#559BFB#559BFB

#559BFB is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.8% C 0.159 H 256.8°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#559BFB
RGB	rgb(85, 155, 251)
HSL	hsl(215, 95%, 66%)
HSV	hsv(215, 66%, 98%)
CMYK	cmyk(66.1%, 38.2%, 0%, 1.6%)
CIE-LAB	lab(63.62, 7.79, -54.34)
CIE-LCH	lch(63.62, 54.90, 278.15°)
OKLab	oklab(68.83% -0.0362 -0.1547)
OKLCH	oklch(68.83% 0.159 256.8)
XYZ	xyz(32.8739, 32.3357, 95.7570)
Luminance	0.3234 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BFB #FBB555

analogous

#55EEFB #559BFB #6255FB

triadic

#559BFB #FB559B #9BFB55

tetradic

#559BFB #FB55EE #FBB555 #55FB62

square

#559BFB #FB55EE #FBB555 #55FB62

split-complementary

#559BFB #FB6255 #EEFB55

monochromatic

#055BD1 #1978FA #559BFB #91BEFC #CDE1FE

Accessibility & contrast

On white

2.81

#559BFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.47

#559BFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BFB

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BFB	#FFFFFF	#000000	##000000
##559BFB	1.00	2.81	7.47	7.47
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.47	21.00	1.00	1.00
##000000	7.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#70A3FF

Deuteranopia (green-blind)

#5793F9

Tritanopia (blue-blind)

#00B1BF

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #559bfb;
/* rgb */ color: rgb(85, 155, 251);
/* oklch */ color: oklch(68.8% 0.159 256.8);

Tailwind

colors: {
  custom: {
    50: '#95b8fd',
    500: '#559bfb',
    950: '#000000',
  },
}

SCSS

$custom: #559bfb;
$custom-light: #95b8fd;
$custom-dark: #000000;

JSON

{
  "hex": "#559bfb",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 251
  },
  "hsl": {
    "h": 214.699,
    "s": 95.402,
    "l": 65.882
  },
  "oklch": {
    "l": 0.68832,
    "c": 0.15885,
    "h": 256.8
  },
  "luminance": 0.32339
}

Semantic roles & 50–950 ramp

primary

#559BFB

secondary

#F1DABA

accent

#8500E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1118

muted

#7E8086

Preview Lab

Preview with #559BFB

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

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