#559EE0#559EE0

#559EE0 is a light, vivid cyan. Relative luminance 0.318; OKLCH L 68.0% C 0.122 H 247.9°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#559EE0
RGB	rgb(85, 158, 224)
HSL	hsl(208, 69%, 61%)
HSV	hsv(208, 62%, 88%)
CMYK	cmyk(62.1%, 29.5%, 0%, 12.2%)
CIE-LAB	lab(63.15, -2.92, -40.24)
CIE-LCH	lch(63.15, 40.34, 265.85°)
OKLab	oklab(68.04% -0.0461 -0.1135)
OKLCH	oklch(68.04% 0.123 247.9)
XYZ	xyz(29.4228, 31.7640, 75.0870)
Luminance	0.3177 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559EE0 #E09755

analogous

#55E0DC #559EE0 #5558E0

triadic

#559EE0 #E0559E #9EE055

tetradic

#559EE0 #DC55E0 #E09755 #58E055

square

#559EE0 #DC55E0 #E09755 #58E055

split-complementary

#559EE0 #E05558 #E0DC55

monochromatic

#1D619E #2680D2 #559EE0 #89BCE9 #BDD9F3

Accessibility & contrast

On white

2.86

#559EE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#559EE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559EE0

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559EE0	#FFFFFF	#000000	##000000
##559EE0	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A0E3

Deuteranopia (green-blind)

#6F93DF

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559ee0;
/* rgb */ color: rgb(85, 158, 224);
/* oklch */ color: oklch(68.0% 0.122 247.9);

Tailwind

colors: {
  custom: {
    50: '#91baea',
    500: '#559ee0',
    950: '#000000',
  },
}

SCSS

$custom: #559ee0;
$custom-light: #91baea;
$custom-dark: #000000;

JSON

{
  "hex": "#559ee0",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 224
  },
  "hsl": {
    "h": 208.489,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.68035,
    "c": 0.1225,
    "h": 247.9
  },
  "luminance": 0.31767
}

Semantic roles & 50–950 ramp

primary

#559EE0

secondary

#E3C7AE

accent

#6E14D1

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559EE0

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

Preview Lab → · Contrast checker → · Palette generator →