#45D3FC#45D3FC

#45D3FC is a light, vivid cyan. Relative luminance 0.549; OKLCH L 80.9% C 0.131 H 221.5°. Best body text is #000000 at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#45D3FC
RGB	rgb(69, 211, 252)
HSL	hsl(193, 97%, 63%)
HSV	hsv(193, 73%, 99%)
CMYK	cmyk(72.6%, 16.3%, 0%, 1.2%)
CIE-LAB	lab(78.97, -24.59, -30.91)
CIE-LCH	lch(78.97, 39.50, 231.50°)
OKLab	oklab(80.87% -0.0979 -0.0865)
OKLCH	oklch(80.87% 0.131 221.5)
XYZ	xyz(43.3119, 54.8769, 100.3862)
Luminance	0.5488 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45D3FC #FC6E45

analogous

#45FCCA #45D3FC #4577FC

triadic

#45D3FC #FC45D3 #D3FC45

tetradic

#45D3FC #CA45FC #FC6E45 #77FC45

square

#45D3FC #CA45FC #FC6E45 #77FC45

split-complementary

#45D3FC #FC4577 #FCCA45

monochromatic

#0398C3 #09C5FB #45D3FC #81E1FD #BDEFFE

Accessibility & contrast

On white

1.75

#45D3FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.98

#45D3FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45D3FC

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45D3FC	#FFFFFF	#000000	##000000
##45D3FC	1.00	1.75	11.98	11.98
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.98	21.00	1.00	1.00
##000000	11.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBCEFE

Deuteranopia (green-blind)

#A2BCFC

Tritanopia (blue-blind)

#00E0E0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #45d3fc;
/* rgb */ color: rgb(69, 211, 252);
/* oklch */ color: oklch(80.9% 0.131 221.5);

Tailwind

colors: {
  custom: {
    50: '#90e0fd',
    500: '#45d3fc',
    950: '#000000',
  },
}

SCSS

$custom: #45d3fc;
$custom-light: #90e0fd;
$custom-dark: #000000;

JSON

{
  "hex": "#45d3fc",
  "rgb": {
    "r": 69,
    "g": 211,
    "b": 252
  },
  "hsl": {
    "h": 193.443,
    "s": 96.825,
    "l": 62.941
  },
  "oklch": {
    "l": 0.80869,
    "c": 0.13058,
    "h": 221.5
  },
  "luminance": 0.54882
}

Semantic roles & 50–950 ramp

primary

#45D3FC

secondary

#C04825

accent

#3300E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0E1517

muted

#7F8485

Preview Lab

Preview with #45D3FC

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

Preview Lab → · Contrast checker → · Palette generator →