#55DAF9#55DAF9

#55DAF9 is a very light, vivid cyan. Relative luminance 0.589; OKLCH L 82.8% C 0.122 H 216.2°. Best body text is #000000 at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#55DAF9
RGB	rgb(85, 218, 249)
HSL	hsl(191, 93%, 65%)
HSV	hsv(191, 66%, 98%)
CMYK	cmyk(65.9%, 12.4%, 0%, 2.4%)
CIE-LAB	lab(81.24, -26.84, -25.81)
CIE-LCH	lch(81.24, 37.23, 223.88°)
OKLab	oklab(82.76% -0.0983 -0.0718)
OKLCH	oklch(82.76% 0.122 216.2)
XYZ	xyz(45.9095, 58.9086, 98.5551)
Luminance	0.5891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55DAF9 #F97455

analogous

#55F9C6 #55DAF9 #5588F9

triadic

#55DAF9 #F955DA #DAF955

tetradic

#55DAF9 #C655F9 #F97455 #88F955

square

#55DAF9 #C655F9 #F97455 #88F955

split-complementary

#55DAF9 #F95588 #F9C655

monochromatic

#07A7CC #1ACDF7 #55DAF9 #90E7FB #CBF4FD

Accessibility & contrast

On white

1.64

#55DAF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.78

#55DAF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55DAF9

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55DAF9	#FFFFFF	#000000	##000000
##55DAF9	1.00	1.64	12.78	12.78
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.78	21.00	1.00	1.00
##000000	12.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D4FB

Deuteranopia (green-blind)

#AEC2F9

Tritanopia (blue-blind)

#00E5E4

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #55daf9;
/* rgb */ color: rgb(85, 218, 249);
/* oklch */ color: oklch(82.8% 0.122 216.2);

Tailwind

colors: {
  custom: {
    50: '#97e5fb',
    500: '#55daf9',
    950: '#000000',
  },
}

SCSS

$custom: #55daf9;
$custom-light: #97e5fb;
$custom-dark: #000000;

JSON

{
  "hex": "#55daf9",
  "rgb": {
    "r": 85,
    "g": 218,
    "b": 249
  },
  "hsl": {
    "h": 191.341,
    "s": 93.182,
    "l": 65.49
  },
  "oklch": {
    "l": 0.82764,
    "c": 0.12175,
    "h": 216.2
  },
  "luminance": 0.58914
}

Semantic roles & 50–950 ramp

primary

#55DAF9

secondary

#C8482A

accent

#2B00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #55DAF9

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

Preview Lab → · Contrast checker → · Palette generator →