#559DCC#559DCC

#559DCC is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.8% C 0.101 H 239.3°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#559DCC
RGB	rgb(85, 157, 204)
HSL	hsl(204, 54%, 57%)
HSV	hsv(204, 58%, 80%)
CMYK	cmyk(58.3%, 23%, 0%, 20%)
CIE-LAB	lab(62.00, -8.75, -30.91)
CIE-LCH	lch(62.00, 32.12, 254.19°)
OKLab	oklab(66.85% -0.0514 -0.0865)
OKLCH	oklch(66.85% 0.101 239.3)
XYZ	xyz(26.6983, 30.4024, 61.5763)
Luminance	0.3040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DCC #CC8455

analogous

#55CCBF #559DCC #5562CC

triadic

#559DCC #CC559D #9DCC55

tetradic

#559DCC #BF55CC #CC8455 #62CC55

square

#559DCC #BF55CC #CC8455 #62CC55

split-complementary

#559DCC #CC5562 #CCBF55

monochromatic

#265D80 #357FAF #559DCC #84B8DA #B3D3E8

Accessibility & contrast

On white

2.97

#559DCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#559DCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DCC

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DCC	#FFFFFF	#000000	##000000
##559DCC	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889DCE

Deuteranopia (green-blind)

#7790CB

Tritanopia (blue-blind)

#00A9AD

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559dcc;
/* rgb */ color: rgb(85, 157, 204);
/* oklch */ color: oklch(66.8% 0.101 239.3);

Tailwind

colors: {
  custom: {
    50: '#8eb9db',
    500: '#559dcc',
    950: '#000000',
  },
}

SCSS

$custom: #559dcc;
$custom-light: #8eb9db;
$custom-dark: #000000;

JSON

{
  "hex": "#559dcc",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 204
  },
  "hsl": {
    "h": 203.697,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.66845,
    "c": 0.10065,
    "h": 239.3
  },
  "luminance": 0.30405
}

Semantic roles & 50–950 ramp

primary

#559DCC

secondary

#D7B9A6

accent

#844BDD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559DCC

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

Preview Lab → · Contrast checker → · Palette generator →