#559DEE#559DEE

#559DEE is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.5% C 0.140 H 252.9°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#559DEE
RGB	rgb(85, 157, 238)
HSL	hsl(212, 82%, 63%)
HSV	hsv(212, 64%, 93%)
CMYK	cmyk(64.3%, 34%, 0%, 6.7%)
CIE-LAB	lab(63.52, 2.26, -47.37)
CIE-LCH	lch(63.52, 47.43, 272.74°)
OKLab	oklab(68.54% -0.0412 -0.1343)
OKLCH	oklch(68.54% 0.14 252.9)
XYZ	xyz(31.2303, 32.2152, 85.4447)
Luminance	0.3222 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DEE #EEA655

analogous

#55E9EE #559DEE #5955EE

triadic

#559DEE #EE559D #9DEE55

tetradic

#559DEE #EE55E9 #EEA655 #55EE59

square

#559DEE #EE55E9 #EEA655 #55EE59

split-complementary

#559DEE #EE5955 #E9EE55

monochromatic

#125FB6 #1D7DE8 #559DEE #8DBDF4 #C4DDF9

Accessibility & contrast

On white

2.82

#559DEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#559DEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DEE

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DEE	#FFFFFF	#000000	##000000
##559DEE	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA2F1

Deuteranopia (green-blind)

#6493EC

Tritanopia (blue-blind)

#00B0BA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #559dee;
/* rgb */ color: rgb(85, 157, 238);
/* oklch */ color: oklch(68.5% 0.140 252.9);

Tailwind

colors: {
  custom: {
    50: '#93b9f4',
    500: '#559dee',
    950: '#000000',
  },
}

SCSS

$custom: #559dee;
$custom-light: #93b9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#559dee",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 238
  },
  "hsl": {
    "h": 211.765,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.68542,
    "c": 0.14045,
    "h": 252.9
  },
  "luminance": 0.32218
}

Semantic roles & 50–950 ramp

primary

#559DEE

secondary

#EBD1B4

accent

#7907DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559DEE

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

Preview Lab → · Contrast checker → · Palette generator →