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#1cccfd

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

RGB
28, 204, 253
HSL
193°, 98%, 55%
CMYK
89, 19, 0, 1
Luminance
0.5052

At a glance

Every number on this page in one read: what #1cccfd is made of, how bright it looks, and which way it leans.

Hex
#1cccfd
Hue
193°
cyan
Saturation
98%
electric
Lightness
55%
balanced
Brightness
99%
HSV value
Perceived
70%
weighted brightness
Luminance
0.5052
WCAG relative
Temperature
Cool
93/100 cool
Color family
Cyan
Tone
Electric
Best ink
Black
11.10:1
Closest name
Deep Sky Blue
ΔE2000 5.3
Where it sits
Hue193° of 360°
Saturation98%
Lightness55%
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#1cccfd
RGBrgb(28, 204, 253)
HSLhsl(193, 98%, 55%)
CMYKcmyk(89%, 19%, 0%, 1%)
LABlab(76.4 -24.2 -35.5)
LCHlch(76.4 42.9 235.7)
OKLCHoklch(0.786 0.144 223.9)
Decimal1887485
Display P3color(display-p3 0.110 0.800 0.992)

Copy-ready code

/* CSS */
color: #1cccfd;
background-color: #1cccfd;
/* Tailwind (arbitrary) */
class="text-[#1cccfd] bg-[#1cccfd]"
/* SCSS */
$brand: #1cccfd;
/* SwiftUI */
Color(red: 0.110, green: 0.800, blue: 0.992)
/* Android */
Color.parseColor("#1cccfd")
/* Flutter */
Color(0xFF1CCCFD)
/* Python / OpenCV (BGR) */
(253, 204, 28)

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 #1cccfd · 11.10:1
Use #000000AAA at every size.
Aa
White text · 1.89:1
AA fail · AA large fail · AAA fail
Aa
Black text · 11.10:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #1cccfd as text scores 1.89:1 on white and 11.10:1 on black.

Accessibility — WCAG contrast

Aa
#1cccfd on white: 1.89:1
AA ✗ fail · AA-large · AAA
Aa
#1cccfd on black: 11.10:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #B0C7FF
deuteranopia · #95B4FC
tritanopia · #00DBDC

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #1cccfd 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.

#F1FBFD
#E3F7FC
#C1EEFB
#90E6FE
#58D9FE
#1cccfd
#02BEF3
#029ECA
#017FA2
#065C75
#043A49
Base = 500Lightest = 50 · #F1FBFDDarkest = 950 · #043A49
:root {
  --brand-50: #F1FBFD;
  --brand-100: #E3F7FC;
  --brand-200: #C1EEFB;
  --brand-300: #90E6FE;
  --brand-400: #58D9FE;
  --brand-500: #1cccfd;
  --brand-600: #02BEF3;
  --brand-700: #029ECA;
  --brand-800: #017FA2;
  --brand-900: #065C75;
  --brand-950: #043A49;
  --brand: #1cccfd;
  --brand-ink: #000000;
}

Colors that work with #1cccfd

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#FF1A21
Second voice, not a rival
Dark variant#01637E
Hover, pressed, headers
Light variant#E6F9FF
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 #1cccfd

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#FD4D1C
Analogous left#1CFDBE
Analogous right#1C5BFD
Split-complement 1#FD1C5B
Split-complement 2#FDBE1C
Triadic 1#FD1CCC
Triadic 2#CCFD1C
Tetradic#BE1CFD

RGB percentages

Red11.0%
Green80.0%
Blue99.2%

CMYK percentages

Cyan88.9%
Magenta19.4%
Yellow0.0%
Key (black)0.8%

Color previews

#1cccfd text on a black background

contrast 11.10:1

Card sample

#1cccfd text on a white background

contrast 1.89:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #1cccfd;
Background color
Panel with #1cccfd background
background-color: #1cccfd;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #1cccfd;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(28, 204, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(28, 204, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1cccfd;
background: linear-gradient(135deg, #1cccfd, #1C36FD);

Monochromatic scale

Palettes built from #1cccfd

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.

#1cccfd 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.

#1cccfd, answered

What color is #1cccfd?

#1cccfd is a balanced electric cyan, closest to Deep Sky Blue (ΔE2000 5.3). It sits at 193° on the hue wheel with 98% saturation and 55% lightness, which reads as cool.

What is the RGB value of #1cccfd?

rgb(28, 204, 253) — 28 red, 204 green and 253 blue out of 255, or 11% / 80% / 99.2% by channel.

Is #1cccfd a light or a dark color?

It is a light color. Relative luminance is 0.5052 and perceived brightness is 70%, so black text on it reaches 11.10:1.

Should I use black or white text on #1cccfd?

Black. It scores 11.10:1 against #1cccfd, versus 1.89:1 for white — AAA at any size.

What is the complementary color of #1cccfd?

#FD4D1C sits directly opposite on the wheel. Softer options are the split-complements #FD1C5B and #FDBE1C, which give the same contrast with far less vibration.

What colors go well with #1cccfd?

For interface work: #F4F9FA as the surface, #C0E3ED for borders, #4B899B for secondary text, #FF1A21 as an accent and #01637E for hover and pressed states. For a palette, the analogous pair #1CFDBE and #1C5BFD stays calm, while #FD4D1C is the loudest partner.

What is #1cccfd in CMYK for printing?

cmyk(89%, 19%, 0%, 1%). 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 #1cccfd 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 #1CFDDC; nudged cooler, #1AACFF.

Work with #1cccfd in the Color Lab