#45B5DF#45B5DF

#45B5DF is a light, moderate cyan. Relative luminance 0.396; OKLCH L 72.7% C 0.116 H 226.8°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#45B5DF
RGB	rgb(69, 181, 223)
HSL	hsl(196, 71%, 57%)
HSV	hsv(196, 69%, 87%)
CMYK	cmyk(69.1%, 18.8%, 0%, 12.5%)
CIE-LAB	lab(69.21, -18.40, -30.30)
CIE-LCH	lch(69.21, 35.45, 238.74°)
OKLab	oklab(72.69% -0.0796 -0.0848)
OKLCH	oklch(72.69% 0.116 226.8)
XYZ	xyz(32.2920, 39.6370, 75.7466)
Luminance	0.3964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B5DF #DF6F45

analogous

#45DFBC #45B5DF #4568DF

triadic

#45B5DF #DF45B5 #B5DF45

tetradic

#45B5DF #BC45DF #DF6F45 #68DF45

square

#45B5DF #BC45DF #DF6F45 #68DF45

split-complementary

#45B5DF #DF4568 #DFBC45

monochromatic

#197091 #2298C5 #45B5DF #79CAE8 #ADDFF1

Accessibility & contrast

On white

2.35

#45B5DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#45B5DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B5DF

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B5DF	#FFFFFF	#000000	##000000
##45B5DF	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB2E1

Deuteranopia (green-blind)

#89A2DE

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #45b5df;
/* rgb */ color: rgb(69, 181, 223);
/* oklch */ color: oklch(72.7% 0.116 226.8);

Tailwind

colors: {
  custom: {
    50: '#8bcbe9',
    500: '#45b5df',
    950: '#000000',
  },
}

SCSS

$custom: #45b5df;
$custom-light: #8bcbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#45b5df",
  "rgb": {
    "r": 69,
    "g": 181,
    "b": 223
  },
  "hsl": {
    "h": 196.364,
    "s": 70.642,
    "l": 57.255
  },
  "oklch": {
    "l": 0.72689,
    "c": 0.11635,
    "h": 226.8
  },
  "luminance": 0.39641
}

Semantic roles & 50–950 ramp

primary

#45B5DF

secondary

#DFB2A1

accent

#6B3AED

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #45B5DF

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

Preview Lab → · Contrast checker → · Palette generator →