#55D9F6#55D9F6

#55D9F6 is a very light, vivid cyan. Relative luminance 0.582; OKLCH L 82.4% C 0.120 H 215.0°. Best body text is #000000 at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#55D9F6
RGB	rgb(85, 217, 246)
HSL	hsl(191, 90%, 65%)
HSV	hsv(191, 65%, 96%)
CMYK	cmyk(65.4%, 11.8%, 0%, 3.5%)
CIE-LAB	lab(80.85, -27.23, -24.81)
CIE-LCH	lch(80.85, 36.84, 222.33°)
OKLab	oklab(82.42% -0.0984 -0.069)
OKLCH	oklch(82.42% 0.12 215)
XYZ	xyz(45.1868, 58.2059, 96.0243)
Luminance	0.5821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D9F6 #F67255

analogous

#55F6C2 #55D9F6 #5589F6

triadic

#55D9F6 #F655D9 #D9F655

tetradic

#55D9F6 #C255F6 #F67255 #89F655

square

#55D9F6 #C255F6 #F67255 #89F655

split-complementary

#55D9F6 #F65589 #F6C255

monochromatic

#0AA4C6 #1BCCF3 #55D9F6 #8FE6F9 #C9F3FC

Accessibility & contrast

On white

1.66

#55D9F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.64

#55D9F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D9F6

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D9F6	#FFFFFF	#000000	##000000
##55D9F6	1.00	1.66	12.64	12.64
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.64	21.00	1.00	1.00
##000000	12.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D2F8

Deuteranopia (green-blind)

#ADC1F6

Tritanopia (blue-blind)

#00E4E2

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #55d9f6;
/* rgb */ color: rgb(85, 217, 246);
/* oklch */ color: oklch(82.4% 0.120 215.0);

Tailwind

colors: {
  custom: {
    50: '#96e5f9',
    500: '#55d9f6',
    950: '#000000',
  },
}

SCSS

$custom: #55d9f6;
$custom-light: #96e5f9;
$custom-dark: #000000;

JSON

{
  "hex": "#55d9f6",
  "rgb": {
    "r": 85,
    "g": 217,
    "b": 246
  },
  "hsl": {
    "h": 190.807,
    "s": 89.944,
    "l": 64.902
  },
  "oklch": {
    "l": 0.82418,
    "c": 0.12023,
    "h": 215
  },
  "luminance": 0.58211
}

Semantic roles & 50–950 ramp

primary

#55D9F6

secondary

#C3472C

accent

#2900E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #55D9F6

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

Preview Lab → · Contrast checker → · Palette generator →