#558CE3#558CE3

#558CE3 is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.3% C 0.144 H 259.2°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#558CE3
RGB	rgb(85, 140, 227)
HSL	hsl(217, 72%, 61%)
HSV	hsv(217, 63%, 89%)
CMYK	cmyk(62.6%, 38.3%, 0%, 11%)
CIE-LAB	lab(58.26, 8.55, -49.62)
CIE-LCH	lch(58.26, 50.35, 279.78°)
OKLab	oklab(64.26% -0.0269 -0.141)
OKLCH	oklch(64.26% 0.144 259.2)
XYZ	xyz(26.9846, 26.2310, 76.2992)
Luminance	0.2623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CE3 #E3AC55

analogous

#55D3E3 #558CE3 #6555E3

triadic

#558CE3 #E3558C #8CE355

tetradic

#558CE3 #E355D3 #E3AC55 #55E365

square

#558CE3 #E355D3 #E3AC55 #55E365

split-complementary

#558CE3 #E36555 #D3E355

monochromatic

#1B4FA3 #2369D7 #558CE3 #8AB0EC #BED3F4

Accessibility & contrast

On white

3.36

#558CE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#558CE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CE3

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CE3	#FFFFFF	#000000	##000000
##558CE3	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6693E6

Deuteranopia (green-blind)

#5286E1

Tritanopia (blue-blind)

#00A0AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558ce3;
/* rgb */ color: rgb(85, 140, 227);
/* oklch */ color: oklch(64.3% 0.144 259.2);

Tailwind

colors: {
  custom: {
    50: '#91adec',
    500: '#558ce3',
    950: '#000000',
  },
}

SCSS

$custom: #558ce3;
$custom-light: #91adec;
$custom-dark: #000000;

JSON

{
  "hex": "#558ce3",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 227
  },
  "hsl": {
    "h": 216.761,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64258,
    "c": 0.14356,
    "h": 259.2
  },
  "luminance": 0.26234
}

Semantic roles & 50–950 ramp

primary

#558CE3

secondary

#E5D0AF

accent

#8912D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558CE3

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

Preview Lab → · Contrast checker → · Palette generator →