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#911c13

a dark, electric red · warm · closest name: Dark Red

RGB
145, 28, 19
HSL
4°, 77%, 32%
CMYK
0, 81, 87, 43
Luminance
0.0690

At a glance

Every number on this page in one read: what #911c13 is made of, how bright it looks, and which way it leans.

Hex
#911c13
Hue
red
Saturation
77%
electric
Lightness
32%
dark
Brightness
57%
HSV value
Perceived
32%
weighted brightness
Luminance
0.0690
WCAG relative
Temperature
Warm
14/100 cool
Color family
Red
Tone
Electric
Best ink
White
8.83:1
Closest name
Dark Red
ΔE2000 3.3
Where it sits
Hue4° of 360°
Saturation77%
Lightness32%
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#911c13
RGBrgb(145, 28, 19)
HSLhsl(4, 77%, 32%)
CMYKcmyk(0%, 81%, 87%, 43%)
LABlab(31.6 47.2 36.3)
LCHlch(31.6 59.5 37.5)
OKLCHoklch(0.428 0.154 29.5)
Decimal9509907
Display P3color(display-p3 0.569 0.110 0.075)

Copy-ready code

/* CSS */
color: #911c13;
background-color: #911c13;
/* Tailwind (arbitrary) */
class="text-[#911c13] bg-[#911c13]"
/* SCSS */
$brand: #911c13;
/* SwiftUI */
Color(red: 0.569, green: 0.110, blue: 0.075)
/* Android */
Color.parseColor("#911c13")
/* Flutter */
Color(0xFF911C13)
/* Python / OpenCV (BGR) */
(19, 28, 145)

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 #911c13 · 8.83:1
Use #ffffffAAA at every size.
Aa
White text · 8.83:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 2.38:1
AA fail · AA large fail · AAA fail
Reading the other direction: #911c13 as text scores 8.83:1 on white and 2.38:1 on black.

Accessibility — WCAG contrast

Aa
#911c13 on white: 8.83:1
AA ✓ pass · AA-large · AAA
Aa
#911c13 on black: 2.38:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #423A10
deuteranopia · #5E530B
tritanopia · #A0001C

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #911c13 is pinned to step 800; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#FCF3F3
#F9E8E7
#F4CBC7
#F2A29C
#EB736A
#E54539
#D82A1C
#B42318
#911c13
#681812
#410F0B
Base = 800Lightest = 50 · #FCF3F3Darkest = 950 · #410F0B
:root {
  --brand-50: #FCF3F3;
  --brand-100: #F9E8E7;
  --brand-200: #F4CBC7;
  --brand-300: #F2A29C;
  --brand-400: #EB736A;
  --brand-500: #E54539;
  --brand-600: #D82A1C;
  --brand-700: #B42318;
  --brand-800: #911c13;
  --brand-900: #681812;
  --brand-950: #410F0B;
  --brand: #911c13;
  --brand-ink: #ffffff;
}

Colors that work with #911c13

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#10947D
Second voice, not a rival
Dark variant#71160F
Hover, pressed, headers
Light variant#FCEAE8
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 #911c13

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
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Text on black or near-black surfaces
  • Full-page backgrounds — tiring over long sessions
  • Black text placed on it
  • 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#138891
Analogous left#911349
Analogous right#915B13
Split-complement 1#13915B
Split-complement 2#134991
Triadic 1#13911C
Triadic 2#1C1391
Tetradic#499113

RGB percentages

Red56.9%
Green11.0%
Blue7.5%

CMYK percentages

Cyan0.0%
Magenta80.7%
Yellow86.9%
Key (black)43.1%

Color previews

#911c13 text on a black background

contrast 2.38:1

Card sample

#911c13 text on a white background

contrast 8.83:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #911c13;
Background color
Panel with #911c13 background
background-color: #911c13;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #911c13;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(145, 28, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(145, 28, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #911c13;
background: linear-gradient(135deg, #911c13, #917013);

Monochromatic scale

Palettes built from #911c13

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.

#911c13 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.

#911c13, answered

What color is #911c13?

#911c13 is a dark electric red, closest to Dark Red (ΔE2000 3.3). It sits at 4° on the hue wheel with 77% saturation and 32% lightness, which reads as warm.

What is the RGB value of #911c13?

rgb(145, 28, 19) — 145 red, 28 green and 19 blue out of 255, or 56.9% / 11% / 7.5% by channel.

Is #911c13 a light or a dark color?

It is a dark color. Relative luminance is 0.0690 and perceived brightness is 32%, so white text on it reaches 8.83:1.

Should I use black or white text on #911c13?

White. It scores 8.83:1 against #911c13, versus 2.38:1 for black — AAA at any size.

What is the complementary color of #911c13?

#138891 sits directly opposite on the wheel. Softer options are the split-complements #13915B and #134991, which give the same contrast with far less vibration.

What colors go well with #911c13?

For interface work: #FAF5F4 as the surface, #EDC3C0 for borders, #9B504B for secondary text, #10947D as an accent and #71160F for hover and pressed states. For a palette, the analogous pair #911349 and #915B13 stays calm, while #138891 is the loudest partner.

What is #911c13 in CMYK for printing?

cmyk(0%, 81%, 87%, 43%). 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 #911c13 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 #913913; nudged cooler, #931138.

Work with #911c13 in the Color Lab