#558DD9#558DD9

#558DD9 is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.9% C 0.129 H 256.5°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#558DD9
RGB	rgb(85, 141, 217)
HSL	hsl(215, 63%, 59%)
HSV	hsv(215, 61%, 85%)
CMYK	cmyk(60.8%, 35%, 0%, 14.9%)
CIE-LAB	lab(58.03, 4.63, -44.40)
CIE-LCH	lch(58.03, 44.64, 275.95°)
OKLab	oklab(63.91% -0.0303 -0.1257)
OKLCH	oklch(63.91% 0.129 256.5)
XYZ	xyz(25.7911, 25.9885, 69.2893)
Luminance	0.2599 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DD9 #D9A155

analogous

#55CFD9 #558DD9 #5F55D9

triadic

#558DD9 #D9558D #8DD955

tetradic

#558DD9 #D955CF #D9A155 #55D95F

square

#558DD9 #D955CF #D9A155 #55D95F

split-complementary

#558DD9 #D95F55 #CFD955

monochromatic

#215193 #2C6DC5 #558DD9 #87AFE4 #B9D0EF

Accessibility & contrast

On white

3.39

#558DD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#558DD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DD9

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DD9	#FFFFFF	#000000	##000000
##558DD9	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D92DC

Deuteranopia (green-blind)

#5B86D7

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558dd9;
/* rgb */ color: rgb(85, 141, 217);
/* oklch */ color: oklch(63.9% 0.129 256.5);

Tailwind

colors: {
  custom: {
    50: '#90aee5',
    500: '#558dd9',
    950: '#000000',
  },
}

SCSS

$custom: #558dd9;
$custom-light: #90aee5;
$custom-dark: #000000;

JSON

{
  "hex": "#558dd9",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 217
  },
  "hsl": {
    "h": 214.545,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.63913,
    "c": 0.12934,
    "h": 256.5
  },
  "luminance": 0.25991
}

Semantic roles & 50–950 ramp

primary

#558DD9

secondary

#DFC9AB

accent

#A041E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #558DD9

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

Preview Lab → · Contrast checker → · Palette generator →