#559EEF#559EEF

#559EEF is a light, vivid cyan. Relative luminance 0.326; OKLCH L 68.8% C 0.141 H 252.6°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#559EEF
RGB	rgb(85, 158, 239)
HSL	hsl(212, 83%, 64%)
HSV	hsv(212, 64%, 94%)
CMYK	cmyk(64.4%, 33.9%, 0%, 6.3%)
CIE-LAB	lab(63.85, 2.02, -47.41)
CIE-LCH	lch(63.85, 47.45, 272.44°)
OKLab	oklab(68.81% -0.042 -0.1343)
OKLCH	oklch(68.81% 0.141 252.6)
XYZ	xyz(31.5475, 32.6139, 86.2772)
Luminance	0.3262 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559EEF #EFA655

analogous

#55EBEF #559EEF #5955EF

triadic

#559EEF #EF559E #9EEF55

tetradic

#559EEF #EF55EB #EFA655 #55EF59

square

#559EEF #EF55EB #EFA655 #55EF59

split-complementary

#559EEF #EF5955 #EBEF55

monochromatic

#1160B8 #1D7EEA #559EEF #8DBEF4 #C5DEFA

Accessibility & contrast

On white

2.79

#559EEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#559EEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559EEF

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559EEF	#FFFFFF	#000000	##000000
##559EEF	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA3F2

Deuteranopia (green-blind)

#6594ED

Tritanopia (blue-blind)

#00B1BB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #559eef;
/* rgb */ color: rgb(85, 158, 239);
/* oklch */ color: oklch(68.8% 0.141 252.6);

Tailwind

colors: {
  custom: {
    50: '#93baf4',
    500: '#559eef',
    950: '#000000',
  },
}

SCSS

$custom: #559eef;
$custom-light: #93baf4;
$custom-dark: #000000;

JSON

{
  "hex": "#559eef",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 239
  },
  "hsl": {
    "h": 211.558,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.68814,
    "c": 0.14076,
    "h": 252.6
  },
  "luminance": 0.32617
}

Semantic roles & 50–950 ramp

primary

#559EEF

secondary

#EBD1B5

accent

#7806DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559EEF

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

Preview Lab → · Contrast checker → · Palette generator →