#559CE3#559CE3

#559CE3 is a light, vivid cyan. Relative luminance 0.313; OKLCH L 67.7% C 0.128 H 250.2°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#559CE3
RGB	rgb(85, 156, 227)
HSL	hsl(210, 72%, 61%)
HSV	hsv(210, 63%, 89%)
CMYK	cmyk(62.6%, 31.3%, 0%, 11%)
CIE-LAB	lab(62.72, -0.80, -42.57)
CIE-LCH	lch(62.72, 42.58, 268.93°)
OKLab	oklab(67.74% -0.0432 -0.1203)
OKLCH	oklch(67.74% 0.128 250.2)
XYZ	xyz(29.4948, 31.2514, 77.1359)
Luminance	0.3125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CE3 #E39C55

analogous

#55E3E3 #559CE3 #5555E3

triadic

#559CE3 #E3559C #9CE355

tetradic

#559CE3 #E355E3 #E39C55 #55E355

square

#559CE3 #E355E3 #E39C55 #55E355

split-complementary

#559CE3 #E35555 #E3E355

monochromatic

#1B5FA3 #237DD7 #559CE3 #8ABBEC #BED9F4

Accessibility & contrast

On white

2.90

#559CE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#559CE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CE3

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CE3	#FFFFFF	#000000	##000000
##559CE3	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9FE6

Deuteranopia (green-blind)

#6A92E2

Tritanopia (blue-blind)

#00ADB5

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559ce3;
/* rgb */ color: rgb(85, 156, 227);
/* oklch */ color: oklch(67.7% 0.128 250.2);

Tailwind

colors: {
  custom: {
    50: '#91b8ec',
    500: '#559ce3',
    950: '#000000',
  },
}

SCSS

$custom: #559ce3;
$custom-light: #91b8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#559ce3",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 227
  },
  "hsl": {
    "h": 210,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.67744,
    "c": 0.1278,
    "h": 250.2
  },
  "luminance": 0.31254
}

Semantic roles & 50–950 ramp

primary

#559CE3

secondary

#E5CAAF

accent

#7312D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559CE3

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

Preview Lab → · Contrast checker → · Palette generator →