#559CCF#559CCF

#559CCF is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.8% C 0.104 H 241.8°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#559CCF
RGB	rgb(85, 156, 207)
HSL	hsl(205, 56%, 57%)
HSV	hsv(205, 59%, 81%)
CMYK	cmyk(58.9%, 24.6%, 0%, 18.8%)
CIE-LAB	lab(61.84, -7.25, -32.84)
CIE-LCH	lch(61.84, 33.63, 257.55°)
OKLab	oklab(66.76% -0.0493 -0.0921)
OKLCH	oklch(66.76% 0.104 241.8)
XYZ	xyz(26.8931, 30.2107, 63.4334)
Luminance	0.3021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CCF #CF8855

analogous

#55CFC5 #559CCF #555FCF

triadic

#559CCF #CF559C #9CCF55

tetradic

#559CCF #C555CF #CF8855 #5FCF55

square

#559CCF #C555CF #CF8855 #5FCF55

split-complementary

#559CCF #CF555F #CFC555

monochromatic

#255D84 #337EB4 #559CCF #85B8DC #B4D4EA

Accessibility & contrast

On white

2.98

#559CCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#559CCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CCF

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CCF	#FFFFFF	#000000	##000000
##559CCF	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859CD1

Deuteranopia (green-blind)

#7590CE

Tritanopia (blue-blind)

#00A9AD

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559ccf;
/* rgb */ color: rgb(85, 156, 207);
/* oklch */ color: oklch(66.8% 0.104 241.8);

Tailwind

colors: {
  custom: {
    50: '#8fb9de',
    500: '#559ccf',
    950: '#000000',
  },
}

SCSS

$custom: #559ccf;
$custom-light: #8fb9de;
$custom-dark: #000000;

JSON

{
  "hex": "#559ccf",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 207
  },
  "hsl": {
    "h": 205.082,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66756,
    "c": 0.10446,
    "h": 241.8
  },
  "luminance": 0.30213
}

Semantic roles & 50–950 ramp

primary

#559CCF

secondary

#D9BCA7

accent

#8849DF

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559CCF

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

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