#559DD1#559DD1

#559DD1 is a light, moderate cyan. Relative luminance 0.306; OKLCH L 67.1% C 0.106 H 242.0°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#559DD1
RGB	rgb(85, 157, 209)
HSL	hsl(205, 57%, 58%)
HSV	hsv(205, 59%, 82%)
CMYK	cmyk(59.3%, 24.9%, 0%, 18%)
CIE-LAB	lab(62.21, -7.17, -33.38)
CIE-LCH	lch(62.21, 34.14, 257.87°)
OKLab	oklab(67.08% -0.0497 -0.0936)
OKLCH	oklch(67.08% 0.106 242)
XYZ	xyz(27.3076, 30.6461, 64.7854)
Luminance	0.3065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DD1 #D18955

analogous

#55D1C7 #559DD1 #555FD1

triadic

#559DD1 #D1559D #9DD155

tetradic

#559DD1 #C755D1 #D18955 #5FD155

square

#559DD1 #C755D1 #D18955 #5FD155

split-complementary

#559DD1 #D1555F #D1C755

monochromatic

#255E87 #327FB7 #559DD1 #85B9DE #B5D5EB

Accessibility & contrast

On white

2.95

#559DD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.13

#559DD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DD1

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DD1	#FFFFFF	#000000	##000000
##559DD1	1.00	2.95	7.13	7.13
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.13	21.00	1.00	1.00
##000000	7.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869DD3

Deuteranopia (green-blind)

#7591D0

Tritanopia (blue-blind)

#00AAAF

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559dd1;
/* rgb */ color: rgb(85, 157, 209);
/* oklch */ color: oklch(67.1% 0.106 242.0);

Tailwind

colors: {
  custom: {
    50: '#8fb9df',
    500: '#559dd1',
    950: '#000000',
  },
}

SCSS

$custom: #559dd1;
$custom-light: #8fb9df;
$custom-dark: #000000;

JSON

{
  "hex": "#559dd1",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 209
  },
  "hsl": {
    "h": 205.161,
    "s": 57.407,
    "l": 57.647
  },
  "oklch": {
    "l": 0.67078,
    "c": 0.10603,
    "h": 242
  },
  "luminance": 0.30649
}

Semantic roles & 50–950 ramp

primary

#559DD1

secondary

#DABDA8

accent

#8847E1

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559DD1

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

Preview Lab → · Contrast checker → · Palette generator →