#55D2EF#55D2EF

#55D2EF is a light, moderate cyan. Relative luminance 0.543; OKLCH L 80.5% C 0.116 H 215.9°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#55D2EF
RGB	rgb(85, 210, 239)
HSL	hsl(191, 83%, 64%)
HSV	hsv(191, 64%, 94%)
CMYK	cmyk(64.4%, 12.1%, 0%, 6.3%)
CIE-LAB	lab(78.61, -25.85, -24.50)
CIE-LCH	lch(78.61, 35.62, 223.46°)
OKLab	oklab(80.54% -0.0942 -0.0681)
OKLCH	oklch(80.54% 0.116 215.9)
XYZ	xyz(42.3665, 54.2519, 89.8835)
Luminance	0.5426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D2EF #EF7255

analogous

#55EFBF #55D2EF #5585EF

triadic

#55D2EF #EF55D2 #D2EF55

tetradic

#55D2EF #BF55EF #EF7255 #85EF55

square

#55D2EF #BF55EF #EF7255 #85EF55

split-complementary

#55D2EF #EF5585 #EFBF55

monochromatic

#1199B8 #1DC3EA #55D2EF #8DE1F4 #C5F0FA

Accessibility & contrast

On white

1.77

#55D2EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.85

#55D2EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D2EF

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D2EF	#FFFFFF	#000000	##000000
##55D2EF	1.00	1.77	11.85	11.85
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.85	21.00	1.00	1.00
##000000	11.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BECCF1

Deuteranopia (green-blind)

#A8BBEF

Tritanopia (blue-blind)

#00DDDB

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #55d2ef;
/* rgb */ color: rgb(85, 210, 239);
/* oklch */ color: oklch(80.5% 0.116 215.9);

Tailwind

colors: {
  custom: {
    50: '#95e0f4',
    500: '#55d2ef',
    950: '#000000',
  },
}

SCSS

$custom: #55d2ef;
$custom-light: #95e0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#55d2ef",
  "rgb": {
    "r": 85,
    "g": 210,
    "b": 239
  },
  "hsl": {
    "h": 191.299,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.80535,
    "c": 0.11623,
    "h": 215.9
  },
  "luminance": 0.54256
}

Semantic roles & 50–950 ramp

primary

#55D2EF

secondary

#B74A31

accent

#2F06DF

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #55D2EF

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

Preview Lab → · Contrast checker → · Palette generator →