#559AEB#559AEB

#559AEB is a light, vivid cyan. Relative luminance 0.310; OKLCH L 67.7% C 0.140 H 253.8°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#559AEB
RGB	rgb(85, 154, 235)
HSL	hsl(212, 79%, 63%)
HSV	hsv(212, 64%, 92%)
CMYK	cmyk(63.8%, 34.5%, 0%, 7.8%)
CIE-LAB	lab(62.54, 3.00, -47.27)
CIE-LCH	lch(62.54, 47.36, 273.63°)
OKLab	oklab(67.73% -0.039 -0.134)
OKLCH	oklch(67.73% 0.14 253.8)
XYZ	xyz(30.2919, 31.0377, 82.9756)
Luminance	0.3104 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559AEB #EBA655

analogous

#55E5EB #559AEB #5B55EB

triadic

#559AEB #EB559A #9AEB55

tetradic

#559AEB #EB55E5 #EBA655 #55EB5B

square

#559AEB #EB55E5 #EBA655 #55EB5B

split-complementary

#559AEB #EB5B55 #E5EB55

monochromatic

#155DB1 #1E79E5 #559AEB #8CBBF1 #C3DBF8

Accessibility & contrast

On white

2.91

#559AEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#559AEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559AEB

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559AEB	#FFFFFF	#000000	##000000
##559AEB	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#779FEE

Deuteranopia (green-blind)

#6291E9

Tritanopia (blue-blind)

#00ADB7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #559aeb;
/* rgb */ color: rgb(85, 154, 235);
/* oklch */ color: oklch(67.7% 0.140 253.8);

Tailwind

colors: {
  custom: {
    50: '#92b7f2',
    500: '#559aeb',
    950: '#000000',
  },
}

SCSS

$custom: #559aeb;
$custom-light: #92b7f2;
$custom-dark: #000000;

JSON

{
  "hex": "#559aeb",
  "rgb": {
    "r": 85,
    "g": 154,
    "b": 235
  },
  "hsl": {
    "h": 212.4,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.67727,
    "c": 0.13956,
    "h": 253.8
  },
  "luminance": 0.31041
}

Semantic roles & 50–950 ramp

primary

#559AEB

secondary

#E9D0B3

accent

#7B0ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559AEB

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

Preview Lab → · Contrast checker → · Palette generator →