#45BBE9#45BBE9

#45BBE9 is a light, vivid cyan. Relative luminance 0.427; OKLCH L 74.5% C 0.122 H 228.0°. Best body text is #000000 at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#45BBE9
RGB	rgb(69, 187, 233)
HSL	hsl(197, 79%, 59%)
HSV	hsv(197, 70%, 91%)
CMYK	cmyk(70.4%, 19.7%, 0%, 8.6%)
CIE-LAB	lab(71.34, -18.34, -32.46)
CIE-LCH	lch(71.34, 37.28, 240.54°)
OKLab	oklab(74.52% -0.0819 -0.091)
OKLCH	oklch(74.52% 0.122 228)
XYZ	xyz(34.9266, 42.6851, 83.4733)
Luminance	0.4269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45BBE9 #E97345

analogous

#45E9C5 #45BBE9 #4569E9

triadic

#45BBE9 #E945BB #BBE945

tetradic

#45BBE9 #C545E9 #E97345 #69E945

square

#45BBE9 #C545E9 #E97345 #69E945

split-complementary

#45BBE9 #E94569 #E9C545

monochromatic

#1379A1 #19A2D7 #45BBE9 #7CCFEF #B2E3F6

Accessibility & contrast

On white

2.20

#45BBE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.54

#45BBE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45BBE9

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45BBE9	#FFFFFF	#000000	##000000
##45BBE9	1.00	2.20	9.54	9.54
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.54	21.00	1.00	1.00
##000000	9.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B8EB

Deuteranopia (green-blind)

#8CA8E8

Tritanopia (blue-blind)

#00C8CA

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #45bbe9;
/* rgb */ color: rgb(69, 187, 233);
/* oklch */ color: oklch(74.5% 0.122 228.0);

Tailwind

colors: {
  custom: {
    50: '#8ccff0',
    500: '#45bbe9',
    950: '#000000',
  },
}

SCSS

$custom: #45bbe9;
$custom-light: #8ccff0;
$custom-dark: #000000;

JSON

{
  "hex": "#45bbe9",
  "rgb": {
    "r": 69,
    "g": 187,
    "b": 233
  },
  "hsl": {
    "h": 196.829,
    "s": 78.846,
    "l": 59.216
  },
  "oklch": {
    "l": 0.7452,
    "c": 0.12241,
    "h": 228
  },
  "luminance": 0.42689
}

Semantic roles & 50–950 ramp

primary

#45BBE9

secondary

#E5B7A5

accent

#6932F5

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #45BBE9

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

Preview Lab → · Contrast checker → · Palette generator →