#45B9DF#45B9DF

#45B9DF is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.6% C 0.115 H 223.6°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#45B9DF
RGB	rgb(69, 185, 223)
HSL	hsl(195, 71%, 57%)
HSV	hsv(195, 69%, 87%)
CMYK	cmyk(69.1%, 17%, 0%, 12.5%)
CIE-LAB	lab(70.38, -20.48, -28.50)
CIE-LCH	lch(70.38, 35.10, 234.31°)
OKLab	oklab(73.62% -0.0836 -0.0797)
OKLCH	oklch(73.62% 0.115 223.6)
XYZ	xyz(33.1171, 41.2871, 76.0216)
Luminance	0.4129 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B9DF #DF6B45

analogous

#45DFB8 #45B9DF #456CDF

triadic

#45B9DF #DF45B9 #B9DF45

tetradic

#45B9DF #B845DF #DF6B45 #6CDF45

square

#45B9DF #B845DF #DF6B45 #6CDF45

split-complementary

#45B9DF #DF456C #DFB845

monochromatic

#197391 #229DC5 #45B9DF #79CDE8 #ADE0F1

Accessibility & contrast

On white

2.27

#45B9DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#45B9DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B9DF

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B9DF	#FFFFFF	#000000	##000000
##45B9DF	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B5E1

Deuteranopia (green-blind)

#8EA5DF

Tritanopia (blue-blind)

#00C5C5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #45b9df;
/* rgb */ color: rgb(69, 185, 223);
/* oklch */ color: oklch(73.6% 0.115 223.6);

Tailwind

colors: {
  custom: {
    50: '#8bcee9',
    500: '#45b9df',
    950: '#000000',
  },
}

SCSS

$custom: #45b9df;
$custom-light: #8bcee9;
$custom-dark: #000000;

JSON

{
  "hex": "#45b9df",
  "rgb": {
    "r": 69,
    "g": 185,
    "b": 223
  },
  "hsl": {
    "h": 194.805,
    "s": 70.642,
    "l": 57.255
  },
  "oklch": {
    "l": 0.73622,
    "c": 0.11547,
    "h": 223.6
  },
  "luminance": 0.41291
}

Semantic roles & 50–950 ramp

primary

#45B9DF

secondary

#DFB0A1

accent

#673AED

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B9DF

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

Preview Lab → · Contrast checker → · Palette generator →