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#4fc8eb

a balanced, electric cyan · cool · closest name: Sky Blue

RGB
79, 200, 235
HSL
194°, 80%, 62%
CMYK
66, 15, 0, 8
Luminance
0.4897

At a glance

Every number on this page in one read: what #4fc8eb is made of, how bright it looks, and which way it leans.

Hex
#4fc8eb
Hue
194°
cyan
Saturation
80%
electric
Lightness
62%
balanced
Brightness
92%
HSV value
Perceived
70%
weighted brightness
Luminance
0.4897
WCAG relative
Temperature
Cool
93/100 cool
Color family
Cyan
Tone
Electric
Best ink
Black
10.79:1
Closest name
Sky Blue
ΔE2000 5.3
Where it sits
Hue194° of 360°
Saturation80%
Lightness62%
Temperature
Warm ← → Cool93% 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#4fc8eb
RGBrgb(79, 200, 235)
HSLhsl(194, 80%, 62%)
CMYKcmyk(66%, 15%, 0%, 8%)
LABlab(75.4 -23.0 -27.2)
LCHlch(75.4 35.6 229.9)
OKLCHoklch(0.779 0.117 220.5)
Decimal5228779
Display P3color(display-p3 0.310 0.784 0.922)

Copy-ready code

/* CSS */
color: #4fc8eb;
background-color: #4fc8eb;
/* Tailwind (arbitrary) */
class="text-[#4fc8eb] bg-[#4fc8eb]"
/* SCSS */
$brand: #4fc8eb;
/* SwiftUI */
Color(red: 0.310, green: 0.784, blue: 0.922)
/* Android */
Color.parseColor("#4fc8eb")
/* Flutter */
Color(0xFF4FC8EB)
/* Python / OpenCV (BGR) */
(235, 200, 79)

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#000000 on #4fc8eb · 10.79:1
Use #000000AAA at every size.
Aa
White text · 1.95:1
AA fail · AA large fail · AAA fail
Aa
Black text · 10.79:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #4fc8eb as text scores 1.95:1 on white and 10.79:1 on black.

Accessibility — WCAG contrast

Aa
#4fc8eb on white: 1.95:1
AA ✗ fail · AA-large · AAA
Aa
#4fc8eb on black: 10.79:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #B3C3ED
deuteranopia · #9DB3EB
tritanopia · #00D3D3

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #4fc8eb is pinned to step 400; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F3FAFC
#E6F5F9
#C7EBF5
#9ADFF4
#4fc8eb
#35C0E8
#19B0DC
#1593B7
#117593
#10566A
#0A3642
Base = 400Lightest = 50 · #F3FAFCDarkest = 950 · #0A3642
:root {
  --brand-50: #F3FAFC;
  --brand-100: #E6F5F9;
  --brand-200: #C7EBF5;
  --brand-300: #9ADFF4;
  --brand-400: #4fc8eb;
  --brand-500: #35C0E8;
  --brand-600: #19B0DC;
  --brand-700: #1593B7;
  --brand-800: #117593;
  --brand-900: #10566A;
  --brand-950: #0A3642;
  --brand: #4fc8eb;
  --brand-ink: #000000;
}

Colors that work with #4fc8eb

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

Text on it#000000
Black wins here
Surface#F4F9FA
Tinted page background
Border#C0E3ED
Hairlines and dividers
Muted text#4B899B
Captions on the surface
Accent#EF4B4F
Second voice, not a rival
Dark variant#0D5C72
Hover, pressed, headers
Light variant#E8F8FC
Selected rows, tints
Dark surface#142124
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 #4fc8eb

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

Works well for
  • 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
  • Text of any size on white — fails WCAG AA
  • Full-page backgrounds — tiring over long sessions
  • Thin strokes and 1px borders — they disappear on light UI
  • 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#EB724F
Analogous left#4FEBC0
Analogous right#4F7AEB
Split-complement 1#EB4F7A
Split-complement 2#EBC04F
Triadic 1#EB4FC8
Triadic 2#C8EB4F
Tetradic#C04FEB

RGB percentages

Red31.0%
Green78.4%
Blue92.2%

CMYK percentages

Cyan66.4%
Magenta14.9%
Yellow0.0%
Key (black)7.8%

Color previews

#4fc8eb text on a black background

contrast 10.79:1

Card sample

#4fc8eb text on a white background

contrast 1.95:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #4fc8eb;
Background color
Panel with #4fc8eb background
background-color: #4fc8eb;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #4fc8eb;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(79, 200, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(79, 200, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4fc8eb;
background: linear-gradient(135deg, #4fc8eb, #4F60EB);

Monochromatic scale

Palettes built from #4fc8eb

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.

#4fc8eb in the real world

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

Industries
TechnologyTravelHealthcareMedia
Common UI roles
ButtonsLinksFocus statesCharts
Print note

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

#4fc8eb, answered

What color is #4fc8eb?

#4fc8eb is a balanced electric cyan, closest to Sky Blue (ΔE2000 5.3). It sits at 194° on the hue wheel with 80% saturation and 62% lightness, which reads as cool.

What is the RGB value of #4fc8eb?

rgb(79, 200, 235) — 79 red, 200 green and 235 blue out of 255, or 31% / 78.4% / 92.2% by channel.

Is #4fc8eb a light or a dark color?

It is a mid-tone. Relative luminance is 0.4897 and perceived brightness is 70%, so black text on it reaches 10.79:1.

Should I use black or white text on #4fc8eb?

Black. It scores 10.79:1 against #4fc8eb, versus 1.95:1 for white — AAA at any size.

What is the complementary color of #4fc8eb?

#EB724F sits directly opposite on the wheel. Softer options are the split-complements #EB4F7A and #EBC04F, which give the same contrast with far less vibration.

What colors go well with #4fc8eb?

For interface work: #F4F9FA as the surface, #C0E3ED for borders, #4B899B for secondary text, #EF4B4F as an accent and #0D5C72 for hover and pressed states. For a palette, the analogous pair #4FEBC0 and #4F7AEB stays calm, while #EB724F is the loudest partner.

What is #4fc8eb in CMYK for printing?

cmyk(66%, 15%, 0%, 8%). 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 #4fc8eb warm or cool?

Cool — it scores 93 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #4FEBD5; nudged cooler, #4DAEED.

Work with #4fc8eb in the Color Lab