#559DC9#559DC9

#559DC9 is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.7% C 0.098 H 237.5°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#559DC9
RGB	rgb(85, 157, 201)
HSL	hsl(203, 52%, 56%)
HSV	hsv(203, 58%, 79%)
CMYK	cmyk(57.7%, 21.9%, 0%, 21.2%)
CIE-LAB	lab(61.88, -9.69, -29.42)
CIE-LCH	lch(61.88, 30.98, 251.77°)
OKLab	oklab(66.71% -0.0524 -0.0823)
OKLCH	oklch(66.71% 0.098 237.5)
XYZ	xyz(26.3420, 30.2599, 59.6996)
Luminance	0.3026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DC9 #C98155

analogous

#55C9BB #559DC9 #5563C9

triadic

#559DC9 #C9559D #9DC955

tetradic

#559DC9 #BB55C9 #C98155 #63C955

square

#559DC9 #BB55C9 #C98155 #63C955

split-complementary

#559DC9 #C95563 #C9BB55

monochromatic

#275C7C #367EAB #559DC9 #83B8D8 #B2D3E7

Accessibility & contrast

On white

2.98

#559DC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#559DC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DC9

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DC9	#FFFFFF	#000000	##000000
##559DC9	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899CCB

Deuteranopia (green-blind)

#7990C8

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559dc9;
/* rgb */ color: rgb(85, 157, 201);
/* oklch */ color: oklch(66.7% 0.098 237.5);

Tailwind

colors: {
  custom: {
    50: '#8eb9d9',
    500: '#559dc9',
    950: '#000000',
  },
}

SCSS

$custom: #559dc9;
$custom-light: #8eb9d9;
$custom-dark: #000000;

JSON

{
  "hex": "#559dc9",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 201
  },
  "hsl": {
    "h": 202.759,
    "s": 51.786,
    "l": 56.078
  },
  "oklch": {
    "l": 0.66708,
    "c": 0.09755,
    "h": 237.5
  },
  "luminance": 0.30262
}

Semantic roles & 50–950 ramp

primary

#559DC9

secondary

#D5B7A5

accent

#834DDB

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #559DC9

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

Preview Lab → · Contrast checker → · Palette generator →