#559CD1#559CD1

#559CD1 is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.9% C 0.107 H 242.9°. Best body text is #000000 at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#559CD1
RGB	rgb(85, 156, 209)
HSL	hsl(206, 57%, 58%)
HSV	hsv(206, 59%, 82%)
CMYK	cmyk(59.3%, 25.4%, 0%, 18%)
CIE-LAB	lab(61.92, -6.62, -33.82)
CIE-LCH	lch(61.92, 34.46, 258.93°)
OKLab	oklab(66.85% -0.0486 -0.0949)
OKLCH	oklch(66.85% 0.107 242.9)
XYZ	xyz(27.1391, 30.3092, 64.7293)
Luminance	0.3031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CD1 #D18A55

analogous

#55D1C8 #559CD1 #555ED1

triadic

#559CD1 #D1559C #9CD155

tetradic

#559CD1 #C855D1 #D18A55 #5ED155

square

#559CD1 #C855D1 #D18A55 #5ED155

split-complementary

#559CD1 #D1555E #D1C855

monochromatic

#255D87 #327EB7 #559CD1 #85B8DE #B5D4EB

Accessibility & contrast

On white

2.97

#559CD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.06

#559CD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CD1

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CD1	#FFFFFF	#000000	##000000
##559CD1	1.00	2.97	7.06	7.06
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.06	21.00	1.00	1.00
##000000	7.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859DD3

Deuteranopia (green-blind)

#7490D0

Tritanopia (blue-blind)

#00A9AE

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559cd1;
/* rgb */ color: rgb(85, 156, 209);
/* oklch */ color: oklch(66.9% 0.107 242.9);

Tailwind

colors: {
  custom: {
    50: '#8fb9df',
    500: '#559cd1',
    950: '#000000',
  },
}

SCSS

$custom: #559cd1;
$custom-light: #8fb9df;
$custom-dark: #000000;

JSON

{
  "hex": "#559cd1",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 209
  },
  "hsl": {
    "h": 205.645,
    "s": 57.407,
    "l": 57.647
  },
  "oklch": {
    "l": 0.66851,
    "c": 0.10667,
    "h": 242.9
  },
  "luminance": 0.30312
}

Semantic roles & 50–950 ramp

primary

#559CD1

secondary

#DABDA8

accent

#8947E1

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559CD1

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

Preview Lab → · Contrast checker → · Palette generator →