#559FDD#559FDD

#559FDD is a light, moderate cyan. Relative luminance 0.319; OKLCH L 68.1% C 0.118 H 246.0°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#559FDD
RGB	rgb(85, 159, 221)
HSL	hsl(207, 67%, 60%)
HSV	hsv(207, 62%, 87%)
CMYK	cmyk(61.5%, 28.1%, 0%, 13.3%)
CIE-LAB	lab(63.30, -4.46, -38.34)
CIE-LCH	lch(63.30, 38.60, 263.37°)
OKLab	oklab(68.11% -0.0481 -0.108)
OKLCH	oklch(68.11% 0.118 246)
XYZ	xyz(29.1908, 31.9452, 73.0203)
Luminance	0.3195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FDD #DD9355

analogous

#55DDD7 #559FDD #555BDD

triadic

#559FDD #DD559F #9FDD55

tetradic

#559FDD #D755DD #DD9355 #5BDD55

square

#559FDD #D755DD #DD9355 #5BDD55

split-complementary

#559FDD #DD555B #DDD755

monochromatic

#1F6199 #2982CC #559FDD #88BCE7 #BBD9F1

Accessibility & contrast

On white

2.84

#559FDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#559FDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FDD

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FDD	#FFFFFF	#000000	##000000
##559FDD	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A1E0

Deuteranopia (green-blind)

#7293DC

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559fdd;
/* rgb */ color: rgb(85, 159, 221);
/* oklch */ color: oklch(68.1% 0.118 246.0);

Tailwind

colors: {
  custom: {
    50: '#90bbe8',
    500: '#559fdd',
    950: '#000000',
  },
}

SCSS

$custom: #559fdd;
$custom-light: #90bbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#559fdd",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 221
  },
  "hsl": {
    "h": 207.353,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.68109,
    "c": 0.1182,
    "h": 246
  },
  "luminance": 0.31948
}

Semantic roles & 50–950 ramp

primary

#559FDD

secondary

#E1C5AD

accent

#8C3EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559FDD

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

Preview Lab → · Contrast checker → · Palette generator →