#55AEE9#55AEE9

#55AEE9 is a light, vivid cyan. Relative luminance 0.381; OKLCH L 72.1% C 0.121 H 240.4°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#55AEE9
RGB	rgb(85, 174, 233)
HSL	hsl(204, 77%, 62%)
HSV	hsv(204, 64%, 91%)
CMYK	cmyk(63.5%, 25.3%, 0%, 8.6%)
CIE-LAB	lab(68.08, -8.94, -37.48)
CIE-LCH	lch(68.08, 38.53, 256.59°)
OKLab	oklab(72.06% -0.0598 -0.1054)
OKLCH	oklch(72.06% 0.121 240.4)
XYZ	xyz(33.5848, 38.0832, 82.6558)
Luminance	0.3809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55AEE9 #E99055

analogous

#55E9DA #55AEE9 #5564E9

triadic

#55AEE9 #E955AE #AEE955

tetradic

#55AEE9 #DA55E9 #E99055 #64E955

square

#55AEE9 #DA55E9 #E99055 #64E955

split-complementary

#55AEE9 #E95564 #E9DA55

monochromatic

#1671AD #1F94E2 #55AEE9 #8BC8F0 #C1E2F7

Accessibility & contrast

On white

2.44

#55AEE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#55AEE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55AEE9

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55AEE9	#FFFFFF	#000000	##000000
##55AEE9	1.00	2.44	8.62	8.62
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.62	21.00	1.00	1.00
##000000	8.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93AEEC

Deuteranopia (green-blind)

#7F9FE8

Tritanopia (blue-blind)

#00BDC2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #55aee9;
/* rgb */ color: rgb(85, 174, 233);
/* oklch */ color: oklch(72.1% 0.121 240.4);

Tailwind

colors: {
  custom: {
    50: '#92c6f0',
    500: '#55aee9',
    950: '#000000',
  },
}

SCSS

$custom: #55aee9;
$custom-light: #92c6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#55aee9",
  "rgb": {
    "r": 85,
    "g": 174,
    "b": 233
  },
  "hsl": {
    "h": 203.919,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.7206,
    "c": 0.12118,
    "h": 240.4
  },
  "luminance": 0.38087
}

Semantic roles & 50–950 ramp

primary

#55AEE9

secondary

#E8C7B2

accent

#5E0CD9

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55AEE9

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

Preview Lab → · Contrast checker → · Palette generator →