#558DE3#558DE3

#558DE3 is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.5% C 0.142 H 258.7°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#558DE3
RGB	rgb(85, 141, 227)
HSL	hsl(216, 72%, 61%)
HSV	hsv(216, 63%, 89%)
CMYK	cmyk(62.6%, 37.9%, 0%, 11%)
CIE-LAB	lab(58.53, 7.96, -49.18)
CIE-LCH	lch(58.53, 49.82, 279.19°)
OKLab	oklab(64.47% -0.0279 -0.1397)
OKLCH	oklch(64.47% 0.142 258.7)
XYZ	xyz(27.1314, 26.5246, 76.3481)
Luminance	0.2653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DE3 #E3AB55

analogous

#55D4E3 #558DE3 #6455E3

triadic

#558DE3 #E3558D #8DE355

tetradic

#558DE3 #E355D4 #E3AB55 #55E364

square

#558DE3 #E355D4 #E3AB55 #55E364

split-complementary

#558DE3 #E36455 #D4E355

monochromatic

#1B50A3 #236AD7 #558DE3 #8AB0EC #BED3F4

Accessibility & contrast

On white

3.33

#558DE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#558DE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DE3

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DE3	#FFFFFF	#000000	##000000
##558DE3	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6794E6

Deuteranopia (green-blind)

#5387E1

Tritanopia (blue-blind)

#00A1AD

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #558de3;
/* rgb */ color: rgb(85, 141, 227);
/* oklch */ color: oklch(64.5% 0.142 258.7);

Tailwind

colors: {
  custom: {
    50: '#91adec',
    500: '#558de3',
    950: '#000000',
  },
}

SCSS

$custom: #558de3;
$custom-light: #91adec;
$custom-dark: #000000;

JSON

{
  "hex": "#558de3",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 227
  },
  "hsl": {
    "h": 216.338,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64472,
    "c": 0.14247,
    "h": 258.7
  },
  "luminance": 0.26527
}

Semantic roles & 50–950 ramp

primary

#558DE3

secondary

#E5D0AF

accent

#8712D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558DE3

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

Preview Lab → · Contrast checker → · Palette generator →