#558FE5#558FE5

#558FE5 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.0% C 0.143 H 258.1°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#558FE5
RGB	rgb(85, 143, 229)
HSL	hsl(216, 73%, 62%)
HSV	hsv(216, 63%, 90%)
CMYK	cmyk(62.9%, 37.6%, 0%, 10.2%)
CIE-LAB	lab(59.19, 7.44, -49.25)
CIE-LCH	lch(59.19, 49.81, 278.59°)
OKLab	oklab(65.02% -0.0294 -0.1399)
OKLCH	oklch(65.02% 0.143 258.1)
XYZ	xyz(27.7066, 27.2307, 77.9095)
Luminance	0.2723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FE5 #E5AB55

analogous

#55D7E5 #558FE5 #6355E5

triadic

#558FE5 #E5558F #8FE555

tetradic

#558FE5 #E555D7 #E5AB55 #55E563

square

#558FE5 #E555D7 #E5AB55 #55E563

split-complementary

#558FE5 #E56355 #D7E555

monochromatic

#1952A6 #226CDB #558FE5 #8AB2ED #BFD5F5

Accessibility & contrast

On white

3.26

#558FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#558FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FE5

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FE5	#FFFFFF	#000000	##000000
##558FE5	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6996E8

Deuteranopia (green-blind)

#5588E3

Tritanopia (blue-blind)

#00A3AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558fe5;
/* rgb */ color: rgb(85, 143, 229);
/* oklch */ color: oklch(65.0% 0.143 258.1);

Tailwind

colors: {
  custom: {
    50: '#91afed',
    500: '#558fe5',
    950: '#000000',
  },
}

SCSS

$custom: #558fe5;
$custom-light: #91afed;
$custom-dark: #000000;

JSON

{
  "hex": "#558fe5",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 229
  },
  "hsl": {
    "h": 215.833,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.65015,
    "c": 0.14297,
    "h": 258.1
  },
  "luminance": 0.27233
}

Semantic roles & 50–950 ramp

primary

#558FE5

secondary

#E6D0B0

accent

#8610D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558FE5

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

Preview Lab → · Contrast checker → · Palette generator →