#55ADD9#55ADD9

#55ADD9 is a light, moderate cyan. Relative luminance 0.368; OKLCH L 71.1% C 0.106 H 232.7°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#55ADD9
RGB	rgb(85, 173, 217)
HSL	hsl(200, 63%, 59%)
HSV	hsv(200, 61%, 85%)
CMYK	cmyk(60.8%, 20.3%, 0%, 14.9%)
CIE-LAB	lab(67.15, -13.44, -30.16)
CIE-LCH	lch(67.15, 33.01, 245.98°)
OKLab	oklab(71.1% -0.0642 -0.0843)
OKLCH	oklch(71.1% 0.106 232.7)
XYZ	xyz(31.2094, 36.8251, 71.0954)
Luminance	0.3683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55ADD9 #D98155

analogous

#55D9C3 #55ADD9 #556BD9

triadic

#55ADD9 #D955AD #ADD955

tetradic

#55ADD9 #C355D9 #D98155 #6BD955

square

#55ADD9 #C355D9 #D98155 #6BD955

split-complementary

#55ADD9 #D9556B #D9C355

monochromatic

#216D93 #2C92C5 #55ADD9 #87C5E4 #B9DDEF

Accessibility & contrast

On white

2.51

#55ADD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#55ADD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55ADD9

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55ADD9	#FFFFFF	#000000	##000000
##55ADD9	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97ABDB

Deuteranopia (green-blind)

#859DD8

Tritanopia (blue-blind)

#00B9BC

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #55add9;
/* rgb */ color: rgb(85, 173, 217);
/* oklch */ color: oklch(71.1% 0.106 232.7);

Tailwind

colors: {
  custom: {
    50: '#90c5e5',
    500: '#55add9',
    950: '#000000',
  },
}

SCSS

$custom: #55add9;
$custom-light: #90c5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#55add9",
  "rgb": {
    "r": 85,
    "g": 173,
    "b": 217
  },
  "hsl": {
    "h": 200,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.71103,
    "c": 0.10597,
    "h": 232.7
  },
  "luminance": 0.36828
}

Semantic roles & 50–950 ramp

primary

#55ADD9

secondary

#DFBCAB

accent

#7841E6

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1215

muted

#7E8184

Preview Lab

Preview with #55ADD9

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

Preview Lab → · Contrast checker → · Palette generator →