#559FDE#559FDE

#559FDE is a light, moderate cyan. Relative luminance 0.320; OKLCH L 68.2% C 0.119 H 246.4°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#559FDE
RGB	rgb(85, 159, 222)
HSL	hsl(208, 67%, 60%)
HSV	hsv(208, 62%, 87%)
CMYK	cmyk(61.7%, 28.4%, 0%, 12.9%)
CIE-LAB	lab(63.34, -4.13, -38.83)
CIE-LCH	lch(63.34, 39.05, 263.92°)
OKLab	oklab(68.16% -0.0478 -0.1094)
OKLCH	oklch(68.16% 0.119 246.4)
XYZ	xyz(29.3244, 31.9987, 73.7241)
Luminance	0.3200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FDE #DE9455

analogous

#55DED8 #559FDE #555ADE

triadic

#559FDE #DE559F #9FDE55

tetradic

#559FDE #D855DE #DE9455 #5ADE55

square

#559FDE #D855DE #DE9455 #5ADE55

split-complementary

#559FDE #DE555A #DED855

monochromatic

#1E619B #2882CE #559FDE #88BCE8 #BCD9F2

Accessibility & contrast

On white

2.84

#559FDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#559FDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FDE

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FDE	#FFFFFF	#000000	##000000
##559FDE	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A1E1

Deuteranopia (green-blind)

#7193DD

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559fde;
/* rgb */ color: rgb(85, 159, 222);
/* oklch */ color: oklch(68.2% 0.119 246.4);

Tailwind

colors: {
  custom: {
    50: '#91bbe8',
    500: '#559fde',
    950: '#000000',
  },
}

SCSS

$custom: #559fde;
$custom-light: #91bbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#559fde",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 222
  },
  "hsl": {
    "h": 207.591,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.68159,
    "c": 0.11936,
    "h": 246.4
  },
  "luminance": 0.32001
}

Semantic roles & 50–950 ramp

primary

#559FDE

secondary

#E2C5AD

accent

#6B16CF

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559FDE

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

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