#559FFF#559FFF

#559FFF is a light, vivid cyan. Relative luminance 0.339; OKLCH L 69.9% C 0.160 H 255.8°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#559FFF
RGB	rgb(85, 159, 255)
HSL	hsl(214, 100%, 67%)
HSV	hsv(214, 67%, 100%)
CMYK	cmyk(66.7%, 37.6%, 0%, 0%)
CIE-LAB	lab(64.92, 6.80, -54.46)
CIE-LCH	lch(64.92, 54.89, 277.12°)
OKLab	oklab(69.91% -0.0391 -0.155)
OKLCH	oklch(69.91% 0.16 255.8)
XYZ	xyz(34.1879, 33.9441, 99.3385)
Luminance	0.3395 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FFF #FFB555

analogous

#55F4FF #559FFF #6055FF

triadic

#559FFF #FF559F #9FFF55

tetradic

#559FFF #FF55F4 #FFB555 #55FF60

square

#559FFF #FF55F4 #FFB555 #55FF60

split-complementary

#559FFF #FF6055 #F4FF55

monochromatic

#005FDA #187CFF #559FFF #92C2FF #CFE4FF

Accessibility & contrast

On white

2.70

#559FFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#559FFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FFF

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FFF	#FFFFFF	#000000	##000000
##559FFF	1.00	2.70	7.79	7.79
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A6FF

Deuteranopia (green-blind)

#5B96FD

Tritanopia (blue-blind)

#00B5C3

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #559fff;
/* rgb */ color: rgb(85, 159, 255);
/* oklch */ color: oklch(69.9% 0.160 255.8);

Tailwind

colors: {
  custom: {
    50: '#95baff',
    500: '#559fff',
    950: '#000000',
  },
}

SCSS

$custom: #559fff;
$custom-light: #95baff;
$custom-dark: #000000;

JSON

{
  "hex": "#559fff",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 255
  },
  "hsl": {
    "h": 213.882,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.6991,
    "c": 0.15982,
    "h": 255.8
  },
  "luminance": 0.33948
}

Semantic roles & 50–950 ramp

primary

#559FFF

secondary

#F3DBBD

accent

#8200E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1118

muted

#7E8086

Preview Lab

Preview with #559FFF

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

Preview Lab → · Contrast checker → · Palette generator →