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#116cb4

a dark, electric blue · cool · closest name: Steel Blue

RGB
17, 108, 180
HSL
207°, 83%, 39%
CMYK
91, 40, 0, 29
Luminance
0.1414

At a glance

Every number on this page in one read: what #116cb4 is made of, how bright it looks, and which way it leans.

Hex
#116cb4
Hue
207°
blue
Saturation
83%
electric
Lightness
39%
dark
Brightness
71%
HSV value
Perceived
40%
weighted brightness
Luminance
0.1414
WCAG relative
Temperature
Cool
99/100 cool
Color family
Blue
Tone
Electric
Best ink
White
5.49:1
Closest name
Steel Blue
ΔE2000 8.5
Where it sits
Hue207° of 360°
Saturation83%
Lightness39%
Temperature
Warm ← → Cool99% 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#116cb4
RGBrgb(17, 108, 180)
HSLhsl(207, 83%, 39%)
CMYKcmyk(91%, 40%, 0%, 29%)
LABlab(44.4 2.5 -45.0)
LCHlch(44.4 45.0 273.2)
OKLCHoklch(0.521 0.138 249.3)
Decimal1141940
Display P3color(display-p3 0.067 0.424 0.706)

Copy-ready code

/* CSS */
color: #116cb4;
background-color: #116cb4;
/* Tailwind (arbitrary) */
class="text-[#116cb4] bg-[#116cb4]"
/* SCSS */
$brand: #116cb4;
/* SwiftUI */
Color(red: 0.067, green: 0.424, blue: 0.706)
/* Android */
Color.parseColor("#116cb4")
/* Flutter */
Color(0xFF116CB4)
/* Python / OpenCV (BGR) */
(180, 108, 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 #116cb4 · 5.49:1
Use #ffffffAA at every size, AAA for large text only.
Aa
White text · 5.49:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 3.83:1
AA fail · AA large pass · AAA fail
Reading the other direction: #116cb4 as text scores 5.49:1 on white and 3.83:1 on black.

Accessibility — WCAG contrast

Aa
#116cb4 on white: 5.49:1
AA ✓ pass · AA-large · AAA
Aa
#116cb4 on black: 3.83:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #4871B7
deuteranopia · #2E63B3
tritanopia · #007D87

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #116cb4 is pinned to step 700; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F2F8FC
#E6F1FA
#C6E1F6
#99CCF5
#65B3F0
#329AEC
#1586E0
#116cb4
#0E5995
#0F436C
#092A43
Base = 700Lightest = 50 · #F2F8FCDarkest = 950 · #092A43
:root {
  --brand-50: #F2F8FC;
  --brand-100: #E6F1FA;
  --brand-200: #C6E1F6;
  --brand-300: #99CCF5;
  --brand-400: #65B3F0;
  --brand-500: #329AEC;
  --brand-600: #1586E0;
  --brand-700: #116cb4;
  --brand-800: #0E5995;
  --brand-900: #0F436C;
  --brand-950: #092A43;
  --brand: #116cb4;
  --brand-ink: #ffffff;
}

Colors that work with #116cb4

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#F4F8FA
Tinted page background
Border#C0D9ED
Hairlines and dividers
Muted text#4B779B
Captions on the surface
Accent#B82E0D
Second voice, not a rival
Dark variant#0B4674
Hover, pressed, headers
Light variant#E8F3FD
Selected rows, tints
Dark surface#141D24
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 #116cb4

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

Works well for
  • Body text and links on white
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Full-page backgrounds — tiring over long sessions
  • Black text placed on it
  • 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#B45911
Analogous left#11B4AA
Analogous right#111BB4
Split-complement 1#B4111B
Split-complement 2#B4AA11
Triadic 1#B4116C
Triadic 2#6CB411
Tetradic#AA11B4

RGB percentages

Red6.7%
Green42.4%
Blue70.6%

CMYK percentages

Cyan90.6%
Magenta40.0%
Yellow0.0%
Key (black)29.4%

Color previews

#116cb4 text on a black background

contrast 3.83:1

Card sample

#116cb4 text on a white background

contrast 5.49:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #116cb4;
Background color
Panel with #116cb4 background
background-color: #116cb4;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #116cb4;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(17, 108, 180, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(17, 108, 180, 0.45);
Border & gradient
Gradient panel
border: 3px solid #116cb4;
background: linear-gradient(135deg, #116cb4, #2311B4);

Monochromatic scale

Palettes built from #116cb4

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.

#116cb4 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.

#116cb4, answered

What color is #116cb4?

#116cb4 is a dark electric blue, closest to Steel Blue (ΔE2000 8.5). It sits at 207° on the hue wheel with 83% saturation and 39% lightness, which reads as cool.

What is the RGB value of #116cb4?

rgb(17, 108, 180) — 17 red, 108 green and 180 blue out of 255, or 6.7% / 42.4% / 70.6% by channel.

Is #116cb4 a light or a dark color?

It is a dark color. Relative luminance is 0.1414 and perceived brightness is 40%, so white text on it reaches 5.49:1.

Should I use black or white text on #116cb4?

White. It scores 5.49:1 against #116cb4, versus 3.83:1 for black — AA at any size.

What is the complementary color of #116cb4?

#B45911 sits directly opposite on the wheel. Softer options are the split-complements #B4111B and #B4AA11, which give the same contrast with far less vibration.

What colors go well with #116cb4?

For interface work: #F4F8FA as the surface, #C0D9ED for borders, #4B779B for secondary text, #B82E0D as an accent and #0B4674 for hover and pressed states. For a palette, the analogous pair #11B4AA and #111BB4 stays calm, while #B45911 is the loudest partner.

What is #116cb4 in CMYK for printing?

cmyk(91%, 40%, 0%, 29%). 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 #116cb4 warm or cool?

Cool — it scores 99 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #1130B4; nudged cooler, #0D579E.

Work with #116cb4 in the Color Lab