#559DE5#559DE5

#559DE5 is a light, vivid cyan. Relative luminance 0.317; OKLCH L 68.1% C 0.129 H 250.3°. Best body text is #000000 at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#559DE5
RGB	rgb(85, 157, 229)
HSL	hsl(210, 73%, 62%)
HSV	hsv(210, 63%, 90%)
CMYK	cmyk(62.9%, 31.4%, 0%, 10.2%)
CIE-LAB	lab(63.09, -0.71, -43.08)
CIE-LCH	lch(63.09, 43.09, 269.05°)
OKLab	oklab(68.07% -0.0437 -0.1218)
OKLCH	oklch(68.07% 0.129 250.3)
XYZ	xyz(29.9409, 31.6995, 78.6543)
Luminance	0.3170 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DE5 #E59D55

analogous

#55E5E5 #559DE5 #5555E5

triadic

#559DE5 #E5559D #9DE555

tetradic

#559DE5 #E555E5 #E59D55 #55E555

square

#559DE5 #E555E5 #E59D55 #55E555

split-complementary

#559DE5 #E55555 #E5E555

monochromatic

#1960A6 #227EDB #559DE5 #8ABCED #BFDAF5

Accessibility & contrast

On white

2.86

#559DE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.34

#559DE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DE5

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DE5	#FFFFFF	#000000	##000000
##559DE5	1.00	2.86	7.34	7.34
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.34	21.00	1.00	1.00
##000000	7.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA0E8

Deuteranopia (green-blind)

#6A92E4

Tritanopia (blue-blind)

#00AEB7

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559de5;
/* rgb */ color: rgb(85, 157, 229);
/* oklch */ color: oklch(68.1% 0.129 250.3);

Tailwind

colors: {
  custom: {
    50: '#91b9ed',
    500: '#559de5',
    950: '#000000',
  },
}

SCSS

$custom: #559de5;
$custom-light: #91b9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#559de5",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 229
  },
  "hsl": {
    "h": 210,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.68068,
    "c": 0.12935,
    "h": 250.3
  },
  "luminance": 0.31702
}

Semantic roles & 50–950 ramp

primary

#559DE5

secondary

#E6CBB0

accent

#7310D6

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559DE5

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

Preview Lab → · Contrast checker → · Palette generator →