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#809faf

a balanced, soft blue · cool · closest name: Light Slate Gray

RGB
128, 159, 175
HSL
200°, 23%, 59%
CMYK
27, 9, 0, 31
Luminance
0.3248

At a glance

Every number on this page in one read: what #809faf is made of, how bright it looks, and which way it leans.

Hex
#809faf
Hue
200°
blue
Saturation
23%
soft
Lightness
59%
balanced
Brightness
69%
HSV value
Perceived
60%
weighted brightness
Luminance
0.3248
WCAG relative
Temperature
Cool
80/100 cool
Color family
Blue
Tone
Soft
Best ink
Black
7.50:1
Closest name
Light Slate Gray
ΔE2000 8.5
Where it sits
Hue200° of 360°
Saturation23%
Lightness59%
Temperature
Warm ← → Cool80% 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#809faf
RGBrgb(128, 159, 175)
HSLhsl(200, 23%, 59%)
CMYKcmyk(27%, 9%, 0%, 31%)
LABlab(63.7 -7.0 -11.8)
LCHlch(63.7 13.7 239.5)
OKLCHoklch(0.685 0.042 230.6)
Decimal8429487
Display P3color(display-p3 0.502 0.624 0.686)

Copy-ready code

/* CSS */
color: #809faf;
background-color: #809faf;
/* Tailwind (arbitrary) */
class="text-[#809faf] bg-[#809faf]"
/* SCSS */
$brand: #809faf;
/* SwiftUI */
Color(red: 0.502, green: 0.624, blue: 0.686)
/* Android */
Color.parseColor("#809faf")
/* Flutter */
Color(0xFF809FAF)
/* Python / OpenCV (BGR) */
(175, 159, 128)

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 #809faf · 7.50:1
Use #000000AAA at every size.
Aa
White text · 2.80:1
AA fail · AA large fail · AAA fail
Aa
Black text · 7.50:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #809faf as text scores 2.80:1 on white and 7.50:1 on black.

Accessibility — WCAG contrast

Aa
#809faf on white: 2.80:1
AA ✗ fail · AA-large · AAA
Aa
#809faf on black: 7.50:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #979EB0
deuteranopia · #9098AF
tritanopia · #72A4A4

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #809faf 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.

#F6F8F9
#EDF1F2
#D7E0E4
#BACBD4
#98B1BE
#809faf
#5F8396
#4F6D7D
#3F5864
#30414A
#1E292E
Base = 500Lightest = 50 · #F6F8F9Darkest = 950 · #1E292E
:root {
  --brand-50: #F6F8F9;
  --brand-100: #EDF1F2;
  --brand-200: #D7E0E4;
  --brand-300: #BACBD4;
  --brand-400: #98B1BE;
  --brand-500: #809faf;
  --brand-600: #5F8396;
  --brand-700: #4F6D7D;
  --brand-800: #3F5864;
  --brand-900: #30414A;
  --brand-950: #1E292E;
  --brand: #809faf;
  --brand-ink: #000000;
}

Colors that work with #809faf

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#F6F8F9
Tinted page background
Border#CDD9DF
Hairlines and dividers
Muted text#597B8D
Captions on the surface
Accent#B3817C
Second voice, not a rival
Dark variant#31444E
Hover, pressed, headers
Light variant#EFF3F5
Selected rows, tints
Dark surface#161E22
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 #809faf

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

Works well for
  • Text and icons on dark surfaces
  • Charts, tags and secondary surfaces
  • Brand accents, badges and data highlights
Use with care
  • Text of any size on white — fails WCAG AA
  • 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#AF9080
Analogous left#80AFA7
Analogous right#8087AF
Split-complement 1#AF8087
Split-complement 2#AFA780
Triadic 1#AF809F
Triadic 2#9FAF80
Tetradic#A780AF

RGB percentages

Red50.2%
Green62.4%
Blue68.6%

CMYK percentages

Cyan26.9%
Magenta9.1%
Yellow0.0%
Key (black)31.4%

Color previews

#809faf text on a black background

contrast 7.50:1

Card sample

#809faf text on a white background

contrast 2.80:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #809faf;
Background color
Panel with #809faf background
background-color: #809faf;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #809faf;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(128, 159, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(128, 159, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #809faf;
background: linear-gradient(135deg, #809faf, #8080AF);

Monochromatic scale

Palettes built from #809faf

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.

#809faf 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

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

#809faf, answered

What color is #809faf?

#809faf is a balanced soft blue, closest to Light Slate Gray (ΔE2000 8.5). It sits at 200° on the hue wheel with 23% saturation and 59% lightness, which reads as cool.

What is the RGB value of #809faf?

rgb(128, 159, 175) — 128 red, 159 green and 175 blue out of 255, or 50.2% / 62.4% / 68.6% by channel.

Is #809faf a light or a dark color?

It is a mid-tone. Relative luminance is 0.3248 and perceived brightness is 60%, so black text on it reaches 7.50:1.

Should I use black or white text on #809faf?

Black. It scores 7.50:1 against #809faf, versus 2.80:1 for white — AAA at any size.

What is the complementary color of #809faf?

#AF9080 sits directly opposite on the wheel. Softer options are the split-complements #AF8087 and #AFA780, which give the same contrast with far less vibration.

What colors go well with #809faf?

For interface work: #F6F8F9 as the surface, #CDD9DF for borders, #597B8D for secondary text, #B3817C as an accent and #31444E for hover and pressed states. For a palette, the analogous pair #80AFA7 and #8087AF stays calm, while #AF9080 is the loudest partner.

What is #809faf in CMYK for printing?

cmyk(27%, 9%, 0%, 31%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #809faf warm or cool?

Cool — it scores 80 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #80AFAE; nudged cooler, #7E98B1.

Work with #809faf in the Color Lab