#55D1EB#55D1EB

#55D1EB is a light, moderate cyan. Relative luminance 0.535; OKLCH L 80.1% C 0.114 H 214.0°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#55D1EB
RGB	rgb(85, 209, 235)
HSL	hsl(190, 79%, 63%)
HSV	hsv(190, 64%, 92%)
CMYK	cmyk(63.8%, 11.1%, 0%, 7.8%)
CIE-LAB	lab(78.18, -26.54, -23.00)
CIE-LCH	lch(78.18, 35.12, 220.92°)
OKLab	oklab(80.15% -0.0947 -0.0639)
OKLCH	oklch(80.15% 0.114 214)
XYZ	xyz(41.5360, 53.5259, 86.7237)
Luminance	0.5353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D1EB #EB6F55

analogous

#55EBBA #55D1EB #5586EB

triadic

#55D1EB #EB55D1 #D1EB55

tetradic

#55D1EB #BA55EB #EB6F55 #86EB55

square

#55D1EB #BA55EB #EB6F55 #86EB55

split-complementary

#55D1EB #EB5586 #EBBA55

monochromatic

#1596B1 #1EC2E5 #55D1EB #8CE0F1 #C3EFF8

Accessibility & contrast

On white

1.79

#55D1EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#55D1EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D1EB

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D1EB	#FFFFFF	#000000	##000000
##55D1EB	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BECBED

Deuteranopia (green-blind)

#A8BAEB

Tritanopia (blue-blind)

#00DBD9

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #55d1eb;
/* rgb */ color: rgb(85, 209, 235);
/* oklch */ color: oklch(80.1% 0.114 214.0);

Tailwind

colors: {
  custom: {
    50: '#95dff1',
    500: '#55d1eb',
    950: '#000000',
  },
}

SCSS

$custom: #55d1eb;
$custom-light: #95dff1;
$custom-dark: #000000;

JSON

{
  "hex": "#55d1eb",
  "rgb": {
    "r": 85,
    "g": 209,
    "b": 235
  },
  "hsl": {
    "h": 190.4,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.80149,
    "c": 0.11426,
    "h": 214
  },
  "luminance": 0.5353
}

Semantic roles & 50–950 ramp

primary

#55D1EB

secondary

#B14933

accent

#2E0ADB

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #55D1EB

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

Preview Lab → · Contrast checker → · Palette generator →