#45B3E6#45B3E6

#45B3E6 is a light, vivid cyan. Relative luminance 0.392; OKLCH L 72.5% C 0.123 H 232.3°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#45B3E6
RGB	rgb(69, 179, 230)
HSL	hsl(199, 76%, 59%)
HSV	hsv(199, 70%, 90%)
CMYK	cmyk(70%, 22.2%, 0%, 9.8%)
CIE-LAB	lab(68.91, -15.08, -34.59)
CIE-LCH	lch(68.91, 37.74, 246.44°)
OKLab	oklab(72.54% -0.0752 -0.0972)
OKLCH	oklch(72.54% 0.123 232.3)
XYZ	xyz(32.8516, 39.2149, 80.6854)
Luminance	0.3922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B3E6 #E67845

analogous

#45E6C8 #45B3E6 #4562E6

triadic

#45B3E6 #E645B3 #B3E645

tetradic

#45B3E6 #C845E6 #E67845 #62E645

square

#45B3E6 #C845E6 #E67845 #62E645

split-complementary

#45B3E6 #E64562 #E6C845

monochromatic

#15719C #1C98D2 #45B3E6 #7BC9ED #B1DFF5

Accessibility & contrast

On white

2.37

#45B3E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#45B3E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3E6

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B3E6	#FFFFFF	#000000	##000000
##45B3E6	1.00	2.37	8.84	8.84
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB1E8

Deuteranopia (green-blind)

#84A1E5

Tritanopia (blue-blind)

#00C1C4

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #45b3e6;
/* rgb */ color: rgb(69, 179, 230);
/* oklch */ color: oklch(72.5% 0.123 232.3);

Tailwind

colors: {
  custom: {
    50: '#8bc9ee',
    500: '#45b3e6',
    950: '#000000',
  },
}

SCSS

$custom: #45b3e6;
$custom-light: #8bc9ee;
$custom-dark: #000000;

JSON

{
  "hex": "#45b3e6",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 230
  },
  "hsl": {
    "h": 199.006,
    "s": 76.303,
    "l": 58.627
  },
  "oklch": {
    "l": 0.72538,
    "c": 0.12287,
    "h": 232.3
  },
  "luminance": 0.39219
}

Semantic roles & 50–950 ramp

primary

#45B3E6

secondary

#E3B8A4

accent

#7135F3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B3E6

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

Preview Lab → · Contrast checker → · Palette generator →