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#39dccf

a balanced, vivid cyan · cool · closest name: Turquoise

RGB
57, 220, 207
HSL
175°, 70%, 54%
CMYK
74, 0, 6, 14
Luminance
0.5656

At a glance

Every number on this page in one read: what #39dccf is made of, how bright it looks, and which way it leans.

Hex
#39dccf
Hue
175°
cyan
Saturation
70%
vivid
Lightness
54%
balanced
Brightness
86%
HSV value
Perceived
73%
weighted brightness
Luminance
0.5656
WCAG relative
Temperature
Cool
86/100 cool
Color family
Cyan
Tone
Vivid
Best ink
Black
12.31:1
Closest name
Turquoise
ΔE2000 1.3
Where it sits
Hue175° of 360°
Saturation70%
Lightness54%
Temperature
Warm ← → Cool86% 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#39dccf
RGBrgb(57, 220, 207)
HSLhsl(175, 70%, 54%)
CMYKcmyk(74%, 0%, 6%, 14%)
LABlab(79.9 -43.4 -5.5)
LCHlch(79.9 43.8 187.2)
OKLCHoklch(0.811 0.130 186.9)
Decimal3792079
Display P3color(display-p3 0.224 0.863 0.812)

Copy-ready code

/* CSS */
color: #39dccf;
background-color: #39dccf;
/* Tailwind (arbitrary) */
class="text-[#39dccf] bg-[#39dccf]"
/* SCSS */
$brand: #39dccf;
/* SwiftUI */
Color(red: 0.224, green: 0.863, blue: 0.812)
/* Android */
Color.parseColor("#39dccf")
/* Flutter */
Color(0xFF39DCCF)
/* Python / OpenCV (BGR) */
(207, 220, 57)

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 #39dccf · 12.31:1
Use #000000AAA at every size.
Aa
White text · 1.71:1
AA fail · AA large fail · AAA fail
Aa
Black text · 12.31:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #39dccf as text scores 1.71:1 on white and 12.31:1 on black.

Accessibility — WCAG contrast

Aa
#39dccf on white: 1.71:1
AA ✗ fail · AA-large · AAA
Aa
#39dccf on black: 12.31:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #D0D0CF
deuteranopia · #BABFD1
tritanopia · #00E1D8

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #39dccf 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.

#F3FCFB
#E7F8F7
#C9F2EF
#A0EEE8
#70E6DC
#39dccf
#25D0C2
#1FADA2
#188B82
#16655E
#0E3F3B
Base = 500Lightest = 50 · #F3FCFBDarkest = 950 · #0E3F3B
:root {
  --brand-50: #F3FCFB;
  --brand-100: #E7F8F7;
  --brand-200: #C9F2EF;
  --brand-300: #A0EEE8;
  --brand-400: #70E6DC;
  --brand-500: #39dccf;
  --brand-600: #25D0C2;
  --brand-700: #1FADA2;
  --brand-800: #188B82;
  --brand-900: #16655E;
  --brand-950: #0E3F3B;
  --brand: #39dccf;
  --brand-ink: #000000;
}

Colors that work with #39dccf

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#F4FAFA
Tinted page background
Border#C0EDE9
Hairlines and dividers
Muted text#4B9B94
Captions on the surface
Accent#E1346D
Second voice, not a rival
Dark variant#136C65
Hover, pressed, headers
Light variant#E9FBFA
Selected rows, tints
Dark surface#142423
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 #39dccf

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#DC3946
Analogous left#39DC7D
Analogous right#3998DC
Split-complement 1#DC3998
Split-complement 2#DC7D39
Triadic 1#CF39DC
Triadic 2#DCCF39
Tetradic#7D39DC

RGB percentages

Red22.4%
Green86.3%
Blue81.2%

CMYK percentages

Cyan74.1%
Magenta0.0%
Yellow5.9%
Key (black)13.7%

Color previews

#39dccf text on a black background

contrast 12.31:1

Card sample

#39dccf text on a white background

contrast 1.71:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #39dccf;
Background color
Panel with #39dccf background
background-color: #39dccf;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #39dccf;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(57, 220, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 220, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39dccf;
background: linear-gradient(135deg, #39dccf, #397CDC);

Monochromatic scale

Palettes built from #39dccf

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.

#39dccf 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

Converts to four-color process without much drama. Proof it anyway.

#39dccf, answered

What color is #39dccf?

#39dccf is a balanced vivid cyan, closest to Turquoise (ΔE2000 1.3). It sits at 175° on the hue wheel with 70% saturation and 54% lightness, which reads as cool.

What is the RGB value of #39dccf?

rgb(57, 220, 207) — 57 red, 220 green and 207 blue out of 255, or 22.4% / 86.3% / 81.2% by channel.

Is #39dccf a light or a dark color?

It is a light color. Relative luminance is 0.5656 and perceived brightness is 73%, so black text on it reaches 12.31:1.

Should I use black or white text on #39dccf?

Black. It scores 12.31:1 against #39dccf, versus 1.71:1 for white — AAA at any size.

What is the complementary color of #39dccf?

#DC3946 sits directly opposite on the wheel. Softer options are the split-complements #DC3998 and #DC7D39, which give the same contrast with far less vibration.

What colors go well with #39dccf?

For interface work: #F4FAFA as the surface, #C0EDE9 for borders, #4B9B94 for secondary text, #E1346D as an accent and #136C65 for hover and pressed states. For a palette, the analogous pair #39DC7D and #3998DC stays calm, while #DC3946 is the loudest partner.

What is #39dccf in CMYK for printing?

cmyk(74%, 0%, 6%, 14%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #39dccf warm or cool?

Cool — it scores 86 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #39DC93; nudged cooler, #37B3DE.

Work with #39dccf in the Color Lab