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#df1809

a balanced, electric red · warm · closest name: Red

RGB
223, 24, 9
HSL
4°, 92%, 46%
CMYK
0, 89, 96, 13
Luminance
0.1636

At a glance

Every number on this page in one read: what #df1809 is made of, how bright it looks, and which way it leans.

Hex
#df1809
Hue
red
Saturation
92%
electric
Lightness
46%
balanced
Brightness
87%
HSV value
Perceived
48%
weighted brightness
Luminance
0.1636
WCAG relative
Temperature
Warm
14/100 cool
Color family
Red
Tone
Electric
Best ink
White
4.92:1
Closest name
Red
ΔE2000 6.3
Where it sits
Hue4° of 360°
Saturation92%
Lightness46%
Temperature
Warm ← → Cool14% cool

Reads warm. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Every format

HEX#df1809
RGBrgb(223, 24, 9)
HSLhsl(4, 92%, 46%)
CMYKcmyk(0%, 89%, 96%, 13%)
LABlab(47.5 70.0 58.5)
LCHlch(47.5 91.2 39.9)
OKLCHoklch(0.574 0.227 29.8)
Decimal14620681
Display P3color(display-p3 0.875 0.094 0.035)

Copy-ready code

/* CSS */
color: #df1809;
background-color: #df1809;
/* Tailwind (arbitrary) */
class="text-[#df1809] bg-[#df1809]"
/* SCSS */
$brand: #df1809;
/* SwiftUI */
Color(red: 0.875, green: 0.094, blue: 0.035)
/* Android */
Color.parseColor("#df1809")
/* Flutter */
Color(0xFFDF1809)
/* Python / OpenCV (BGR) */
(9, 24, 223)

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#ffffff on #df1809 · 4.92:1
Use #ffffffAA at every size, AAA for large text only.
Aa
White text · 4.92:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 4.27:1
AA fail · AA large pass · AAA fail
Reading the other direction: #df1809 as text scores 4.92:1 on white and 4.27:1 on black.

Accessibility — WCAG contrast

Aa
#df1809 on white: 4.92:1
AA ✓ pass · AA-large · AAA
Aa
#df1809 on black: 4.27:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #625500
deuteranopia · #907F00
tritanopia · #F6001A

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #df1809 is pinned to step 600; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#FDF2F2
#FBE6E4
#F9C6C3
#FB9A93
#F8685D
#F63627
#df1809
#C41508
#9D1106
#711109
#470A06
Base = 600Lightest = 50 · #FDF2F2Darkest = 950 · #470A06
:root {
  --brand-50: #FDF2F2;
  --brand-100: #FBE6E4;
  --brand-200: #F9C6C3;
  --brand-300: #FB9A93;
  --brand-400: #F8685D;
  --brand-500: #F63627;
  --brand-600: #df1809;
  --brand-700: #C41508;
  --brand-800: #9D1106;
  --brand-900: #711109;
  --brand-950: #470A06;
  --brand: #df1809;
  --brand-ink: #ffffff;
}

Colors that work with #df1809

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#ffffff
White wins here
Surface#FAF5F4
Tinted page background
Border#EDC3C0
Hairlines and dividers
Muted text#9B504B
Captions on the surface
Accent#03C9A4
Second voice, not a rival
Dark variant#7B0D05
Hover, pressed, headers
Light variant#FEE8E6
Selected rows, tints
Dark surface#241514
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 #df1809

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

Works well for
  • Body text and links on white
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Brand accents, badges and data highlights
Use with care
  • 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#09D0DF
Analogous left#DF0965
Analogous right#DF8309
Split-complement 1#09DF83
Split-complement 2#0965DF
Triadic 1#09DF18
Triadic 2#1809DF
Tetradic#65DF09

RGB percentages

Red87.5%
Green9.4%
Blue3.5%

CMYK percentages

Cyan0.0%
Magenta89.2%
Yellow96.0%
Key (black)12.5%

Color previews

#df1809 text on a black background

contrast 4.27:1

Card sample

#df1809 text on a white background

contrast 4.92:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #df1809;
Background color
Panel with #df1809 background
background-color: #df1809;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #df1809;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(223, 24, 9, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(223, 24, 9, 0.45);
Border & gradient
Gradient panel
border: 3px solid #df1809;
background: linear-gradient(135deg, #df1809, #DFA709);

Monochromatic scale

Palettes built from #df1809

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.

#df1809 in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
Food and drinkEntertainmentRetailSport
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.

#df1809, answered

What color is #df1809?

#df1809 is a balanced electric red, closest to Red (ΔE2000 6.3). It sits at 4° on the hue wheel with 92% saturation and 46% lightness, which reads as warm.

What is the RGB value of #df1809?

rgb(223, 24, 9) — 223 red, 24 green and 9 blue out of 255, or 87.5% / 9.4% / 3.5% by channel.

Is #df1809 a light or a dark color?

It is a dark color. Relative luminance is 0.1636 and perceived brightness is 48%, so white text on it reaches 4.92:1.

Should I use black or white text on #df1809?

White. It scores 4.92:1 against #df1809, versus 4.27:1 for black — AA at any size.

What is the complementary color of #df1809?

#09D0DF sits directly opposite on the wheel. Softer options are the split-complements #09DF83 and #0965DF, which give the same contrast with far less vibration.

What colors go well with #df1809?

For interface work: #FAF5F4 as the surface, #EDC3C0 for borders, #9B504B for secondary text, #03C9A4 as an accent and #7B0D05 for hover and pressed states. For a palette, the analogous pair #DF0965 and #DF8309 stays calm, while #09D0DF is the loudest partner.

What is #df1809 in CMYK for printing?

cmyk(0%, 89%, 96%, 13%). 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 #df1809 warm or cool?

Warm — it scores 14 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #DF3F09; nudged cooler, #E10748.

Work with #df1809 in the Color Lab