#558BE3#558BE3

#558BE3 is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.0% C 0.145 H 259.7°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#558BE3
RGB	rgb(85, 139, 227)
HSL	hsl(217, 72%, 61%)
HSV	hsv(217, 63%, 89%)
CMYK	cmyk(62.6%, 38.8%, 0%, 11%)
CIE-LAB	lab(57.98, 9.15, -50.05)
CIE-LCH	lch(57.98, 50.88, 280.36°)
OKLab	oklab(64.04% -0.0259 -0.1423)
OKLCH	oklch(64.04% 0.145 259.7)
XYZ	xyz(26.8392, 25.9401, 76.2507)
Luminance	0.2594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BE3 #E3AD55

analogous

#55D2E3 #558BE3 #6655E3

triadic

#558BE3 #E3558B #8BE355

tetradic

#558BE3 #E355D2 #E3AD55 #55E366

square

#558BE3 #E355D2 #E3AD55 #55E366

split-complementary

#558BE3 #E36655 #D2E355

monochromatic

#1B4FA3 #2368D7 #558BE3 #8AAFEC #BED3F4

Accessibility & contrast

On white

3.39

#558BE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#558BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BE3

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BE3	#FFFFFF	#000000	##000000
##558BE3	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6493E7

Deuteranopia (green-blind)

#5085E1

Tritanopia (blue-blind)

#009FAC

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558be3;
/* rgb */ color: rgb(85, 139, 227);
/* oklch */ color: oklch(64.0% 0.145 259.7);

Tailwind

colors: {
  custom: {
    50: '#91acec',
    500: '#558be3',
    950: '#000000',
  },
}

SCSS

$custom: #558be3;
$custom-light: #91acec;
$custom-dark: #000000;

JSON

{
  "hex": "#558be3",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 227
  },
  "hsl": {
    "h": 217.183,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64044,
    "c": 0.14464,
    "h": 259.7
  },
  "luminance": 0.25943
}

Semantic roles & 50–950 ramp

primary

#558BE3

secondary

#E5D0AF

accent

#8A12D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558BE3

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

Preview Lab → · Contrast checker → · Palette generator →