#45B3D9#45B3D9

#45B3D9 is a light, moderate cyan. Relative luminance 0.385; OKLCH L 72.0% C 0.112 H 224.7°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#45B3D9
RGB	rgb(69, 179, 217)
HSL	hsl(195, 66%, 56%)
HSV	hsv(195, 68%, 85%)
CMYK	cmyk(68.2%, 17.5%, 0%, 14.9%)
CIE-LAB	lab(68.40, -19.26, -28.27)
CIE-LCH	lch(68.40, 34.20, 235.74°)
OKLab	oklab(71.96% -0.0798 -0.079)
OKLCH	oklch(71.96% 0.112 224.7)
XYZ	xyz(31.0936, 38.5117, 71.4270)
Luminance	0.3851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B3D9 #D96B45

analogous

#45D9B5 #45B3D9 #4569D9

triadic

#45B3D9 #D945B3 #B3D945

tetradic

#45B3D9 #B545D9 #D96B45 #69D945

square

#45B3D9 #B545D9 #D96B45 #69D945

split-complementary

#45B3D9 #D94569 #D9B545

monochromatic

#1C6C88 #2695BB #45B3D9 #78C8E3 #ABDDEE

Accessibility & contrast

On white

2.41

#45B3D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.70

#45B3D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3D9

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B3D9	#FFFFFF	#000000	##000000
##45B3D9	1.00	2.41	8.70	8.70
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.70	21.00	1.00	1.00
##000000	8.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EAFDB

Deuteranopia (green-blind)

#89A0D9

Tritanopia (blue-blind)

#00BEBF

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #45b3d9;
/* rgb */ color: rgb(69, 179, 217);
/* oklch */ color: oklch(72.0% 0.112 224.7);

Tailwind

colors: {
  custom: {
    50: '#8ac9e4',
    500: '#45b3d9',
    950: '#000000',
  },
}

SCSS

$custom: #45b3d9;
$custom-light: #8ac9e4;
$custom-dark: #000000;

JSON

{
  "hex": "#45b3d9",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 217
  },
  "hsl": {
    "h": 195.405,
    "s": 66.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.71962,
    "c": 0.11234,
    "h": 224.7
  },
  "luminance": 0.38515
}

Semantic roles & 50–950 ramp

primary

#45B3D9

secondary

#DBAE9E

accent

#6A3FE9

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #45B3D9

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

Preview Lab → · Contrast checker → · Palette generator →