#558AD9#558AD9

#558AD9 is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.3% C 0.132 H 258.2°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#558AD9
RGB	rgb(85, 138, 217)
HSL	hsl(216, 63%, 59%)
HSV	hsv(216, 61%, 85%)
CMYK	cmyk(60.8%, 36.4%, 0%, 14.9%)
CIE-LAB	lab(57.19, 6.40, -45.72)
CIE-LCH	lch(57.19, 46.17, 277.97°)
OKLab	oklab(63.26% -0.0271 -0.1296)
OKLCH	oklch(63.26% 0.132 258.2)
XYZ	xyz(25.3547, 25.1157, 69.1438)
Luminance	0.2512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AD9 #D9A455

analogous

#55CCD9 #558AD9 #6255D9

triadic

#558AD9 #D9558A #8AD955

tetradic

#558AD9 #D955CC #D9A455 #55D962

square

#558AD9 #D955CC #D9A455 #55D962

split-complementary

#558AD9 #D96255 #CCD955

monochromatic

#214F93 #2C69C5 #558AD9 #87ACE4 #B9CFEF

Accessibility & contrast

On white

3.49

#558AD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#558AD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AD9

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AD9	#FFFFFF	#000000	##000000
##558AD9	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6890DC

Deuteranopia (green-blind)

#5684D7

Tritanopia (blue-blind)

#009CA7

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #558ad9;
/* rgb */ color: rgb(85, 138, 217);
/* oklch */ color: oklch(63.3% 0.132 258.2);

Tailwind

colors: {
  custom: {
    50: '#90abe5',
    500: '#558ad9',
    950: '#000000',
  },
}

SCSS

$custom: #558ad9;
$custom-light: #90abe5;
$custom-dark: #000000;

JSON

{
  "hex": "#558ad9",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 217
  },
  "hsl": {
    "h": 215.909,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.6326,
    "c": 0.13246,
    "h": 258.2
  },
  "luminance": 0.25118
}

Semantic roles & 50–950 ramp

primary

#558AD9

secondary

#DFCAAB

accent

#A441E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #558AD9

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

Preview Lab → · Contrast checker → · Palette generator →