#55C3F3#55C3F3

#55C3F3 is a light, vivid cyan. Relative luminance 0.474; OKLCH L 77.3% C 0.121 H 229.9°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#55C3F3
RGB	rgb(85, 195, 243)
HSL	hsl(198, 87%, 64%)
HSV	hsv(198, 65%, 95%)
CMYK	cmyk(65%, 19.8%, 0%, 4.7%)
CIE-LAB	lab(74.46, -17.01, -33.01)
CIE-LCH	lch(74.46, 37.13, 242.73°)
OKLab	oklab(77.27% -0.0777 -0.0924)
OKLCH	oklch(77.27% 0.121 229.9)
XYZ	xyz(39.4327, 47.4284, 91.8531)
Luminance	0.4743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55C3F3 #F38555

analogous

#55F3D4 #55C3F3 #5574F3

triadic

#55C3F3 #F355C3 #C3F355

tetradic

#55C3F3 #D455F3 #F38555 #74F355

square

#55C3F3 #D455F3 #F38555 #74F355

split-complementary

#55C3F3 #F35574 #F3D455

monochromatic

#0E8AC0 #1CAFEF #55C3F3 #8ED7F7 #C7EBFB

Accessibility & contrast

On white

2.00

#55C3F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#55C3F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55C3F3

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55C3F3	#FFFFFF	#000000	##000000
##55C3F3	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABC0F5

Deuteranopia (green-blind)

#95B0F2

Tritanopia (blue-blind)

#00D0D3

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #55c3f3;
/* rgb */ color: rgb(85, 195, 243);
/* oklch */ color: oklch(77.3% 0.121 229.9);

Tailwind

colors: {
  custom: {
    50: '#95d5f7',
    500: '#55c3f3',
    950: '#000000',
  },
}

SCSS

$custom: #55c3f3;
$custom-light: #95d5f7;
$custom-dark: #000000;

JSON

{
  "hex": "#55c3f3",
  "rgb": {
    "r": 85,
    "g": 195,
    "b": 243
  },
  "hsl": {
    "h": 198.228,
    "s": 86.813,
    "l": 64.314
  },
  "oklch": {
    "l": 0.77265,
    "c": 0.12071,
    "h": 229.9
  },
  "luminance": 0.47433
}

Semantic roles & 50–950 ramp

primary

#55C3F3

secondary

#EDC7B6

accent

#4702E3

background

#F9FDFF

surface

#F2FAFE

border

#CCD3D6

text

#0F1417

muted

#7E8385

Preview Lab

Preview with #55C3F3

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

Preview Lab → · Contrast checker → · Palette generator →