#45B4DD#45B4DD

#45B4DD is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.4% C 0.115 H 226.4°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#45B4DD
RGB	rgb(69, 180, 221)
HSL	hsl(196, 69%, 57%)
HSV	hsv(196, 69%, 87%)
CMYK	cmyk(68.8%, 18.6%, 0%, 13.3%)
CIE-LAB	lab(68.84, -18.51, -29.77)
CIE-LCH	lch(68.84, 35.06, 238.13°)
OKLab	oklab(72.37% -0.0794 -0.0833)
OKLCH	oklch(72.37% 0.115 226.4)
XYZ	xyz(31.8214, 39.1246, 74.2673)
Luminance	0.3913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B4DD #DD6E45

analogous

#45DDBA #45B4DD #4568DD

triadic

#45B4DD #DD45B4 #B4DD45

tetradic

#45B4DD #BA45DD #DD6E45 #68DD45

square

#45B4DD #BA45DD #DD6E45 #68DD45

split-complementary

#45B4DD #DD4568 #DDBA45

monochromatic

#1A6E8E #2397C1 #45B4DD #79C9E6 #ACDEF0

Accessibility & contrast

On white

2.38

#45B4DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#45B4DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B4DD

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B4DD	#FFFFFF	#000000	##000000
##45B4DD	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB1DF

Deuteranopia (green-blind)

#89A1DD

Tritanopia (blue-blind)

#00C0C1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #45b4dd;
/* rgb */ color: rgb(69, 180, 221);
/* oklch */ color: oklch(72.4% 0.115 226.4);

Tailwind

colors: {
  custom: {
    50: '#8acae7',
    500: '#45b4dd',
    950: '#000000',
  },
}

SCSS

$custom: #45b4dd;
$custom-light: #8acae7;
$custom-dark: #000000;

JSON

{
  "hex": "#45b4dd",
  "rgb": {
    "r": 69,
    "g": 180,
    "b": 221
  },
  "hsl": {
    "h": 196.184,
    "s": 69.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.72369,
    "c": 0.11508,
    "h": 226.4
  },
  "luminance": 0.39128
}

Semantic roles & 50–950 ramp

primary

#45B4DD

secondary

#DEB1A0

accent

#6B3CEC

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B4DD

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

Preview Lab → · Contrast checker → · Palette generator →