#55C4F3#55C4F3

#55C4F3 is a light, vivid cyan. Relative luminance 0.479; OKLCH L 77.5% C 0.120 H 229.2°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#55C4F3
RGB	rgb(85, 196, 243)
HSL	hsl(198, 87%, 64%)
HSV	hsv(198, 65%, 95%)
CMYK	cmyk(65%, 19.3%, 0%, 4.7%)
CIE-LAB	lab(74.75, -17.53, -32.57)
CIE-LCH	lch(74.75, 36.99, 241.70°)
OKLab	oklab(77.49% -0.0787 -0.0911)
OKLCH	oklch(77.49% 0.12 229.2)
XYZ	xyz(39.6575, 47.8780, 91.9280)
Luminance	0.4788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55C4F3 #F38455

analogous

#55F3D3 #55C4F3 #5575F3

triadic

#55C4F3 #F355C4 #C4F355

tetradic

#55C4F3 #D355F3 #F38455 #75F355

square

#55C4F3 #D355F3 #F38455 #75F355

split-complementary

#55C4F3 #F35575 #F3D355

monochromatic

#0E8BC0 #1CB0EF #55C4F3 #8ED8F7 #C7ECFB

Accessibility & contrast

On white

1.99

#55C4F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.58

#55C4F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55C4F3

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55C4F3	#FFFFFF	#000000	##000000
##55C4F3	1.00	1.99	10.58	10.58
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.58	21.00	1.00	1.00
##000000	10.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACC1F5

Deuteranopia (green-blind)

#96B1F2

Tritanopia (blue-blind)

#00D1D3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #55c4f3;
/* rgb */ color: rgb(85, 196, 243);
/* oklch */ color: oklch(77.5% 0.120 229.2);

Tailwind

colors: {
  custom: {
    50: '#95d6f7',
    500: '#55c4f3',
    950: '#000000',
  },
}

SCSS

$custom: #55c4f3;
$custom-light: #95d6f7;
$custom-dark: #000000;

JSON

{
  "hex": "#55c4f3",
  "rgb": {
    "r": 85,
    "g": 196,
    "b": 243
  },
  "hsl": {
    "h": 197.848,
    "s": 86.813,
    "l": 64.314
  },
  "oklch": {
    "l": 0.77492,
    "c": 0.1204,
    "h": 229.2
  },
  "luminance": 0.47882
}

Semantic roles & 50–950 ramp

primary

#55C4F3

secondary

#EDC7B6

accent

#4502E3

background

#F9FDFF

surface

#F2FAFE

border

#CCD3D6

text

#0F1417

muted

#7E8385

Preview Lab

Preview with #55C4F3

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

Preview Lab → · Contrast checker → · Palette generator →