#55ADE3#55ADE3

#55ADE3 is a light, moderate cyan. Relative luminance 0.374; OKLCH L 71.6% C 0.116 H 238.3°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#55ADE3
RGB	rgb(85, 173, 227)
HSL	hsl(203, 72%, 61%)
HSV	hsv(203, 63%, 89%)
CMYK	cmyk(62.6%, 23.8%, 0%, 11%)
CIE-LAB	lab(67.55, -10.30, -35.03)
CIE-LCH	lch(67.55, 36.51, 253.61°)
OKLab	oklab(71.55% -0.0608 -0.0983)
OKLCH	oklch(71.55% 0.116 238.3)
XYZ	xyz(32.5497, 37.3612, 78.1542)
Luminance	0.3736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55ADE3 #E38B55

analogous

#55E3D2 #55ADE3 #5566E3

triadic

#55ADE3 #E355AD #ADE355

tetradic

#55ADE3 #D255E3 #E38B55 #66E355

square

#55ADE3 #D255E3 #E38B55 #66E355

split-complementary

#55ADE3 #E35566 #E3D255

monochromatic

#1B6FA3 #2393D7 #55ADE3 #8AC6EC #BEE0F4

Accessibility & contrast

On white

2.48

#55ADE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#55ADE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55ADE3

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55ADE3	#FFFFFF	#000000	##000000
##55ADE3	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94ACE6

Deuteranopia (green-blind)

#819EE2

Tritanopia (blue-blind)

#00BBBF

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #55ade3;
/* rgb */ color: rgb(85, 173, 227);
/* oklch */ color: oklch(71.6% 0.116 238.3);

Tailwind

colors: {
  custom: {
    50: '#92c5ec',
    500: '#55ade3',
    950: '#000000',
  },
}

SCSS

$custom: #55ade3;
$custom-light: #92c5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#55ade3",
  "rgb": {
    "r": 85,
    "g": 173,
    "b": 227
  },
  "hsl": {
    "h": 202.817,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.71554,
    "c": 0.11557,
    "h": 238.3
  },
  "luminance": 0.37364
}

Semantic roles & 50–950 ramp

primary

#55ADE3

secondary

#E5C4AF

accent

#5C12D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #55ADE3

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

Preview Lab → · Contrast checker → · Palette generator →