#45B5E8#45B5E8

#45B5E8 is a light, vivid cyan. Relative luminance 0.401; OKLCH L 73.1% C 0.124 H 231.9°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#45B5E8
RGB	rgb(69, 181, 232)
HSL	hsl(199, 78%, 59%)
HSV	hsv(199, 70%, 91%)
CMYK	cmyk(70.3%, 22%, 0%, 9%)
CIE-LAB	lab(69.57, -15.50, -34.66)
CIE-LCH	lch(69.57, 37.97, 245.91°)
OKLab	oklab(73.09% -0.0764 -0.0974)
OKLCH	oklch(73.09% 0.124 231.9)
XYZ	xyz(33.5378, 40.1354, 82.3077)
Luminance	0.4014 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B5E8 #E87845

analogous

#45E8CA #45B5E8 #4564E8

triadic

#45B5E8 #E845B5 #B5E845

tetradic

#45B5E8 #CA45E8 #E87845 #64E845

square

#45B5E8 #CA45E8 #E87845 #64E845

split-complementary

#45B5E8 #E84564 #E8CA45

monochromatic

#14739F #1A9BD5 #45B5E8 #7BCBEF #B2E0F5

Accessibility & contrast

On white

2.33

#45B5E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.03

#45B5E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B5E8

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B5E8	#FFFFFF	#000000	##000000
##45B5E8	1.00	2.33	9.03	9.03
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.03	21.00	1.00	1.00
##000000	9.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB3EA

Deuteranopia (green-blind)

#85A3E7

Tritanopia (blue-blind)

#00C3C6

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #45b5e8;
/* rgb */ color: rgb(69, 181, 232);
/* oklch */ color: oklch(73.1% 0.124 231.9);

Tailwind

colors: {
  custom: {
    50: '#8ccbef',
    500: '#45b5e8',
    950: '#000000',
  },
}

SCSS

$custom: #45b5e8;
$custom-light: #8ccbef;
$custom-dark: #000000;

JSON

{
  "hex": "#45b5e8",
  "rgb": {
    "r": 69,
    "g": 181,
    "b": 232
  },
  "hsl": {
    "h": 198.773,
    "s": 77.99,
    "l": 59.02
  },
  "oklch": {
    "l": 0.7309,
    "c": 0.12378,
    "h": 231.9
  },
  "luminance": 0.40139
}

Semantic roles & 50–950 ramp

primary

#45B5E8

secondary

#E4B8A4

accent

#7033F4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #45B5E8

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

Preview Lab → · Contrast checker → · Palette generator →