#55BBE9#55BBE9

#55BBE9 is a light, moderate cyan. Relative luminance 0.434; OKLCH L 75.0% C 0.115 H 230.5°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#55BBE9
RGB	rgb(85, 187, 233)
HSL	hsl(199, 77%, 62%)
HSV	hsv(199, 64%, 91%)
CMYK	cmyk(63.5%, 19.7%, 0%, 8.6%)
CIE-LAB	lab(71.79, -15.92, -31.72)
CIE-LCH	lch(71.79, 35.49, 243.35°)
OKLab	oklab(75.01% -0.0731 -0.0887)
OKLCH	oklch(75.01% 0.115 230.5)
XYZ	xyz(36.2188, 43.3514, 83.5339)
Luminance	0.4335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55BBE9 #E98355

analogous

#55E9CD #55BBE9 #5571E9

triadic

#55BBE9 #E955BB #BBE955

tetradic

#55BBE9 #CD55E9 #E98355 #71E955

square

#55BBE9 #CD55E9 #E98355 #71E955

split-complementary

#55BBE9 #E95571 #E9CD55

monochromatic

#167EAD #1FA5E2 #55BBE9 #8BD1F0 #C1E6F7

Accessibility & contrast

On white

2.17

#55BBE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#55BBE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55BBE9

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55BBE9	#FFFFFF	#000000	##000000
##55BBE9	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B8EB

Deuteranopia (green-blind)

#8FA9E8

Tritanopia (blue-blind)

#00C8CA

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #55bbe9;
/* rgb */ color: rgb(85, 187, 233);
/* oklch */ color: oklch(75.0% 0.115 230.5);

Tailwind

colors: {
  custom: {
    50: '#93cff0',
    500: '#55bbe9',
    950: '#000000',
  },
}

SCSS

$custom: #55bbe9;
$custom-light: #93cff0;
$custom-dark: #000000;

JSON

{
  "hex": "#55bbe9",
  "rgb": {
    "r": 85,
    "g": 187,
    "b": 233
  },
  "hsl": {
    "h": 198.649,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.75009,
    "c": 0.11499,
    "h": 230.5
  },
  "luminance": 0.43355
}

Semantic roles & 50–950 ramp

primary

#55BBE9

secondary

#E8C3B2

accent

#4C0CD9

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55BBE9

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

Preview Lab → · Contrast checker → · Palette generator →