#559CDF#559CDF

#559CDF is a light, vivid cyan. Relative luminance 0.310; OKLCH L 67.5% C 0.123 H 248.9°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#559CDF
RGB	rgb(85, 156, 223)
HSL	hsl(209, 68%, 60%)
HSV	hsv(209, 62%, 87%)
CMYK	cmyk(61.9%, 30%, 0%, 12.5%)
CIE-LAB	lab(62.54, -2.11, -40.64)
CIE-LCH	lch(62.54, 40.70, 267.03°)
OKLab	oklab(67.54% -0.0443 -0.1147)
OKLCH	oklch(67.54% 0.123 248.9)
XYZ	xyz(28.9492, 31.0332, 74.2621)
Luminance	0.3104 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CDF #DF9855

analogous

#55DFDD #559CDF #5557DF

triadic

#559CDF #DF559C #9CDF55

tetradic

#559CDF #DD55DF #DF9855 #57DF55

square

#559CDF #DD55DF #DF9855 #57DF55

split-complementary

#559CDF #DF5557 #DFDD55

monochromatic

#1D5F9C #277ED0 #559CDF #89BAE9 #BCD8F2

Accessibility & contrast

On white

2.91

#559CDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#559CDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CDF

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CDF	#FFFFFF	#000000	##000000
##559CDF	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9FE2

Deuteranopia (green-blind)

#6C91DE

Tritanopia (blue-blind)

#00ACB4

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #559cdf;
/* rgb */ color: rgb(85, 156, 223);
/* oklch */ color: oklch(67.5% 0.123 248.9);

Tailwind

colors: {
  custom: {
    50: '#91b8e9',
    500: '#559cdf',
    950: '#000000',
  },
}

SCSS

$custom: #559cdf;
$custom-light: #91b8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#559cdf",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 223
  },
  "hsl": {
    "h": 209.13,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.67539,
    "c": 0.12295,
    "h": 248.9
  },
  "luminance": 0.31036
}

Semantic roles & 50–950 ramp

primary

#559CDF

secondary

#E2C7AE

accent

#7015D0

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559CDF

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

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