#45B9EE#45B9EE

#45B9EE is a light, vivid cyan. Relative luminance 0.421; OKLCH L 74.3% C 0.127 H 232.1°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#45B9EE
RGB	rgb(69, 185, 238)
HSL	hsl(199, 83%, 60%)
HSV	hsv(199, 71%, 93%)
CMYK	cmyk(71%, 22.3%, 0%, 6.7%)
CIE-LAB	lab(70.96, -15.67, -35.76)
CIE-LCH	lch(70.96, 39.04, 246.33°)
OKLab	oklab(74.28% -0.0782 -0.1005)
OKLCH	oklch(74.28% 0.127 232.1)
XYZ	xyz(35.2297, 42.1322, 87.1480)
Luminance	0.4214 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B9EE #EE7A45

analogous

#45EECF #45B9EE #4564EE

triadic

#45B9EE #EE45B9 #B9EE45

tetradic

#45B9EE #CF45EE #EE7A45 #64EE45

square

#45B9EE #CF45EE #EE7A45 #64EE45

split-complementary

#45B9EE #EE4564 #EECF45

monochromatic

#0F79A9 #15A1E1 #45B9EE #7DCEF3 #B5E3F8

Accessibility & contrast

On white

2.23

#45B9EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.43

#45B9EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B9EE

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B9EE	#FFFFFF	#000000	##000000
##45B9EE	1.00	2.23	9.43	9.43
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.43	21.00	1.00	1.00
##000000	9.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB7F1

Deuteranopia (green-blind)

#88A6ED

Tritanopia (blue-blind)

#00C7CB

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #45b9ee;
/* rgb */ color: rgb(69, 185, 238);
/* oklch */ color: oklch(74.3% 0.127 232.1);

Tailwind

colors: {
  custom: {
    50: '#8dcef3',
    500: '#45b9ee',
    950: '#000000',
  },
}

SCSS

$custom: #45b9ee;
$custom-light: #8dcef3;
$custom-dark: #000000;

JSON

{
  "hex": "#45b9ee",
  "rgb": {
    "r": 69,
    "g": 185,
    "b": 238
  },
  "hsl": {
    "h": 198.817,
    "s": 83.251,
    "l": 60.196
  },
  "oklch": {
    "l": 0.74284,
    "c": 0.12734,
    "h": 232.1
  },
  "luminance": 0.42136
}

Semantic roles & 50–950 ramp

primary

#45B9EE

secondary

#E8BBA7

accent

#4A06E0

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #45B9EE

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

Preview Lab → · Contrast checker → · Palette generator →