#559EFD#559EFD

#559EFD is a light, vivid cyan. Relative luminance 0.335; OKLCH L 69.6% C 0.158 H 255.9°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#559EFD
RGB	rgb(85, 158, 253)
HSL	hsl(214, 98%, 66%)
HSV	hsv(214, 66%, 99%)
CMYK	cmyk(66.4%, 37.5%, 0%, 0.8%)
CIE-LAB	lab(64.54, 6.71, -53.97)
CIE-LCH	lch(64.54, 54.38, 277.09°)
OKLab	oklab(69.58% -0.0386 -0.1535)
OKLCH	oklch(69.58% 0.158 255.9)
XYZ	xyz(33.6964, 33.4734, 97.5947)
Luminance	0.3348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559EFD #FDB455

analogous

#55F2FD #559EFD #6055FD

triadic

#559EFD #FD559E #9EFD55

tetradic

#559EFD #FD55F2 #FDB455 #55FD60

square

#559EFD #FD55F2 #FDB455 #55FD60

split-complementary

#559EFD #FD6055 #F2FD55

monochromatic

#035ED5 #197BFC #559EFD #91C1FE #CEE3FE

Accessibility & contrast

On white

2.73

#559EFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#559EFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559EFD

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559EFD	#FFFFFF	#000000	##000000
##559EFD	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#73A5FF

Deuteranopia (green-blind)

#5B95FB

Tritanopia (blue-blind)

#00B4C1

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #559efd;
/* rgb */ color: rgb(85, 158, 253);
/* oklch */ color: oklch(69.6% 0.158 255.9);

Tailwind

colors: {
  custom: {
    50: '#95bafe',
    500: '#559efd',
    950: '#000000',
  },
}

SCSS

$custom: #559efd;
$custom-light: #95bafe;
$custom-dark: #000000;

JSON

{
  "hex": "#559efd",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 253
  },
  "hsl": {
    "h": 213.929,
    "s": 97.674,
    "l": 66.275
  },
  "oklch": {
    "l": 0.69584,
    "c": 0.15831,
    "h": 255.9
  },
  "luminance": 0.33477
}

Semantic roles & 50–950 ramp

primary

#559EFD

secondary

#F2DABB

accent

#8200E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1118

muted

#7E8086

Preview Lab

Preview with #559EFD

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

Preview Lab → · Contrast checker → · Palette generator →