#558AFF#558AFF

#558AFF is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.5% C 0.183 H 263.8°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#558AFF
RGB	rgb(85, 138, 255)
HSL	hsl(221, 100%, 67%)
HSV	hsv(221, 67%, 100%)
CMYK	cmyk(66.7%, 45.9%, 0%, 0%)
CIE-LAB	lab(59.27, 19.27, -63.47)
CIE-LCH	lch(59.27, 66.33, 286.88°)
OKLab	oklab(65.55% -0.0198 -0.1817)
OKLCH	oklch(65.55% 0.183 263.8)
XYZ	xyz(30.8784, 27.3252, 98.2353)
Luminance	0.2733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AFF #FFCA55

analogous

#55DFFF #558AFF #7555FF

triadic

#558AFF #FF558A #8AFF55

tetradic

#558AFF #FF55DF #FFCA55 #55FF75

square

#558AFF #FF55DF #FFCA55 #55FF75

split-complementary

#558AFF #FF7555 #DFFF55

monochromatic

#0044DA #1860FF #558AFF #92B4FF #CFDEFF

Accessibility & contrast

On white

3.25

#558AFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#558AFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AFF

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AFF	#FFFFFF	#000000	##000000
##558AFF	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E97FF

Deuteranopia (green-blind)

#2B87FD

Tritanopia (blue-blind)

#00A5B8

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #558aff;
/* rgb */ color: rgb(85, 138, 255);
/* oklch */ color: oklch(65.5% 0.183 263.8);

Tailwind

colors: {
  custom: {
    50: '#96abff',
    500: '#558aff',
    950: '#000000',
  },
}

SCSS

$custom: #558aff;
$custom-light: #96abff;
$custom-dark: #000000;

JSON

{
  "hex": "#558aff",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 255
  },
  "hsl": {
    "h": 221.294,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.65547,
    "c": 0.18281,
    "h": 263.8
  },
  "luminance": 0.27328
}

Semantic roles & 50–950 ramp

primary

#558AFF

secondary

#F3E2BD

accent

#9E00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #558AFF

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

Preview Lab → · Contrast checker → · Palette generator →