#559FEA#559FEA

#559FEA is a light, vivid cyan. Relative luminance 0.327; OKLCH L 68.8% C 0.134 H 250.6°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#559FEA
RGB	rgb(85, 159, 234)
HSL	hsl(210, 78%, 63%)
HSV	hsv(210, 64%, 92%)
CMYK	cmyk(63.7%, 32.1%, 0%, 8.2%)
CIE-LAB	lab(63.89, -0.21, -44.59)
CIE-LCH	lch(63.89, 44.59, 269.73°)
OKLab	oklab(68.77% -0.0443 -0.1261)
OKLCH	oklch(68.77% 0.134 250.6)
XYZ	xyz(30.9903, 32.6650, 82.4977)
Luminance	0.3267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FEA #EAA055

analogous

#55EAEA #559FEA #5555EA

triadic

#559FEA #EA559F #9FEA55

tetradic

#559FEA #EA55EA #EAA055 #55EA55

square

#559FEA #EA55EA #EAA055 #55EA55

split-complementary

#559FEA #EA5555 #EAEA55

monochromatic

#1662AF #1F80E3 #559FEA #8BBEF1 #C2DDF7

Accessibility & contrast

On white

2.79

#559FEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#559FEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FEA

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FEA	#FFFFFF	#000000	##000000
##559FEA	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA3ED

Deuteranopia (green-blind)

#6A94E9

Tritanopia (blue-blind)

#00B1BA

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #559fea;
/* rgb */ color: rgb(85, 159, 234);
/* oklch */ color: oklch(68.8% 0.134 250.6);

Tailwind

colors: {
  custom: {
    50: '#92bbf1',
    500: '#559fea',
    950: '#000000',
  },
}

SCSS

$custom: #559fea;
$custom-light: #92bbf1;
$custom-dark: #000000;

JSON

{
  "hex": "#559fea",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 234
  },
  "hsl": {
    "h": 210.201,
    "s": 78.01,
    "l": 62.549
  },
  "oklch": {
    "l": 0.68769,
    "c": 0.13369,
    "h": 250.6
  },
  "luminance": 0.32668
}

Semantic roles & 50–950 ramp

primary

#559FEA

secondary

#E8CEB2

accent

#730BDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559FEA

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

Preview Lab → · Contrast checker → · Palette generator →