#55D3EE#55D3EE

#55D3EE is a light, moderate cyan. Relative luminance 0.547; OKLCH L 80.7% C 0.116 H 214.5°. Best body text is #000000 at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#55D3EE
RGB	rgb(85, 211, 238)
HSL	hsl(191, 82%, 63%)
HSV	hsv(191, 64%, 93%)
CMYK	cmyk(64.3%, 11.3%, 0%, 6.7%)
CIE-LAB	lab(78.86, -26.64, -23.58)
CIE-LCH	lch(78.86, 35.58, 221.51°)
OKLab	oklab(80.73% -0.0955 -0.0655)
OKLCH	oklch(80.73% 0.116 214.5)
XYZ	xyz(42.4668, 54.6883, 89.1902)
Luminance	0.5469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D3EE #EE7055

analogous

#55EEBC #55D3EE #5586EE

triadic

#55D3EE #EE55D3 #D3EE55

tetradic

#55D3EE #BC55EE #EE7055 #86EE55

square

#55D3EE #BC55EE #EE7055 #86EE55

split-complementary

#55D3EE #EE5586 #EEBC55

monochromatic

#1299B6 #1DC5E8 #55D3EE #8DE1F4 #C4F0F9

Accessibility & contrast

On white

1.76

#55D3EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.94

#55D3EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D3EE

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D3EE	#FFFFFF	#000000	##000000
##55D3EE	1.00	1.76	11.94	11.94
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.94	21.00	1.00	1.00
##000000	11.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CDF0

Deuteranopia (green-blind)

#A9BCEE

Tritanopia (blue-blind)

#00DDDB

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #55d3ee;
/* rgb */ color: rgb(85, 211, 238);
/* oklch */ color: oklch(80.7% 0.116 214.5);

Tailwind

colors: {
  custom: {
    50: '#95e0f3',
    500: '#55d3ee',
    950: '#000000',
  },
}

SCSS

$custom: #55d3ee;
$custom-light: #95e0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#55d3ee",
  "rgb": {
    "r": 85,
    "g": 211,
    "b": 238
  },
  "hsl": {
    "h": 190.588,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.80727,
    "c": 0.11587,
    "h": 214.5
  },
  "luminance": 0.54693
}

Semantic roles & 50–950 ramp

primary

#55D3EE

secondary

#B64931

accent

#2D07DE

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #55D3EE

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

Preview Lab → · Contrast checker → · Palette generator →