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#08b5cd

a dark, electric cyan · cool · closest name: Dark Turquoise

RGB
8, 181, 205
HSL
187°, 93%, 42%
CMYK
96, 12, 0, 20
Luminance
0.3751

At a glance

Every number on this page in one read: what #08b5cd is made of, how bright it looks, and which way it leans.

Hex
#08b5cd
Hue
187°
cyan
Saturation
93%
electric
Lightness
42%
dark
Brightness
80%
HSV value
Perceived
61%
weighted brightness
Luminance
0.3751
WCAG relative
Temperature
Cool
91/100 cool
Color family
Cyan
Tone
Electric
Best ink
Black
8.50:1
Closest name
Dark Turquoise
ΔE2000 9.9
Where it sits
Hue187° of 360°
Saturation93%
Lightness42%
Temperature
Warm ← → Cool91% 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#08b5cd
RGBrgb(8, 181, 205)
HSLhsl(187, 93%, 42%)
CMYKcmyk(96%, 12%, 0%, 20%)
LABlab(67.7 -29.3 -22.9)
LCHlch(67.7 37.2 218.0)
OKLCHoklch(0.710 0.122 211.5)
Decimal570829
Display P3color(display-p3 0.031 0.710 0.804)

Copy-ready code

/* CSS */
color: #08b5cd;
background-color: #08b5cd;
/* Tailwind (arbitrary) */
class="text-[#08b5cd] bg-[#08b5cd]"
/* SCSS */
$brand: #08b5cd;
/* SwiftUI */
Color(red: 0.031, green: 0.710, blue: 0.804)
/* Android */
Color.parseColor("#08b5cd")
/* Flutter */
Color(0xFF08B5CD)
/* Python / OpenCV (BGR) */
(205, 181, 8)

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 #08b5cd · 8.50:1
Use #000000AAA at every size.
Aa
White text · 2.47:1
AA fail · AA large fail · AAA fail
Aa
Black text · 8.50:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #08b5cd as text scores 2.47:1 on white and 8.50:1 on black.

Accessibility — WCAG contrast

Aa
#08b5cd on white: 2.47:1
AA ✗ fail · AA-large · AAA
Aa
#08b5cd on black: 8.50:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #A2AECE
deuteranopia · #8B9ECD
tritanopia · #00BFBC

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #08b5cd 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.

#F2FCFD
#E4F8FB
#C3F3F9
#93EEFB
#5DE6F9
#27DDF7
#09D0EC
#08b5cd
#068B9D
#096571
#063F47
Base = 700Lightest = 50 · #F2FCFDDarkest = 950 · #063F47
:root {
  --brand-50: #F2FCFD;
  --brand-100: #E4F8FB;
  --brand-200: #C3F3F9;
  --brand-300: #93EEFB;
  --brand-400: #5DE6F9;
  --brand-500: #27DDF7;
  --brand-600: #09D0EC;
  --brand-700: #08b5cd;
  --brand-800: #068B9D;
  --brand-900: #096571;
  --brand-950: #063F47;
  --brand: #08b5cd;
  --brand-ink: #000000;
}

Colors that work with #08b5cd

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#C0E7ED
Hairlines and dividers
Muted text#4B919B
Captions on the surface
Accent#D1041E
Second voice, not a rival
Dark variant#056C7B
Hover, pressed, headers
Light variant#E6FBFE
Selected rows, tints
Dark surface#142224
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 #08b5cd

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
  • Headers, footers and dark-mode surfaces
  • 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
  • Black text placed on it
  • 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#CD2008
Analogous left#08CD83
Analogous right#0853CD
Split-complement 1#CD0853
Split-complement 2#CD8308
Triadic 1#CD08B5
Triadic 2#B5CD08
Tetradic#8308CD

RGB percentages

Red3.1%
Green71.0%
Blue80.4%

CMYK percentages

Cyan96.1%
Magenta11.7%
Yellow0.0%
Key (black)19.6%

Color previews

#08b5cd text on a black background

contrast 8.50:1

Card sample

#08b5cd text on a white background

contrast 2.47:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #08b5cd;
Background color
Panel with #08b5cd background
background-color: #08b5cd;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #08b5cd;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(8, 181, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(8, 181, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #08b5cd;
background: linear-gradient(135deg, #08b5cd, #0832CD);

Monochromatic scale

Palettes built from #08b5cd

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.

#08b5cd 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.

#08b5cd, answered

What color is #08b5cd?

#08b5cd is a dark electric cyan, closest to Dark Turquoise (ΔE2000 9.9). It sits at 187° on the hue wheel with 93% saturation and 42% lightness, which reads as cool.

What is the RGB value of #08b5cd?

rgb(8, 181, 205) — 8 red, 181 green and 205 blue out of 255, or 3.1% / 71% / 80.4% by channel.

Is #08b5cd a light or a dark color?

It is a mid-tone. Relative luminance is 0.3751 and perceived brightness is 61%, so black text on it reaches 8.50:1.

Should I use black or white text on #08b5cd?

Black. It scores 8.50:1 against #08b5cd, versus 2.47:1 for white — AAA at any size.

What is the complementary color of #08b5cd?

#CD2008 sits directly opposite on the wheel. Softer options are the split-complements #CD0853 and #CD8308, which give the same contrast with far less vibration.

What colors go well with #08b5cd?

For interface work: #F4FAFA as the surface, #C0E7ED for borders, #4B919B for secondary text, #D1041E as an accent and #056C7B for hover and pressed states. For a palette, the analogous pair #08CD83 and #0853CD stays calm, while #CD2008 is the loudest partner.

What is #08b5cd in CMYK for printing?

cmyk(96%, 12%, 0%, 20%). 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 #08b5cd warm or cool?

Cool — it scores 91 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #08CD9D; nudged cooler, #068ECF.

Work with #08b5cd in the Color Lab