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#38acfd

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

RGB
56, 172, 253
HSL
205°, 98%, 61%
CMYK
78, 32, 0, 1
Luminance
0.3744

At a glance

Every number on this page in one read: what #38acfd is made of, how bright it looks, and which way it leans.

Hex
#38acfd
Hue
205°
blue
Saturation
98%
electric
Lightness
61%
balanced
Brightness
99%
HSV value
Perceived
63%
weighted brightness
Luminance
0.3744
WCAG relative
Temperature
Cool
98/100 cool
Color family
Blue
Tone
Electric
Best ink
Black
8.49:1
Closest name
Deep Sky Blue
ΔE2000 7.9
Where it sits
Hue205° of 360°
Saturation98%
Lightness61%
Temperature
Warm ← → Cool98% 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#38acfd
RGBrgb(56, 172, 253)
HSLhsl(205, 98%, 61%)
CMYKcmyk(78%, 32%, 0%, 1%)
LABlab(67.6 -5.0 -49.2)
LCHlch(67.6 49.4 264.1)
OKLCHoklch(0.718 0.155 244.1)
Decimal3714301
Display P3color(display-p3 0.220 0.675 0.992)

Copy-ready code

/* CSS */
color: #38acfd;
background-color: #38acfd;
/* Tailwind (arbitrary) */
class="text-[#38acfd] bg-[#38acfd]"
/* SCSS */
$brand: #38acfd;
/* SwiftUI */
Color(red: 0.220, green: 0.675, blue: 0.992)
/* Android */
Color.parseColor("#38acfd")
/* Flutter */
Color(0xFF38ACFD)
/* Python / OpenCV (BGR) */
(253, 172, 56)

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 #38acfd · 8.49:1
Use #000000AAA at every size.
Aa
White text · 2.47:1
AA fail · AA large fail · AAA fail
Aa
Black text · 8.49:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #38acfd as text scores 2.47:1 on white and 8.49:1 on black.

Accessibility — WCAG contrast

Aa
#38acfd on white: 2.47:1
AA ✗ fail · AA-large · AAA
Aa
#38acfd on black: 8.49:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #86AFFF
deuteranopia · #6B9DFB
tritanopia · #00C0C9

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #38acfd 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.

#F1F8FD
#E3F2FC
#C1E3FB
#90D1FE
#58B9FD
#38acfd
#0290F2
#0278CA
#0260A2
#064774
#042C49
Base = 500Lightest = 50 · #F1F8FDDarkest = 950 · #042C49
:root {
  --brand-50: #F1F8FD;
  --brand-100: #E3F2FC;
  --brand-200: #C1E3FB;
  --brand-300: #90D1FE;
  --brand-400: #58B9FD;
  --brand-500: #38acfd;
  --brand-600: #0290F2;
  --brand-700: #0278CA;
  --brand-800: #0260A2;
  --brand-900: #064774;
  --brand-950: #042C49;
  --brand: #38acfd;
  --brand-ink: #000000;
}

Colors that work with #38acfd

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#F4F8FA
Tinted page background
Border#C0DAED
Hairlines and dividers
Muted text#4B7A9B
Captions on the surface
Accent#CC2200
Second voice, not a rival
Dark variant#014B7E
Hover, pressed, headers
Light variant#E6F4FF
Selected rows, tints
Dark surface#141E24
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 #38acfd

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
  • 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#FD8938
Analogous left#38FDEC
Analogous right#3849FD
Split-complement 1#FD3849
Split-complement 2#FDEC38
Triadic 1#FD38AC
Triadic 2#ACFD38
Tetradic#EC38FD

RGB percentages

Red22.0%
Green67.5%
Blue99.2%

CMYK percentages

Cyan77.9%
Magenta32.0%
Yellow0.0%
Key (black)0.8%

Color previews

#38acfd text on a black background

contrast 8.49:1

Card sample

#38acfd text on a white background

contrast 2.47:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #38acfd;
Background color
Panel with #38acfd background
background-color: #38acfd;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #38acfd;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(56, 172, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(56, 172, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #38acfd;
background: linear-gradient(135deg, #38acfd, #4738FD);

Monochromatic scale

Palettes built from #38acfd

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.

#38acfd 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.

#38acfd, answered

What color is #38acfd?

#38acfd is a balanced electric blue, closest to Deep Sky Blue (ΔE2000 7.9). It sits at 205° on the hue wheel with 98% saturation and 61% lightness, which reads as cool.

What is the RGB value of #38acfd?

rgb(56, 172, 253) — 56 red, 172 green and 253 blue out of 255, or 22% / 67.5% / 99.2% by channel.

Is #38acfd a light or a dark color?

It is a mid-tone. Relative luminance is 0.3744 and perceived brightness is 63%, so black text on it reaches 8.49:1.

Should I use black or white text on #38acfd?

Black. It scores 8.49:1 against #38acfd, versus 2.47:1 for white — AAA at any size.

What is the complementary color of #38acfd?

#FD8938 sits directly opposite on the wheel. Softer options are the split-complements #FD3849 and #FDEC38, which give the same contrast with far less vibration.

What colors go well with #38acfd?

For interface work: #F4F8FA as the surface, #C0DAED for borders, #4B7A9B for secondary text, #CC2200 as an accent and #014B7E for hover and pressed states. For a palette, the analogous pair #38FDEC and #3849FD stays calm, while #FD8938 is the loudest partner.

What is #38acfd in CMYK for printing?

cmyk(78%, 32%, 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 #38acfd warm or cool?

Cool — it scores 98 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #38F4FD; nudged cooler, #1D95FF.

Work with #38acfd in the Color Lab