#559FEF#559FEF

#559FEF is a light, vivid cyan. Relative luminance 0.330; OKLCH L 69.0% C 0.140 H 252.1°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#559FEF
RGB	rgb(85, 159, 239)
HSL	hsl(211, 83%, 64%)
HSV	hsv(211, 64%, 94%)
CMYK	cmyk(64.4%, 33.5%, 0%, 6.3%)
CIE-LAB	lab(64.13, 1.44, -46.97)
CIE-LCH	lch(64.13, 46.99, 271.76°)
OKLab	oklab(69.03% -0.043 -0.133)
OKLCH	oklch(69.03% 0.14 252.1)
XYZ	xyz(31.7187, 32.9564, 86.3343)
Luminance	0.3296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FEF #EFA555

analogous

#55ECEF #559FEF #5855EF

triadic

#559FEF #EF559F #9FEF55

tetradic

#559FEF #EF55EC #EFA555 #55EF58

square

#559FEF #EF55EC #EFA555 #55EF58

split-complementary

#559FEF #EF5855 #ECEF55

monochromatic

#1162B8 #1D7FEA #559FEF #8DBFF4 #C5DEFA

Accessibility & contrast

On white

2.77

#559FEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#559FEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FEF

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FEF	#FFFFFF	#000000	##000000
##559FEF	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA3F2

Deuteranopia (green-blind)

#6795ED

Tritanopia (blue-blind)

#00B2BC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #559fef;
/* rgb */ color: rgb(85, 159, 239);
/* oklch */ color: oklch(69.0% 0.140 252.1);

Tailwind

colors: {
  custom: {
    50: '#93bbf4',
    500: '#559fef',
    950: '#000000',
  },
}

SCSS

$custom: #559fef;
$custom-light: #93bbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#559fef",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 239
  },
  "hsl": {
    "h": 211.169,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.69032,
    "c": 0.13982,
    "h": 252.1
  },
  "luminance": 0.3296
}

Semantic roles & 50–950 ramp

primary

#559FEF

secondary

#EBD1B5

accent

#7706DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559FEF

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

Preview Lab → · Contrast checker → · Palette generator →