#55D8FA#55D8FA

#55D8FA is a very light, vivid cyan. Relative luminance 0.579; OKLCH L 82.3% C 0.122 H 218.3°. Best body text is #000000 at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#55D8FA
RGB	rgb(85, 216, 250)
HSL	hsl(192, 94%, 66%)
HSV	hsv(192, 66%, 98%)
CMYK	cmyk(66%, 13.6%, 0%, 2%)
CIE-LAB	lab(80.71, -25.55, -27.16)
CIE-LCH	lch(80.71, 37.29, 226.74°)
OKLab	oklab(82.35% -0.0959 -0.0757)
OKLCH	oklch(82.35% 0.122 218.3)
XYZ	xyz(45.5504, 57.9401, 99.2069)
Luminance	0.5795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D8FA #FA7755

analogous

#55FACA #55D8FA #5585FA

triadic

#55D8FA #FA55D8 #D8FA55

tetradic

#55D8FA #CA55FA #FA7755 #85FA55

square

#55D8FA #CA55FA #FA7755 #85FA55

split-complementary

#55D8FA #FA5585 #FACA55

monochromatic

#06A5CF #1ACAF8 #55D8FA #90E6FC #CCF3FD

Accessibility & contrast

On white

1.67

#55D8FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.59

#55D8FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D8FA

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D8FA	#FFFFFF	#000000	##000000
##55D8FA	1.00	1.67	12.59	12.59
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.59	21.00	1.00	1.00
##000000	12.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2D2FC

Deuteranopia (green-blind)

#ABC1FA

Tritanopia (blue-blind)

#00E4E3

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #55d8fa;
/* rgb */ color: rgb(85, 216, 250);
/* oklch */ color: oklch(82.3% 0.122 218.3);

Tailwind

colors: {
  custom: {
    50: '#97e4fc',
    500: '#55d8fa',
    950: '#000000',
  },
}

SCSS

$custom: #55d8fa;
$custom-light: #97e4fc;
$custom-dark: #000000;

JSON

{
  "hex": "#55d8fa",
  "rgb": {
    "r": 85,
    "g": 216,
    "b": 250
  },
  "hsl": {
    "h": 192.364,
    "s": 94.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.82345,
    "c": 0.12219,
    "h": 218.3
  },
  "luminance": 0.57945
}

Semantic roles & 50–950 ramp

primary

#55D8FA

secondary

#CA4A29

accent

#2F00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #55D8FA

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

Preview Lab → · Contrast checker → · Palette generator →