#45B3E8#45B3E8

#45B3E8 is a light, vivid cyan. Relative luminance 0.393; OKLCH L 72.6% C 0.125 H 233.3°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#45B3E8
RGB	rgb(69, 179, 232)
HSL	hsl(200, 78%, 59%)
HSV	hsv(200, 70%, 91%)
CMYK	cmyk(70.3%, 22.8%, 0%, 9%)
CIE-LAB	lab(68.99, -14.43, -35.56)
CIE-LCH	lch(68.99, 38.38, 247.91°)
OKLab	oklab(72.63% -0.0745 -0.0999)
OKLCH	oklch(72.63% 0.125 233.3)
XYZ	xyz(33.1340, 39.3279, 82.1731)
Luminance	0.3933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B3E8 #E87A45

analogous

#45E8CB #45B3E8 #4562E8

triadic

#45B3E8 #E845B3 #B3E845

tetradic

#45B3E8 #CB45E8 #E87A45 #62E845

square

#45B3E8 #CB45E8 #E87A45 #62E845

split-complementary

#45B3E8 #E84562 #E8CB45

monochromatic

#14729F #1A99D5 #45B3E8 #7BC9EF #B2E0F5

Accessibility & contrast

On white

2.37

#45B3E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#45B3E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3E8

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B3E8	#FFFFFF	#000000	##000000
##45B3E8	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B1EB

Deuteranopia (green-blind)

#83A1E7

Tritanopia (blue-blind)

#00C1C5

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #45b3e8;
/* rgb */ color: rgb(69, 179, 232);
/* oklch */ color: oklch(72.6% 0.125 233.3);

Tailwind

colors: {
  custom: {
    50: '#8cc9ef',
    500: '#45b3e8',
    950: '#000000',
  },
}

SCSS

$custom: #45b3e8;
$custom-light: #8cc9ef;
$custom-dark: #000000;

JSON

{
  "hex": "#45b3e8",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 232
  },
  "hsl": {
    "h": 199.509,
    "s": 77.99,
    "l": 59.02
  },
  "oklch": {
    "l": 0.7263,
    "c": 0.12467,
    "h": 233.3
  },
  "luminance": 0.39332
}

Semantic roles & 50–950 ramp

primary

#45B3E8

secondary

#E4B9A4

accent

#7233F4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B3E8

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

Preview Lab → · Contrast checker → · Palette generator →