#45B4DF#45B4DF

#45B4DF is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.5% C 0.117 H 227.6°. Best body text is #000000 at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#45B4DF
RGB	rgb(69, 180, 223)
HSL	hsl(197, 71%, 57%)
HSV	hsv(197, 69%, 87%)
CMYK	cmyk(69.1%, 19.3%, 0%, 12.5%)
CIE-LAB	lab(68.92, -17.87, -30.75)
CIE-LCH	lch(68.92, 35.56, 239.84°)
OKLab	oklab(72.46% -0.0786 -0.0861)
OKLCH	oklch(72.46% 0.117 227.6)
XYZ	xyz(32.0894, 39.2318, 75.6790)
Luminance	0.3923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B4DF #DF7045

analogous

#45DFBD #45B4DF #4567DF

triadic

#45B4DF #DF45B4 #B4DF45

tetradic

#45B4DF #BD45DF #DF7045 #67DF45

square

#45B4DF #BD45DF #DF7045 #67DF45

split-complementary

#45B4DF #DF4567 #DFBD45

monochromatic

#196F91 #2297C5 #45B4DF #79C9E8 #ADDEF1

Accessibility & contrast

On white

2.37

#45B4DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.85

#45B4DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B4DF

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B4DF	#FFFFFF	#000000	##000000
##45B4DF	1.00	2.37	8.85	8.85
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.85	21.00	1.00	1.00
##000000	8.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB1E1

Deuteranopia (green-blind)

#88A1DE

Tritanopia (blue-blind)

#00C0C2

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #45b4df;
/* rgb */ color: rgb(69, 180, 223);
/* oklch */ color: oklch(72.5% 0.117 227.6);

Tailwind

colors: {
  custom: {
    50: '#8bcae9',
    500: '#45b4df',
    950: '#000000',
  },
}

SCSS

$custom: #45b4df;
$custom-light: #8bcae9;
$custom-dark: #000000;

JSON

{
  "hex": "#45b4df",
  "rgb": {
    "r": 69,
    "g": 180,
    "b": 223
  },
  "hsl": {
    "h": 196.753,
    "s": 70.642,
    "l": 57.255
  },
  "oklch": {
    "l": 0.72456,
    "c": 0.11662,
    "h": 227.6
  },
  "luminance": 0.39235
}

Semantic roles & 50–950 ramp

primary

#45B4DF

secondary

#DFB2A1

accent

#6C3AED

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B4DF

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

Preview Lab → · Contrast checker → · Palette generator →