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#116df8

a balanced, electric blue · cool · closest name: Royal Blue

RGB
17, 109, 248
HSL
216°, 94%, 52%
CMYK
93, 56, 0, 3
Luminance
0.1783

At a glance

Every number on this page in one read: what #116df8 is made of, how bright it looks, and which way it leans.

Hex
#116df8
Hue
216°
blue
Saturation
94%
electric
Lightness
52%
balanced
Brightness
97%
HSV value
Perceived
47%
weighted brightness
Luminance
0.1783
WCAG relative
Temperature
Cool
97/100 cool
Color family
Blue
Tone
Electric
Best ink
White
4.60:1
Closest name
Royal Blue
ΔE2000 3.6
Where it sits
Hue216° of 360°
Saturation94%
Lightness52%
Temperature
Warm ← → Cool97% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Every format

HEX#116df8
RGBrgb(17, 109, 248)
HSLhsl(216, 94%, 52%)
CMYKcmyk(93%, 56%, 0%, 3%)
LABlab(49.3 28.5 -75.8)
LCHlch(49.3 81.0 290.6)
OKLCHoklch(0.573 0.223 260.0)
Decimal1142264
Display P3color(display-p3 0.067 0.427 0.973)

Copy-ready code

/* CSS */
color: #116df8;
background-color: #116df8;
/* Tailwind (arbitrary) */
class="text-[#116df8] bg-[#116df8]"
/* SCSS */
$brand: #116df8;
/* SwiftUI */
Color(red: 0.067, green: 0.427, blue: 0.973)
/* Android */
Color.parseColor("#116df8")
/* Flutter */
Color(0xFF116DF8)
/* Python / OpenCV (BGR) */
(248, 109, 17)

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#ffffff on #116df8 · 4.60:1
Use #ffffffAA at every size, AAA for large text only.
Aa
White text · 4.60:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 4.57:1
AA pass · AA large pass · AAA fail
Reading the other direction: #116df8 as text scores 4.60:1 on white and 4.57:1 on black.

Accessibility — WCAG contrast

Aa
#116df8 on white: 4.60:1
AA ✓ pass · AA-large · AAA
Aa
#116df8 on black: 4.57:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #007FFD
deuteranopia · #006CF5
tritanopia · #0090A8

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #116df8 is pinned to step 500; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F2F6FD
#E4EDFB
#C2D8FA
#92BCFC
#5B9BFA
#116df8
#0763EE
#0652C6
#05429F
#083272
#052047
Base = 500Lightest = 50 · #F2F6FDDarkest = 950 · #052047
:root {
  --brand-50: #F2F6FD;
  --brand-100: #E4EDFB;
  --brand-200: #C2D8FA;
  --brand-300: #92BCFC;
  --brand-400: #5B9BFA;
  --brand-500: #116df8;
  --brand-600: #0763EE;
  --brand-700: #0652C6;
  --brand-800: #05429F;
  --brand-900: #083272;
  --brand-950: #052047;
  --brand: #116df8;
  --brand-ink: #ffffff;
}

Colors that work with #116df8

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#ffffff
White wins here
Surface#F4F7FA
Tinted page background
Border#C0D2ED
Hairlines and dividers
Muted text#4B6B9B
Captions on the surface
Accent#CA4902
Second voice, not a rival
Dark variant#04347C
Hover, pressed, headers
Light variant#E6F0FE
Selected rows, tints
Dark surface#141A24
Dark-mode background
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

How to use #116df8

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Body text and links on white
  • Text and icons on dark surfaces
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Brand accents, badges and data highlights
Use with care
  • Full-page backgrounds — tiring over long sessions
  • Pairing with a same-lightness hue — edges vibrate

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#F89C11
Analogous left#11E1F8
Analogous right#2911F8
Split-complement 1#F82911
Split-complement 2#E1F811
Triadic 1#F8116D
Triadic 2#6DF811
Tetradic#F811E1

RGB percentages

Red6.7%
Green42.7%
Blue97.3%

CMYK percentages

Cyan93.1%
Magenta56.0%
Yellow0.0%
Key (black)2.7%

Color previews

#116df8 text on a black background

contrast 4.57:1

Card sample

#116df8 text on a white background

contrast 4.60:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #116df8;
Background color
Panel with #116df8 background
background-color: #116df8;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #116df8;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(17, 109, 248, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(17, 109, 248, 0.45);
Border & gradient
Gradient panel
border: 3px solid #116df8;
background: linear-gradient(135deg, #116df8, #4F11F8);

Monochromatic scale

Palettes built from #116df8

Shades — darker

Tints — lighter

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#116df8 in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
TechnologyFinanceHealthcareEnterprise SaaS
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.

#116df8, answered

What color is #116df8?

#116df8 is a balanced electric blue, closest to Royal Blue (ΔE2000 3.6). It sits at 216° on the hue wheel with 94% saturation and 52% lightness, which reads as cool.

What is the RGB value of #116df8?

rgb(17, 109, 248) — 17 red, 109 green and 248 blue out of 255, or 6.7% / 42.7% / 97.3% by channel.

Is #116df8 a light or a dark color?

It is a dark color. Relative luminance is 0.1783 and perceived brightness is 47%, so white text on it reaches 4.60:1.

Should I use black or white text on #116df8?

White. It scores 4.60:1 against #116df8, versus 4.57:1 for black — AA at any size.

What is the complementary color of #116df8?

#F89C11 sits directly opposite on the wheel. Softer options are the split-complements #F82911 and #E1F811, which give the same contrast with far less vibration.

What colors go well with #116df8?

For interface work: #F4F7FA as the surface, #C0D2ED for borders, #4B6B9B for secondary text, #CA4902 as an accent and #04347C for hover and pressed states. For a palette, the analogous pair #11E1F8 and #2911F8 stays calm, while #F89C11 is the loudest partner.

What is #116df8 in CMYK for printing?

cmyk(93%, 56%, 0%, 3%). This is a screen-to-ink approximation — a color this saturated sits outside most CMYK gamuts and will print duller than it looks here.

Is #116df8 warm or cool?

Cool — it scores 97 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #1118F8; nudged cooler, #0468EB.

Work with #116df8 in the Color Lab