#55A9E9#55A9E9

#55A9E9 is a light, vivid cyan. Relative luminance 0.362; OKLCH L 70.9% C 0.124 H 243.9°. Best body text is #000000 at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#55A9E9
RGB	rgb(85, 169, 233)
HSL	hsl(206, 77%, 62%)
HSV	hsv(206, 64%, 91%)
CMYK	cmyk(63.5%, 27.5%, 0%, 8.6%)
CIE-LAB	lab(66.66, -6.18, -39.69)
CIE-LCH	lch(66.66, 40.17, 261.15°)
OKLab	oklab(70.94% -0.0547 -0.1118)
OKLCH	oklch(70.94% 0.125 243.9)
XYZ	xyz(32.6367, 36.1871, 82.3398)
Luminance	0.3619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A9E9 #E99555

analogous

#55E9DF #55A9E9 #555FE9

triadic

#55A9E9 #E955A9 #A9E955

tetradic

#55A9E9 #DF55E9 #E99555 #5FE955

square

#55A9E9 #DF55E9 #E99555 #5FE955

split-complementary

#55A9E9 #E9555F #E9DF55

monochromatic

#166CAD #1F8EE2 #55A9E9 #8BC4F0 #C1E0F7

Accessibility & contrast

On white

2.55

#55A9E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.24

#55A9E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A9E9

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A9E9	#FFFFFF	#000000	##000000
##55A9E9	1.00	2.55	8.24	8.24
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.24	21.00	1.00	1.00
##000000	8.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DAAEC

Deuteranopia (green-blind)

#789CE8

Tritanopia (blue-blind)

#00B9BF

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #55a9e9;
/* rgb */ color: rgb(85, 169, 233);
/* oklch */ color: oklch(70.9% 0.124 243.9);

Tailwind

colors: {
  custom: {
    50: '#92c2f0',
    500: '#55a9e9',
    950: '#000000',
  },
}

SCSS

$custom: #55a9e9;
$custom-light: #92c2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#55a9e9",
  "rgb": {
    "r": 85,
    "g": 169,
    "b": 233
  },
  "hsl": {
    "h": 205.946,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.70938,
    "c": 0.1245,
    "h": 243.9
  },
  "luminance": 0.3619
}

Semantic roles & 50–950 ramp

primary

#55A9E9

secondary

#E8C9B2

accent

#650CD9

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #55A9E9

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

Preview Lab → · Contrast checker → · Palette generator →