#45BBF0#45BBF0

#45BBF0 is a light, vivid cyan. Relative luminance 0.431; OKLCH L 74.8% C 0.128 H 231.7°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#45BBF0
RGB	rgb(69, 187, 240)
HSL	hsl(199, 85%, 61%)
HSV	hsv(199, 71%, 94%)
CMYK	cmyk(71.3%, 22.1%, 0%, 5.9%)
CIE-LAB	lab(71.62, -16.08, -35.82)
CIE-LCH	lch(71.62, 39.27, 245.83°)
OKLab	oklab(74.83% -0.0795 -0.1007)
OKLCH	oklch(74.83% 0.128 231.7)
XYZ	xyz(35.9464, 43.0930, 88.8445)
Luminance	0.4310 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45BBF0 #F07A45

analogous

#45F0CF #45BBF0 #4566F0

triadic

#45BBF0 #F045BB #BBF045

tetradic

#45BBF0 #CF45F0 #F07A45 #66F045

square

#45BBF0 #CF45F0 #F07A45 #66F045

split-complementary

#45BBF0 #F04566 #F0CF45

monochromatic

#0E7BAD #12A4E5 #45BBF0 #7ED0F5 #B6E4F9

Accessibility & contrast

On white

2.18

#45BBF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.62

#45BBF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45BBF0

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45BBF0	#FFFFFF	#000000	##000000
##45BBF0	1.00	2.18	9.62	9.62
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.62	21.00	1.00	1.00
##000000	9.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B9F3

Deuteranopia (green-blind)

#89A8EF

Tritanopia (blue-blind)

#00C9CD

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #45bbf0;
/* rgb */ color: rgb(69, 187, 240);
/* oklch */ color: oklch(74.8% 0.128 231.7);

Tailwind

colors: {
  custom: {
    50: '#8dcff5',
    500: '#45bbf0',
    950: '#000000',
  },
}

SCSS

$custom: #45bbf0;
$custom-light: #8dcff5;
$custom-dark: #000000;

JSON

{
  "hex": "#45bbf0",
  "rgb": {
    "r": 69,
    "g": 187,
    "b": 240
  },
  "hsl": {
    "h": 198.596,
    "s": 85.075,
    "l": 60.588
  },
  "oklch": {
    "l": 0.74833,
    "c": 0.12824,
    "h": 231.7
  },
  "luminance": 0.43097
}

Semantic roles & 50–950 ramp

primary

#45BBF0

secondary

#E9BCA8

accent

#4904E2

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #45BBF0

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

Preview Lab → · Contrast checker → · Palette generator →