#45B1DD#45B1DD

#45B1DD is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.7% C 0.116 H 228.8°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#45B1DD
RGB	rgb(69, 177, 221)
HSL	hsl(197, 69%, 57%)
HSV	hsv(197, 69%, 87%)
CMYK	cmyk(68.8%, 19.9%, 0%, 13.3%)
CIE-LAB	lab(67.97, -16.93, -31.13)
CIE-LCH	lch(67.97, 35.43, 241.46°)
OKLab	oklab(71.67% -0.0764 -0.0872)
OKLCH	oklch(71.67% 0.116 228.8)
XYZ	xyz(31.2223, 37.9265, 74.0676)
Luminance	0.3793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B1DD #DD7145

analogous

#45DDBD #45B1DD #4565DD

triadic

#45B1DD #DD45B1 #B1DD45

tetradic

#45B1DD #BD45DD #DD7145 #65DD45

square

#45B1DD #BD45DD #DD7145 #65DD45

split-complementary

#45B1DD #DD4565 #DDBD45

monochromatic

#1A6C8E #2394C1 #45B1DD #79C7E6 #ACDCF0

Accessibility & contrast

On white

2.45

#45B1DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#45B1DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B1DD

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B1DD	#FFFFFF	#000000	##000000
##45B1DD	1.00	2.45	8.59	8.59
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.59	21.00	1.00	1.00
##000000	8.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AAEDF

Deuteranopia (green-blind)

#859FDC

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #45b1dd;
/* rgb */ color: rgb(69, 177, 221);
/* oklch */ color: oklch(71.7% 0.116 228.8);

Tailwind

colors: {
  custom: {
    50: '#8ac8e7',
    500: '#45b1dd',
    950: '#000000',
  },
}

SCSS

$custom: #45b1dd;
$custom-light: #8ac8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#45b1dd",
  "rgb": {
    "r": 69,
    "g": 177,
    "b": 221
  },
  "hsl": {
    "h": 197.368,
    "s": 69.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.71669,
    "c": 0.11594,
    "h": 228.8
  },
  "luminance": 0.3793
}

Semantic roles & 50–950 ramp

primary

#45B1DD

secondary

#DEB2A0

accent

#6F3CEC

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B1DD

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

Preview Lab → · Contrast checker → · Palette generator →