#559FD9#559FD9

#559FD9 is a light, moderate cyan. Relative luminance 0.317; OKLCH L 67.9% C 0.114 H 244.3°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#559FD9
RGB	rgb(85, 159, 217)
HSL	hsl(206, 63%, 59%)
HSV	hsv(206, 61%, 85%)
CMYK	cmyk(60.8%, 26.7%, 0%, 14.9%)
CIE-LAB	lab(63.12, -5.74, -36.40)
CIE-LCH	lch(63.12, 36.85, 261.03°)
OKLab	oklab(67.91% -0.0493 -0.1023)
OKLCH	oklch(67.91% 0.114 244.3)
XYZ	xyz(28.6642, 31.7346, 70.2470)
Luminance	0.3174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FD9 #D98F55

analogous

#55D9D1 #559FD9 #555DD9

triadic

#559FD9 #D9559F #9FD955

tetradic

#559FD9 #D155D9 #D98F55 #5DD955

square

#559FD9 #D155D9 #D98F55 #5DD955

split-complementary

#559FD9 #D9555D #D9D155

monochromatic

#216193 #2C82C5 #559FD9 #87BBE4 #B9D7EF

Accessibility & contrast

On white

2.86

#559FD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#559FD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FD9

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FD9	#FFFFFF	#000000	##000000
##559FD9	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A0DC

Deuteranopia (green-blind)

#7493D8

Tritanopia (blue-blind)

#00ADB3

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559fd9;
/* rgb */ color: rgb(85, 159, 217);
/* oklch */ color: oklch(67.9% 0.114 244.3);

Tailwind

colors: {
  custom: {
    50: '#90bbe5',
    500: '#559fd9',
    950: '#000000',
  },
}

SCSS

$custom: #559fd9;
$custom-light: #90bbe5;
$custom-dark: #000000;

JSON

{
  "hex": "#559fd9",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 217
  },
  "hsl": {
    "h": 206.364,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67914,
    "c": 0.11361,
    "h": 244.3
  },
  "luminance": 0.31737
}

Semantic roles & 50–950 ramp

primary

#559FD9

secondary

#DFC2AB

accent

#8A41E6

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1115

muted

#7E8084

Preview Lab

Preview with #559FD9

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

Preview Lab → · Contrast checker → · Palette generator →