#45A3FF#45A3FF

#45A3FF is a light, vivid cyan. Relative luminance 0.347; OKLCH L 70.2% C 0.161 H 250.9°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX#45A3FF
RGBrgb(69, 163, 255)
HSLhsl(210, 100%, 64%)
HSVhsv(210, 73%, 100%)
CMYKcmyk(72.9%, 36.1%, 0%, 0%)
CIE-LABlab(65.50, 2.25, -53.58)
CIE-LCHlch(65.50, 53.63, 272.40°)
OKLaboklab(70.21% -0.0529 -0.1525)
OKLCHoklch(70.21% 0.161 250.9)
XYZxyz(33.5946, 34.6758, 99.5109)
Luminance0.3468 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45A3FF #FFA145
analogous
#45FFFE #45A3FF #4546FF
triadic
#45A3FF #FF45A3 #A3FF45
tetradic
#45A3FF #FE45FF #FFA145 #46FF45
square
#45A3FF #FE45FF #FFA145 #46FF45
split-complementary
#45A3FF #FF4546 #FFFE45
monochromatic
#0066CA #0885FF #45A3FF #82C1FF #BFE0FF

Accessibility & contrast

On white

2.65
#45A3FF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.94
#45A3FF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45A3FF
7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45A3FF#FFFFFF#000000##000000
##45A3FF1.002.657.947.94
#FFFFFF2.651.0021.0021.00
#0000007.9421.001.001.00
##0000007.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#79A8FF
Deuteranopia (green-blind)
#5D97FD
Tritanopia (blue-blind)
#00B9C5
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #45a3ff;
/* rgb */ color: rgb(69, 163, 255);
/* oklch */ color: oklch(70.2% 0.161 250.9);
Tailwind
colors: {
  custom: {
    50: '#8fbdff',
    500: '#45a3ff',
    950: '#000000',
  },
}
SCSS
$custom: #45a3ff;
$custom-light: #8fbdff;
$custom-dark: #000000;
JSON
{
  "hex": "#45a3ff",
  "rgb": {
    "r": 69,
    "g": 163,
    "b": 255
  },
  "hsl": {
    "h": 209.677,
    "s": 100,
    "l": 63.529
  },
  "oklch": {
    "l": 0.70214,
    "c": 0.16145,
    "h": 250.9
  },
  "luminance": 0.3468
}

Semantic roles & 50–950 ramp

primary
#45A3FF
secondary
#F1D0AF
accent
#7200E6
background
#F9FBFF
surface
#F2F6FF
border
#CCD0D7
text
#0E1218
muted
#7E8186

Preview Lab

Preview with #45A3FF

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

Preview Lab → · Contrast checker → · Palette generator →

#45A3FF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva