#559FD5#559FD5

#559FD5 is a light, moderate cyan. Relative luminance 0.315; OKLCH L 67.7% C 0.109 H 242.4°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#559FD5
RGB	rgb(85, 159, 213)
HSL	hsl(205, 60%, 58%)
HSV	hsv(205, 60%, 84%)
CMYK	cmyk(60.1%, 25.4%, 0%, 16.5%)
CIE-LAB	lab(62.95, -7.02, -34.44)
CIE-LCH	lch(62.95, 35.15, 258.48°)
OKLab	oklab(67.72% -0.0506 -0.0967)
OKLCH	oklch(67.72% 0.109 242.4)
XYZ	xyz(28.1502, 31.5290, 67.5401)
Luminance	0.3153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FD5 #D58B55

analogous

#55D5CB #559FD5 #555FD5

triadic

#559FD5 #D5559F #9FD555

tetradic

#559FD5 #CB55D5 #D58B55 #5FD555

square

#559FD5 #CB55D5 #D58B55 #5FD555

split-complementary

#559FD5 #D5555F #D5CB55

monochromatic

#23608D #2F82BE #559FD5 #86BBE1 #B7D6ED

Accessibility & contrast

On white

2.87

#559FD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#559FD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FD5

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FD5	#FFFFFF	#000000	##000000
##559FD5	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879FD7

Deuteranopia (green-blind)

#7693D4

Tritanopia (blue-blind)

#00ACB1

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559fd5;
/* rgb */ color: rgb(85, 159, 213);
/* oklch */ color: oklch(67.7% 0.109 242.4);

Tailwind

colors: {
  custom: {
    50: '#8fbbe2',
    500: '#559fd5',
    950: '#000000',
  },
}

SCSS

$custom: #559fd5;
$custom-light: #8fbbe2;
$custom-dark: #000000;

JSON

{
  "hex": "#559fd5",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 213
  },
  "hsl": {
    "h": 205.313,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.67722,
    "c": 0.10914,
    "h": 242.4
  },
  "luminance": 0.31532
}

Semantic roles & 50–950 ramp

primary

#559FD5

secondary

#DCBFA9

accent

#8744E4

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559FD5

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

Preview Lab → · Contrast checker → · Palette generator →