#55BDE9#55BDE9

#55BDE9 is a light, moderate cyan. Relative luminance 0.442; OKLCH L 75.5% C 0.114 H 228.9°. Best body text is #000000 at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#55BDE9
RGB	rgb(85, 189, 233)
HSL	hsl(198, 77%, 62%)
HSV	hsv(198, 64%, 91%)
CMYK	cmyk(63.5%, 18.9%, 0%, 8.6%)
CIE-LAB	lab(72.37, -16.97, -30.84)
CIE-LCH	lch(72.37, 35.20, 241.17°)
OKLab	oklab(75.47% -0.0751 -0.0862)
OKLCH	oklch(75.47% 0.114 228.9)
XYZ	xyz(36.6461, 44.2059, 83.6763)
Luminance	0.4421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55BDE9 #E98155

analogous

#55E9CB #55BDE9 #5573E9

triadic

#55BDE9 #E955BD #BDE955

tetradic

#55BDE9 #CB55E9 #E98155 #73E955

square

#55BDE9 #CB55E9 #E98155 #73E955

split-complementary

#55BDE9 #E95573 #E9CB55

monochromatic

#1680AD #1FA8E2 #55BDE9 #8BD2F0 #C1E7F7

Accessibility & contrast

On white

2.13

#55BDE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.84

#55BDE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55BDE9

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55BDE9	#FFFFFF	#000000	##000000
##55BDE9	1.00	2.13	9.84	9.84
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.84	21.00	1.00	1.00
##000000	9.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BAEB

Deuteranopia (green-blind)

#92ABE8

Tritanopia (blue-blind)

#00C9CB

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #55bde9;
/* rgb */ color: rgb(85, 189, 233);
/* oklch */ color: oklch(75.5% 0.114 228.9);

Tailwind

colors: {
  custom: {
    50: '#93d1f0',
    500: '#55bde9',
    950: '#000000',
  },
}

SCSS

$custom: #55bde9;
$custom-light: #93d1f0;
$custom-dark: #000000;

JSON

{
  "hex": "#55bde9",
  "rgb": {
    "r": 85,
    "g": 189,
    "b": 233
  },
  "hsl": {
    "h": 197.838,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.75466,
    "c": 0.11437,
    "h": 228.9
  },
  "luminance": 0.4421
}

Semantic roles & 50–950 ramp

primary

#55BDE9

secondary

#E8C2B2

accent

#490CD9

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #55BDE9

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

Preview Lab → · Contrast checker → · Palette generator →