec",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 236
  },
  "hsl": {
    "h": 217.351,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65206,
    "c": 0.15325,
    "h": 259.9
  },
  "luminance": 0.27333
}

Semantic roles & 50–950 ramp

primary

#558EEC

secondary

#EAD5B3

accent

#8D09DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558EEC

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

Preview Lab → · Contrast checker → · Palette generator →