#559BE3#559BE3

#559BE3 is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.5% C 0.129 H 250.9°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#559BE3
RGB	rgb(85, 155, 227)
HSL	hsl(210, 72%, 61%)
HSV	hsv(210, 63%, 89%)
CMYK	cmyk(62.6%, 31.7%, 0%, 11%)
CIE-LAB	lab(62.44, -0.22, -43.01)
CIE-LCH	lch(62.44, 43.01, 269.70°)
OKLab	oklab(67.52% -0.0422 -0.1216)
OKLCH	oklch(67.52% 0.129 250.9)
XYZ	xyz(29.3277, 30.9172, 77.0802)
Luminance	0.3092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BE3 #E39D55

analogous

#55E2E3 #559BE3 #5655E3

triadic

#559BE3 #E3559B #9BE355

tetradic

#559BE3 #E355E2 #E39D55 #55E356

square

#559BE3 #E355E2 #E39D55 #55E356

split-complementary

#559BE3 #E35655 #E2E355

monochromatic

#1B5EA3 #237CD7 #559BE3 #8ABAEC #BED9F4

Accessibility & contrast

On white

2.92

#559BE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#559BE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BE3

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BE3	#FFFFFF	#000000	##000000
##559BE3	1.00	2.92	7.18	7.18
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9FE6

Deuteranopia (green-blind)

#6991E2

Tritanopia (blue-blind)

#00ACB5

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #559be3;
/* rgb */ color: rgb(85, 155, 227);
/* oklch */ color: oklch(67.5% 0.129 250.9);

Tailwind

colors: {
  custom: {
    50: '#91b8ec',
    500: '#559be3',
    950: '#000000',
  },
}

SCSS

$custom: #559be3;
$custom-light: #91b8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#559be3",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 227
  },
  "hsl": {
    "h": 210.423,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.67522,
    "c": 0.12868,
    "h": 250.9
  },
  "luminance": 0.3092
}

Semantic roles & 50–950 ramp

primary

#559BE3

secondary

#E5CAAF

accent

#7412D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559BE3

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

Preview Lab → · Contrast checker → · Palette generator →