#55BBF0#55BBF0

#55BBF0 is a light, vivid cyan. Relative luminance 0.438; OKLCH L 75.3% C 0.121 H 234.3°. Best body text is #000000 at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#55BBF0
RGB	rgb(85, 187, 240)
HSL	hsl(201, 84%, 64%)
HSV	hsv(201, 65%, 94%)
CMYK	cmyk(64.6%, 22.1%, 0%, 5.9%)
CIE-LAB	lab(72.07, -13.73, -35.09)
CIE-LCH	lch(72.07, 37.68, 248.63°)
OKLab	oklab(75.32% -0.0707 -0.0984)
OKLCH	oklch(75.32% 0.121 234.3)
XYZ	xyz(37.2387, 43.7593, 88.9051)
Luminance	0.4376 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55BBF0 #F08A55

analogous

#55F0D7 #55BBF0 #556DF0

triadic

#55BBF0 #F055BB #BBF055

tetradic

#55BBF0 #D755F0 #F08A55 #6DF055

square

#55BBF0 #D755F0 #F08A55 #6DF055

split-complementary

#55BBF0 #F0556D #F0D755

monochromatic

#1080BA #1DA5EB #55BBF0 #8DD1F5 #C5E8FA

Accessibility & contrast

On white

2.15

#55BBF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.75

#55BBF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55BBF0

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55BBF0	#FFFFFF	#000000	##000000
##55BBF0	1.00	2.15	9.75	9.75
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.75	21.00	1.00	1.00
##000000	9.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B9F3

Deuteranopia (green-blind)

#8CAAEF

Tritanopia (blue-blind)

#00C9CD

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #55bbf0;
/* rgb */ color: rgb(85, 187, 240);
/* oklch */ color: oklch(75.3% 0.121 234.3);

Tailwind

colors: {
  custom: {
    50: '#94cff5',
    500: '#55bbf0',
    950: '#000000',
  },
}

SCSS

$custom: #55bbf0;
$custom-light: #94cff5;
$custom-dark: #000000;

JSON

{
  "hex": "#55bbf0",
  "rgb": {
    "r": 85,
    "g": 187,
    "b": 240
  },
  "hsl": {
    "h": 200.516,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.75318,
    "c": 0.12118,
    "h": 234.3
  },
  "luminance": 0.43763
}

Semantic roles & 50–950 ramp

primary

#55BBF0

secondary

#ECC8B5

accent

#5005E0

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #55BBF0

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

Preview Lab → · Contrast checker → · Palette generator →