#55C5EE#55C5EE

#55C5EE is a light, moderate cyan. Relative luminance 0.480; OKLCH L 77.5% C 0.116 H 225.5°. Best body text is #000000 at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#55C5EE
RGB	rgb(85, 197, 238)
HSL	hsl(196, 82%, 63%)
HSV	hsv(196, 64%, 93%)
CMYK	cmyk(64.3%, 17.2%, 0%, 6.7%)
CIE-LAB	lab(74.85, -19.59, -29.72)
CIE-LCH	lch(74.85, 35.60, 236.61°)
OKLab	oklab(77.51% -0.0815 -0.083)
OKLCH	oklch(77.51% 0.116 225.5)
XYZ	xyz(39.1390, 48.0327, 88.0809)
Luminance	0.4804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55C5EE #EE7E55

analogous

#55EECA #55C5EE #5578EE

triadic

#55C5EE #EE55C5 #C5EE55

tetradic

#55C5EE #CA55EE #EE7E55 #78EE55

square

#55C5EE #CA55EE #EE7E55 #78EE55

split-complementary

#55C5EE #EE5578 #EECA55

monochromatic

#128AB6 #1DB2E8 #55C5EE #8DD8F4 #C4EBF9

Accessibility & contrast

On white

1.98

#55C5EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.61

#55C5EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55C5EE

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55C5EE	#FFFFFF	#000000	##000000
##55C5EE	1.00	1.98	10.61	10.61
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.61	21.00	1.00	1.00
##000000	10.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC1F0

Deuteranopia (green-blind)

#99B1EE

Tritanopia (blue-blind)

#00D1D2

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #55c5ee;
/* rgb */ color: rgb(85, 197, 238);
/* oklch */ color: oklch(77.5% 0.116 225.5);

Tailwind

colors: {
  custom: {
    50: '#94d6f3',
    500: '#55c5ee',
    950: '#000000',
  },
}

SCSS

$custom: #55c5ee;
$custom-light: #94d6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#55c5ee",
  "rgb": {
    "r": 85,
    "g": 197,
    "b": 238
  },
  "hsl": {
    "h": 196.078,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.77508,
    "c": 0.1163,
    "h": 225.5
  },
  "luminance": 0.48037
}

Semantic roles & 50–950 ramp

primary

#55C5EE

secondary

#EBC3B4

accent

#4107DE

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #55C5EE

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

Preview Lab → · Contrast checker → · Palette generator →