#558BE1#558BE1

#558BE1 is a light, vivid blue. Relative luminance 0.258; OKLCH L 63.9% C 0.142 H 259.3°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#558BE1
RGB	rgb(85, 139, 225)
HSL	hsl(217, 70%, 61%)
HSV	hsv(217, 62%, 88%)
CMYK	cmyk(62.2%, 38.2%, 0%, 11.8%)
CIE-LAB	lab(57.88, 8.48, -49.10)
CIE-LCH	lch(57.88, 49.83, 279.80°)
OKLab	oklab(63.93% -0.0263 -0.1395)
OKLCH	oklch(63.93% 0.142 259.3)
XYZ	xyz(26.5647, 25.8303, 74.8054)
Luminance	0.2583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BE1 #E1AB55

analogous

#55D1E1 #558BE1 #6555E1

triadic

#558BE1 #E1558B #8BE155

tetradic

#558BE1 #E155D1 #E1AB55 #55E165

square

#558BE1 #E155D1 #E1AB55 #55E165

split-complementary

#558BE1 #E16555 #D1E155

monochromatic

#1C4F9F #2568D3 #558BE1 #89AEEA #BDD2F3

Accessibility & contrast

On white

3.41

#558BE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#558BE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BE1

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BE1	#FFFFFF	#000000	##000000
##558BE1	1.00	3.41	6.17	6.17
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6592E4

Deuteranopia (green-blind)

#5285DF

Tritanopia (blue-blind)

#009FAB

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558be1;
/* rgb */ color: rgb(85, 139, 225);
/* oklch */ color: oklch(63.9% 0.142 259.3);

Tailwind

colors: {
  custom: {
    50: '#91aceb',
    500: '#558be1',
    950: '#000000',
  },
}

SCSS

$custom: #558be1;
$custom-light: #91aceb;
$custom-dark: #000000;

JSON

{
  "hex": "#558be1",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 225
  },
  "hsl": {
    "h": 216.857,
    "s": 70,
    "l": 60.784
  },
  "oklch": {
    "l": 0.63929,
    "c": 0.14199,
    "h": 259.3
  },
  "luminance": 0.25833
}

Semantic roles & 50–950 ramp

primary

#558BE1

secondary

#E3CFAE

accent

#8914D2

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558BE1

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

Preview Lab → · Contrast checker → · Palette generator →