#45B3DC#45B3DC

#45B3DC is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.1% C 0.115 H 226.6°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#45B3DC
RGB	rgb(69, 179, 220)
HSL	hsl(196, 68%, 57%)
HSV	hsv(196, 69%, 86%)
CMYK	cmyk(68.6%, 18.6%, 0%, 13.7%)
CIE-LAB	lab(68.51, -18.30, -29.74)
CIE-LCH	lch(68.51, 34.92, 238.39°)
OKLab	oklab(72.09% -0.0787 -0.0832)
OKLCH	oklch(72.09% 0.115 226.6)
XYZ	xyz(31.4874, 38.6692, 73.5007)
Luminance	0.3867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B3DC #DC6E45

analogous

#45DCB9 #45B3DC #4568DC

triadic

#45B3DC #DC45B3 #B3DC45

tetradic

#45B3DC #B945DC #DC6E45 #68DC45

square

#45B3DC #B945DC #DC6E45 #68DC45

split-complementary

#45B3DC #DC4568 #DCB945

monochromatic

#1A6D8C #2495C0 #45B3DC #79C8E6 #ACDDEF

Accessibility & contrast

On white

2.40

#45B3DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#45B3DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3DC

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B3DC	#FFFFFF	#000000	##000000
##45B3DC	1.00	2.40	8.73	8.73
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB0DE

Deuteranopia (green-blind)

#88A0DC

Tritanopia (blue-blind)

#00BFC0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #45b3dc;
/* rgb */ color: rgb(69, 179, 220);
/* oklch */ color: oklch(72.1% 0.115 226.6);

Tailwind

colors: {
  custom: {
    50: '#8ac9e7',
    500: '#45b3dc',
    950: '#000000',
  },
}

SCSS

$custom: #45b3dc;
$custom-light: #8ac9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#45b3dc",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 220
  },
  "hsl": {
    "h": 196.291,
    "s": 68.326,
    "l": 56.667
  },
  "oklch": {
    "l": 0.72092,
    "c": 0.11457,
    "h": 226.6
  },
  "luminance": 0.38673
}

Semantic roles & 50–950 ramp

primary

#45B3DC

secondary

#DDB0A0

accent

#6C3DEB

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B3DC

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

Preview Lab → · Contrast checker → · Palette generator →