#559AF9#559AF9

#559AF9 is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.5% C 0.157 H 256.9°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#559AF9
RGB	rgb(85, 154, 249)
HSL	hsl(215, 93%, 65%)
HSV	hsv(215, 66%, 98%)
CMYK	cmyk(65.9%, 38.2%, 0%, 2.4%)
CIE-LAB	lab(63.24, 7.70, -53.85)
CIE-LCH	lch(63.24, 54.39, 278.13°)
OKLab	oklab(68.51% -0.0357 -0.1532)
OKLCH	oklch(68.51% 0.157 256.9)
XYZ	xyz(32.3946, 31.8788, 94.0502)
Luminance	0.3188 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559AF9 #F9B455

analogous

#55ECF9 #559AF9 #6255F9

triadic

#559AF9 #F9559A #9AF955

tetradic

#559AF9 #F955EC #F9B455 #55F962

square

#559AF9 #F955EC #F9B455 #55F962

split-complementary

#559AF9 #F96255 #ECF955

monochromatic

#075ACC #1A77F7 #559AF9 #90BDFB #CBE0FD

Accessibility & contrast

On white

2.85

#559AF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#559AF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559AF9

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559AF9	#FFFFFF	#000000	##000000
##559AF9	1.00	2.85	7.38	7.38
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6FA1FD

Deuteranopia (green-blind)

#5792F7

Tritanopia (blue-blind)

#00B0BD

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559af9;
/* rgb */ color: rgb(85, 154, 249);
/* oklch */ color: oklch(68.5% 0.157 256.9);

Tailwind

colors: {
  custom: {
    50: '#94b7fc',
    500: '#559af9',
    950: '#000000',
  },
}

SCSS

$custom: #559af9;
$custom-light: #94b7fc;
$custom-dark: #000000;

JSON

{
  "hex": "#559af9",
  "rgb": {
    "r": 85,
    "g": 154,
    "b": 249
  },
  "hsl": {
    "h": 214.756,
    "s": 93.182,
    "l": 65.49
  },
  "oklch": {
    "l": 0.68505,
    "c": 0.15733,
    "h": 256.9
  },
  "luminance": 0.31882
}

Semantic roles & 50–950 ramp

primary

#559AF9

secondary

#F0D9B9

accent

#8500E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #559AF9

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

Preview Lab → · Contrast checker → · Palette generator →