#55A3E3#55A3E3

#55A3E3 is a light, vivid cyan. Relative luminance 0.337; OKLCH L 69.3% C 0.122 H 245.6°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#55A3E3
RGB	rgb(85, 163, 227)
HSL	hsl(207, 72%, 61%)
HSV	hsv(207, 63%, 89%)
CMYK	cmyk(62.6%, 28.2%, 0%, 11%)
CIE-LAB	lab(64.70, -4.77, -39.46)
CIE-LCH	lch(64.70, 39.75, 263.11°)
OKLab	oklab(69.3% -0.0504 -0.1112)
OKLCH	oklch(69.3% 0.122 245.6)
XYZ	xyz(30.7035, 33.6687, 77.5388)
Luminance	0.3367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A3E3 #E39555

analogous

#55E3DC #55A3E3 #555CE3

triadic

#55A3E3 #E355A3 #A3E355

tetradic

#55A3E3 #DC55E3 #E39555 #5CE355

square

#55A3E3 #DC55E3 #E39555 #5CE355

split-complementary

#55A3E3 #E3555C #E3DC55

monochromatic

#1B66A3 #2386D7 #55A3E3 #8ABFEC #BEDCF4

Accessibility & contrast

On white

2.72

#55A3E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#55A3E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A3E3

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A3E3	#FFFFFF	#000000	##000000
##55A3E3	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A5E6

Deuteranopia (green-blind)

#7497E2

Tritanopia (blue-blind)

#00B2B9

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #55a3e3;
/* rgb */ color: rgb(85, 163, 227);
/* oklch */ color: oklch(69.3% 0.122 245.6);

Tailwind

colors: {
  custom: {
    50: '#91beec',
    500: '#55a3e3',
    950: '#000000',
  },
}

SCSS

$custom: #55a3e3;
$custom-light: #91beec;
$custom-dark: #000000;

JSON

{
  "hex": "#55a3e3",
  "rgb": {
    "r": 85,
    "g": 163,
    "b": 227
  },
  "hsl": {
    "h": 207.042,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.69301,
    "c": 0.1221,
    "h": 245.6
  },
  "luminance": 0.33672
}

Semantic roles & 50–950 ramp

primary

#55A3E3

secondary

#E5C7AF

accent

#6912D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #55A3E3

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

Preview Lab → · Contrast checker → · Palette generator →