#55ADD4#55ADD4

#55ADD4 is a light, moderate cyan. Relative luminance 0.366; OKLCH L 70.9% C 0.102 H 229.5°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#55ADD4
RGB	rgb(85, 173, 212)
HSL	hsl(198, 60%, 58%)
HSV	hsv(198, 60%, 83%)
CMYK	cmyk(59.9%, 18.4%, 0%, 16.9%)
CIE-LAB	lab(66.95, -14.98, -27.70)
CIE-LCH	lch(66.95, 31.49, 241.59°)
OKLab	oklab(70.88% -0.066 -0.0773)
OKLCH	oklch(70.88% 0.102 229.5)
XYZ	xyz(30.5689, 36.5689, 67.7221)
Luminance	0.3657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55ADD4 #D47C55

analogous

#55D4BB #55ADD4 #556DD4

triadic

#55ADD4 #D455AD #ADD455

tetradic

#55ADD4 #BB55D4 #D47C55 #6DD455

square

#55ADD4 #BB55D4 #D47C55 #6DD455

split-complementary

#55ADD4 #D4556D #D4BB55

monochromatic

#236B8B #3091BC #55ADD4 #86C5E0 #B7DCED

Accessibility & contrast

On white

2.53

#55ADD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#55ADD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55ADD4

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55ADD4	#FFFFFF	#000000	##000000
##55ADD4	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99AAD6

Deuteranopia (green-blind)

#879DD3

Tritanopia (blue-blind)

#00B8BA

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #55add4;
/* rgb */ color: rgb(85, 173, 212);
/* oklch */ color: oklch(70.9% 0.102 229.5);

Tailwind

colors: {
  custom: {
    50: '#90c5e1',
    500: '#55add4',
    950: '#000000',
  },
}

SCSS

$custom: #55add4;
$custom-light: #90c5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#55add4",
  "rgb": {
    "r": 85,
    "g": 173,
    "b": 212
  },
  "hsl": {
    "h": 198.425,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.70885,
    "c": 0.10162,
    "h": 229.5
  },
  "luminance": 0.36572
}

Semantic roles & 50–950 ramp

primary

#55ADD4

secondary

#DCB9A9

accent

#7545E3

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #55ADD4

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

Preview Lab → · Contrast checker → · Palette generator →