#55D5FA#55D5FA

#55D5FA is a light, vivid cyan. Relative luminance 0.564; OKLCH L 81.7% C 0.122 H 220.5°. Best body text is #000000 at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#55D5FA
RGB	rgb(85, 213, 250)
HSL	hsl(193, 94%, 66%)
HSV	hsv(193, 66%, 98%)
CMYK	cmyk(66%, 14.8%, 0%, 2%)
CIE-LAB	lab(79.85, -24.06, -28.47)
CIE-LCH	lch(79.85, 37.27, 229.79°)
OKLab	oklab(81.66% -0.093 -0.0794)
OKLCH	oklch(81.66% 0.122 220.5)
XYZ	xyz(44.7888, 56.4170, 98.9531)
Luminance	0.5642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D5FA #FA7A55

analogous

#55FACD #55D5FA #5582FA

triadic

#55D5FA #FA55D5 #D5FA55

tetradic

#55D5FA #CD55FA #FA7A55 #82FA55

square

#55D5FA #CD55FA #FA7A55 #82FA55

split-complementary

#55D5FA #FA5582 #FACD55

monochromatic

#06A2CF #1AC6F8 #55D5FA #90E4FC #CCF2FD

Accessibility & contrast

On white

1.71

#55D5FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.28

#55D5FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D5FA

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D5FA	#FFFFFF	#000000	##000000
##55D5FA	1.00	1.71	12.28	12.28
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.28	21.00	1.00	1.00
##000000	12.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFD0FC

Deuteranopia (green-blind)

#A7BFFA

Tritanopia (blue-blind)

#00E1E1

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #55d5fa;
/* rgb */ color: rgb(85, 213, 250);
/* oklch */ color: oklch(81.7% 0.122 220.5);

Tailwind

colors: {
  custom: {
    50: '#96e2fc',
    500: '#55d5fa',
    950: '#000000',
  },
}

SCSS

$custom: #55d5fa;
$custom-light: #96e2fc;
$custom-dark: #000000;

JSON

{
  "hex": "#55d5fa",
  "rgb": {
    "r": 85,
    "g": 213,
    "b": 250
  },
  "hsl": {
    "h": 193.455,
    "s": 94.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.81659,
    "c": 0.12227,
    "h": 220.5
  },
  "luminance": 0.56422
}

Semantic roles & 50–950 ramp

primary

#55D5FA

secondary

#CA4D29

accent

#3300E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #55D5FA

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

Preview Lab → · Contrast checker → · Palette generator →