#55D4EF#55D4EF

#55D4EF is a light, moderate cyan. Relative luminance 0.552; OKLCH L 81.0% C 0.116 H 214.3°. Best body text is #000000 at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#55D4EF
RGB	rgb(85, 212, 239)
HSL	hsl(191, 83%, 64%)
HSV	hsv(191, 64%, 94%)
CMYK	cmyk(64.4%, 11.3%, 0%, 6.3%)
CIE-LAB	lab(79.18, -26.84, -23.62)
CIE-LCH	lch(79.18, 35.76, 221.35°)
OKLab	oklab(81% -0.0962 -0.0657)
OKLCH	oklch(81% 0.116 214.3)
XYZ	xyz(42.8633, 55.2456, 90.0491)
Luminance	0.5525 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D4EF #EF7055

analogous

#55EFBD #55D4EF #5587EF

triadic

#55D4EF #EF55D4 #D4EF55

tetradic

#55D4EF #BD55EF #EF7055 #87EF55

square

#55D4EF #BD55EF #EF7055 #87EF55

split-complementary

#55D4EF #EF5587 #EFBD55

monochromatic

#119BB8 #1DC6EA #55D4EF #8DE2F4 #C5F0FA

Accessibility & contrast

On white

1.74

#55D4EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.05

#55D4EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D4EF

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D4EF	#FFFFFF	#000000	##000000
##55D4EF	1.00	1.74	12.05	12.05
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.05	21.00	1.00	1.00
##000000	12.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CDF1

Deuteranopia (green-blind)

#AABDEF

Tritanopia (blue-blind)

#00DEDC

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #55d4ef;
/* rgb */ color: rgb(85, 212, 239);
/* oklch */ color: oklch(81.0% 0.116 214.3);

Tailwind

colors: {
  custom: {
    50: '#95e1f4',
    500: '#55d4ef',
    950: '#000000',
  },
}

SCSS

$custom: #55d4ef;
$custom-light: #95e1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#55d4ef",
  "rgb": {
    "r": 85,
    "g": 212,
    "b": 239
  },
  "hsl": {
    "h": 190.519,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.80996,
    "c": 0.11646,
    "h": 214.3
  },
  "luminance": 0.5525
}

Semantic roles & 50–950 ramp

primary

#55D4EF

secondary

#B74831

accent

#2C06DF

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #55D4EF

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

Preview Lab → · Contrast checker → · Palette generator →