#45B1DB#45B1DB

#45B1DB is a light, moderate cyan. Relative luminance 0.378; OKLCH L 71.6% C 0.114 H 227.6°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#45B1DB
RGB	rgb(69, 177, 219)
HSL	hsl(197, 68%, 56%)
HSV	hsv(197, 68%, 86%)
CMYK	cmyk(68.5%, 19.2%, 0%, 14.1%)
CIE-LAB	lab(67.89, -17.57, -30.15)
CIE-LCH	lch(67.89, 34.90, 239.77°)
OKLab	oklab(71.58% -0.0771 -0.0844)
OKLCH	oklch(71.58% 0.114 227.6)
XYZ	xyz(30.9574, 37.8205, 72.6727)
Luminance	0.3782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B1DB #DB6F45

analogous

#45DBBA #45B1DB #4566DB

triadic

#45B1DB #DB45B1 #B1DB45

tetradic

#45B1DB #BA45DB #DB6F45 #66DB45

square

#45B1DB #BA45DB #DB6F45 #66DB45

split-complementary

#45B1DB #DB4566 #DBBA45

monochromatic

#1B6B8B #2593BE #45B1DB #78C7E5 #ACDCEF

Accessibility & contrast

On white

2.45

#45B1DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#45B1DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B1DB

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B1DB	#FFFFFF	#000000	##000000
##45B1DB	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAEDD

Deuteranopia (green-blind)

#869FDA

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #45b1db;
/* rgb */ color: rgb(69, 177, 219);
/* oklch */ color: oklch(71.6% 0.114 227.6);

Tailwind

colors: {
  custom: {
    50: '#8ac8e6',
    500: '#45b1db',
    950: '#000000',
  },
}

SCSS

$custom: #45b1db;
$custom-light: #8ac8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#45b1db",
  "rgb": {
    "r": 69,
    "g": 177,
    "b": 219
  },
  "hsl": {
    "h": 196.8,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.71581,
    "c": 0.11434,
    "h": 227.6
  },
  "luminance": 0.37824
}

Semantic roles & 50–950 ramp

primary

#45B1DB

secondary

#DDB09F

accent

#6E3DEA

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B1DB

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

Preview Lab → · Contrast checker → · Palette generator →