#45B8E9#45B8E9

#45B8E9 is a light, vivid cyan. Relative luminance 0.414; OKLCH L 73.8% C 0.123 H 230.2°. Best body text is #000000 at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#45B8E9
RGB	rgb(69, 184, 233)
HSL	hsl(198, 79%, 59%)
HSV	hsv(198, 70%, 91%)
CMYK	cmyk(70.4%, 21%, 0%, 8.6%)
CIE-LAB	lab(70.47, -16.76, -33.80)
CIE-LCH	lch(70.47, 37.73, 243.62°)
OKLab	oklab(73.83% -0.079 -0.0948)
OKLCH	oklch(73.83% 0.123 230.2)
XYZ	xyz(34.2968, 41.4255, 83.2634)
Luminance	0.4143 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B8E9 #E97645

analogous

#45E9C8 #45B8E9 #4566E9

triadic

#45B8E9 #E945B8 #B8E945

tetradic

#45B8E9 #C845E9 #E97645 #66E945

square

#45B8E9 #C845E9 #E97645 #66E945

split-complementary

#45B8E9 #E94566 #E9C845

monochromatic

#1376A1 #199FD7 #45B8E9 #7CCDEF #B2E2F6

Accessibility & contrast

On white

2.26

#45B8E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.29

#45B8E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B8E9

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B8E9	#FFFFFF	#000000	##000000
##45B8E9	1.00	2.26	9.29	9.29
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.29	21.00	1.00	1.00
##000000	9.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB5EB

Deuteranopia (green-blind)

#89A5E8

Tritanopia (blue-blind)

#00C6C8

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #45b8e9;
/* rgb */ color: rgb(69, 184, 233);
/* oklch */ color: oklch(73.8% 0.123 230.2);

Tailwind

colors: {
  custom: {
    50: '#8ccdf0',
    500: '#45b8e9',
    950: '#000000',
  },
}

SCSS

$custom: #45b8e9;
$custom-light: #8ccdf0;
$custom-dark: #000000;

JSON

{
  "hex": "#45b8e9",
  "rgb": {
    "r": 69,
    "g": 184,
    "b": 233
  },
  "hsl": {
    "h": 197.927,
    "s": 78.846,
    "l": 59.216
  },
  "oklch": {
    "l": 0.73827,
    "c": 0.12344,
    "h": 230.2
  },
  "luminance": 0.41429
}

Semantic roles & 50–950 ramp

primary

#45B8E9

secondary

#E5B8A5

accent

#6D32F5

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #45B8E9

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

Preview Lab → · Contrast checker → · Palette generator →