#45B3EA#45B3EA

#45B3EA is a light, vivid cyan. Relative luminance 0.394; OKLCH L 72.7% C 0.127 H 234.3°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#45B3EA
RGB	rgb(69, 179, 234)
HSL	hsl(200, 80%, 59%)
HSV	hsv(200, 71%, 92%)
CMYK	cmyk(70.5%, 23.5%, 0%, 8.2%)
CIE-LAB	lab(69.07, -13.78, -36.52)
CIE-LCH	lch(69.07, 39.03, 249.33°)
OKLab	oklab(72.72% -0.0738 -0.1027)
OKLCH	oklch(72.72% 0.127 234.3)
XYZ	xyz(33.4197, 39.4421, 83.6777)
Luminance	0.3945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B3EA #EA7C45

analogous

#45EACF #45B3EA #4561EA

triadic

#45B3EA #EA45B3 #B3EA45

tetradic

#45B3EA #CF45EA #EA7C45 #61EA45

square

#45B3EA #CF45EA #EA7C45 #61EA45

split-complementary

#45B3EA #EA4561 #EACF45

monochromatic

#1272A2 #1999D9 #45B3EA #7CC9F0 #B3E0F6

Accessibility & contrast

On white

2.36

#45B3EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#45B3EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3EA

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B3EA	#FFFFFF	#000000	##000000
##45B3EA	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B2ED

Deuteranopia (green-blind)

#82A1E9

Tritanopia (blue-blind)

#00C2C6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #45b3ea;
/* rgb */ color: rgb(69, 179, 234);
/* oklch */ color: oklch(72.7% 0.127 234.3);

Tailwind

colors: {
  custom: {
    50: '#8cc9f1',
    500: '#45b3ea',
    950: '#000000',
  },
}

SCSS

$custom: #45b3ea;
$custom-light: #8cc9f1;
$custom-dark: #000000;

JSON

{
  "hex": "#45b3ea",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 234
  },
  "hsl": {
    "h": 200,
    "s": 79.71,
    "l": 59.412
  },
  "oklch": {
    "l": 0.72723,
    "c": 0.12651,
    "h": 234.3
  },
  "luminance": 0.39446
}

Semantic roles & 50–950 ramp

primary

#45B3EA

secondary

#E6BBA5

accent

#7332F6

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #45B3EA

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

Preview Lab → · Contrast checker → · Palette generator →