#45B3E1#45B3E1

#45B3E1 is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.3% C 0.119 H 229.5°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#45B3E1
RGB	rgb(69, 179, 225)
HSL	hsl(198, 72%, 58%)
HSV	hsv(198, 69%, 88%)
CMYK	cmyk(69.3%, 20.4%, 0%, 11.8%)
CIE-LAB	lab(68.71, -16.70, -32.17)
CIE-LCH	lch(68.71, 36.25, 242.57°)
OKLab	oklab(72.31% -0.0769 -0.0902)
OKLCH	oklch(72.31% 0.119 229.5)
XYZ	xyz(32.1595, 38.9380, 77.0405)
Luminance	0.3894 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B3E1 #E17345

analogous

#45E1C1 #45B3E1 #4565E1

triadic

#45B3E1 #E145B3 #B3E145

tetradic

#45B3E1 #C145E1 #E17345 #65E145

square

#45B3E1 #C145E1 #E17345 #65E145

split-complementary

#45B3E1 #E14565 #E1C145

monochromatic

#186F94 #2097C8 #45B3E1 #7AC9E9 #AEDEF2

Accessibility & contrast

On white

2.39

#45B3E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#45B3E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3E1

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B3E1	#FFFFFF	#000000	##000000
##45B3E1	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB0E3

Deuteranopia (green-blind)

#86A1E0

Tritanopia (blue-blind)

#00C0C2

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #45b3e1;
/* rgb */ color: rgb(69, 179, 225);
/* oklch */ color: oklch(72.3% 0.119 229.5);

Tailwind

colors: {
  custom: {
    50: '#8bc9ea',
    500: '#45b3e1',
    950: '#000000',
  },
}

SCSS

$custom: #45b3e1;
$custom-light: #8bc9ea;
$custom-dark: #000000;

JSON

{
  "hex": "#45b3e1",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 225
  },
  "hsl": {
    "h": 197.692,
    "s": 72.222,
    "l": 57.647
  },
  "oklch": {
    "l": 0.72312,
    "c": 0.11856,
    "h": 229.5
  },
  "luminance": 0.38942
}

Semantic roles & 50–950 ramp

primary

#45B3E1

secondary

#E0B4A2

accent

#6F39EF

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B3E1

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

Preview Lab → · Contrast checker → · Palette generator →