#45B3DE#45B3DE

#45B3DE is a light, moderate cyan. Relative luminance 0.388; OKLCH L 72.2% C 0.116 H 227.8°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#45B3DE
RGB	rgb(69, 179, 222)
HSL	hsl(197, 70%, 57%)
HSV	hsv(197, 69%, 87%)
CMYK	cmyk(68.9%, 19.4%, 0%, 12.9%)
CIE-LAB	lab(68.59, -17.66, -30.71)
CIE-LCH	lch(68.59, 35.43, 240.09°)
OKLab	oklab(72.18% -0.078 -0.086)
OKLCH	oklch(72.18% 0.116 227.8)
XYZ	xyz(31.7539, 38.7758, 74.9040)
Luminance	0.3878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B3DE #DE7045

analogous

#45DEBD #45B3DE #4566DE

triadic

#45B3DE #DE45B3 #B3DE45

tetradic

#45B3DE #BD45DE #DE7045 #66DE45

square

#45B3DE #BD45DE #DE7045 #66DE45

split-complementary

#45B3DE #DE4566 #DEBD45

monochromatic

#196E8F #2396C3 #45B3DE #79C8E7 #ADDDF0

Accessibility & contrast

On white

2.40

#45B3DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#45B3DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3DE

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B3DE	#FFFFFF	#000000	##000000
##45B3DE	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB0E0

Deuteranopia (green-blind)

#87A1DD

Tritanopia (blue-blind)

#00BFC1

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #45b3de;
/* rgb */ color: rgb(69, 179, 222);
/* oklch */ color: oklch(72.2% 0.116 227.8);

Tailwind

colors: {
  custom: {
    50: '#8ac9e8',
    500: '#45b3de',
    950: '#000000',
  },
}

SCSS

$custom: #45b3de;
$custom-light: #8ac9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#45b3de",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 222
  },
  "hsl": {
    "h": 196.863,
    "s": 69.863,
    "l": 57.059
  },
  "oklch": {
    "l": 0.72179,
    "c": 0.11613,
    "h": 227.8
  },
  "luminance": 0.38779
}

Semantic roles & 50–950 ramp

primary

#45B3DE

secondary

#DFB2A0

accent

#6D3BED

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B3DE

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

Preview Lab → · Contrast checker → · Palette generator →