#55B3E3#55B3E3

#55B3E3 is a light, moderate cyan. Relative luminance 0.397; OKLCH L 72.9% C 0.113 H 233.5°. Best body text is #000000 at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#55B3E3
RGB	rgb(85, 179, 227)
HSL	hsl(200, 72%, 61%)
HSV	hsv(200, 63%, 89%)
CMYK	cmyk(62.6%, 21.1%, 0%, 11%)
CIE-LAB	lab(69.27, -13.54, -32.36)
CIE-LCH	lch(69.27, 35.08, 247.29°)
OKLab	oklab(72.92% -0.067 -0.0906)
OKLCH	oklch(72.92% 0.113 233.5)
XYZ	xyz(33.7262, 39.7141, 78.5464)
Luminance	0.3972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B3E3 #E38555

analogous

#55E3CC #55B3E3 #556CE3

triadic

#55B3E3 #E355B3 #B3E355

tetradic

#55B3E3 #CC55E3 #E38555 #6CE355

square

#55B3E3 #CC55E3 #E38555 #6CE355

split-complementary

#55B3E3 #E3556C #E3CC55

monochromatic

#1B75A3 #239BD7 #55B3E3 #8ACAEC #BEE2F4

Accessibility & contrast

On white

2.35

#55B3E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.94

#55B3E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B3E3

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B3E3	#FFFFFF	#000000	##000000
##55B3E3	1.00	2.35	8.94	8.94
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.94	21.00	1.00	1.00
##000000	8.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB1E5

Deuteranopia (green-blind)

#88A3E2

Tritanopia (blue-blind)

#00C0C3

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #55b3e3;
/* rgb */ color: rgb(85, 179, 227);
/* oklch */ color: oklch(72.9% 0.113 233.5);

Tailwind

colors: {
  custom: {
    50: '#92c9ec',
    500: '#55b3e3',
    950: '#000000',
  },
}

SCSS

$custom: #55b3e3;
$custom-light: #92c9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#55b3e3",
  "rgb": {
    "r": 85,
    "g": 179,
    "b": 227
  },
  "hsl": {
    "h": 200.282,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.72919,
    "c": 0.11269,
    "h": 233.5
  },
  "luminance": 0.39718
}

Semantic roles & 50–950 ramp

primary

#55B3E3

secondary

#E5C1AF

accent

#5312D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B3E3

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

Preview Lab → · Contrast checker → · Palette generator →