#45B5EA#45B5EA

#45B5EA is a light, vivid cyan. Relative luminance 0.403; OKLCH L 73.2% C 0.126 H 232.9°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#45B5EA
RGB	rgb(69, 181, 234)
HSL	hsl(199, 80%, 59%)
HSV	hsv(199, 71%, 92%)
CMYK	cmyk(70.5%, 22.6%, 0%, 8.2%)
CIE-LAB	lab(69.65, -14.85, -35.63)
CIE-LCH	lch(69.65, 38.60, 247.38°)
OKLab	oklab(73.18% -0.0758 -0.1001)
OKLCH	oklch(73.18% 0.126 232.9)
XYZ	xyz(33.8235, 40.2496, 83.8123)
Luminance	0.4025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B5EA #EA7A45

analogous

#45EACD #45B5EA #4563EA

triadic

#45B5EA #EA45B5 #B5EA45

tetradic

#45B5EA #CD45EA #EA7A45 #63EA45

square

#45B5EA #CD45EA #EA7A45 #63EA45

split-complementary

#45B5EA #EA4563 #EACD45

monochromatic

#1274A2 #199BD9 #45B5EA #7CCBF0 #B3E1F6

Accessibility & contrast

On white

2.32

#45B5EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#45B5EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B5EA

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B5EA	#FFFFFF	#000000	##000000
##45B5EA	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB3ED

Deuteranopia (green-blind)

#84A3E9

Tritanopia (blue-blind)

#00C3C7

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #45b5ea;
/* rgb */ color: rgb(69, 181, 234);
/* oklch */ color: oklch(73.2% 0.126 232.9);

Tailwind

colors: {
  custom: {
    50: '#8ccbf1',
    500: '#45b5ea',
    950: '#000000',
  },
}

SCSS

$custom: #45b5ea;
$custom-light: #8ccbf1;
$custom-dark: #000000;

JSON

{
  "hex": "#45b5ea",
  "rgb": {
    "r": 69,
    "g": 181,
    "b": 234
  },
  "hsl": {
    "h": 199.273,
    "s": 79.71,
    "l": 59.412
  },
  "oklch": {
    "l": 0.73182,
    "c": 0.12556,
    "h": 232.9
  },
  "luminance": 0.40253
}

Semantic roles & 50–950 ramp

primary

#45B5EA

secondary

#E6BAA5

accent

#7132F6

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #45B5EA

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

Preview Lab → · Contrast checker → · Palette generator →