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#ba1313

a dark, electric red · warm · closest name: Firebrick

RGB
186, 19, 19
HSL
0°, 82%, 40%
CMYK
0, 90, 90, 27
Luminance
0.1095

At a glance

Every number on this page in one read: what #ba1313 is made of, how bright it looks, and which way it leans.

Hex
#ba1313
Hue
red
Saturation
82%
electric
Lightness
40%
dark
Brightness
73%
HSV value
Perceived
40%
weighted brightness
Luminance
0.1095
WCAG relative
Temperature
Warm
17/100 cool
Color family
Red
Tone
Electric
Best ink
White
6.58:1
Closest name
Firebrick
ΔE2000 3.1
Where it sits
Hue0° of 360°
Saturation82%
Lightness40%
Temperature
Warm ← → Cool17% 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#ba1313
RGBrgb(186, 19, 19)
HSLhsl(0, 82%, 40%)
CMYKcmyk(0%, 90%, 90%, 27%)
LABlab(39.5 61.1 46.3)
LCHlch(39.5 76.6 37.1)
OKLCHoklch(0.502 0.197 28.2)
Decimal12194579
Display P3color(display-p3 0.729 0.075 0.075)

Copy-ready code

/* CSS */
color: #ba1313;
background-color: #ba1313;
/* Tailwind (arbitrary) */
class="text-[#ba1313] bg-[#ba1313]"
/* SCSS */
$brand: #ba1313;
/* SwiftUI */
Color(red: 0.729, green: 0.075, blue: 0.075)
/* Android */
Color.parseColor("#ba1313")
/* Flutter */
Color(0xFFBA1313)
/* Python / OpenCV (BGR) */
(19, 19, 186)

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 #ba1313 · 6.58:1
Use #ffffffAA at every size, AAA for large text only.
Aa
White text · 6.58:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 3.19:1
AA fail · AA large pass · AAA fail
Reading the other direction: #ba1313 as text scores 6.58:1 on white and 3.19:1 on black.

Accessibility — WCAG contrast

Aa
#ba1313 on white: 6.58:1
AA ✓ pass · AA-large · AAA
Aa
#ba1313 on black: 3.19:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #50460F
deuteranopia · #776903
tritanopia · #CE0017

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #ba1313 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.

#FCF2F2
#F9E6E6
#F6C6C6
#F59999
#EF6666
#EA3333
#DE1717
#ba1313
#940F0F
#6B0F0F
#430A0A
Base = 700Lightest = 50 · #FCF2F2Darkest = 950 · #430A0A
:root {
  --brand-50: #FCF2F2;
  --brand-100: #F9E6E6;
  --brand-200: #F6C6C6;
  --brand-300: #F59999;
  --brand-400: #EF6666;
  --brand-500: #EA3333;
  --brand-600: #DE1717;
  --brand-700: #ba1313;
  --brand-800: #940F0F;
  --brand-900: #6B0F0F;
  --brand-950: #430A0A;
  --brand: #ba1313;
  --brand-ink: #ffffff;
}

Colors that work with #ba1313

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#FAF4F4
Tinted page background
Border#EDC0C0
Hairlines and dividers
Muted text#9B4B4B
Captions on the surface
Accent#0FBD91
Second voice, not a rival
Dark variant#740C0C
Hover, pressed, headers
Light variant#FDE8E8
Selected rows, tints
Dark surface#241414
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 #ba1313

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
  • 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#13BABA
Analogous left#BA1367
Analogous right#BA6713
Split-complement 1#13BA67
Split-complement 2#1367BA
Triadic 1#13BA13
Triadic 2#1313BA
Tetradic#67BA13

RGB percentages

Red72.9%
Green7.5%
Blue7.5%

CMYK percentages

Cyan0.0%
Magenta89.8%
Yellow89.8%
Key (black)27.1%

Color previews

#ba1313 text on a black background

contrast 3.19:1

Card sample

#ba1313 text on a white background

contrast 6.58:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #ba1313;
Background color
Panel with #ba1313 background
background-color: #ba1313;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #ba1313;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(186, 19, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(186, 19, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ba1313;
background: linear-gradient(135deg, #ba1313, #BA8213);

Monochromatic scale

Palettes built from #ba1313

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.

#ba1313 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.

#ba1313, answered

What color is #ba1313?

#ba1313 is a dark electric red, closest to Firebrick (ΔE2000 3.1). It sits at 0° on the hue wheel with 82% saturation and 40% lightness, which reads as warm.

What is the RGB value of #ba1313?

rgb(186, 19, 19) — 186 red, 19 green and 19 blue out of 255, or 72.9% / 7.5% / 7.5% by channel.

Is #ba1313 a light or a dark color?

It is a dark color. Relative luminance is 0.1095 and perceived brightness is 40%, so white text on it reaches 6.58:1.

Should I use black or white text on #ba1313?

White. It scores 6.58:1 against #ba1313, versus 3.19:1 for black — AA at any size.

What is the complementary color of #ba1313?

#13BABA sits directly opposite on the wheel. Softer options are the split-complements #13BA67 and #1367BA, which give the same contrast with far less vibration.

What colors go well with #ba1313?

For interface work: #FAF4F4 as the surface, #EDC0C0 for borders, #9B4B4B for secondary text, #0FBD91 as an accent and #740C0C for hover and pressed states. For a palette, the analogous pair #BA1367 and #BA6713 stays calm, while #13BABA is the loudest partner.

What is #ba1313 in CMYK for printing?

cmyk(0%, 90%, 90%, 27%). 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 #ba1313 warm or cool?

Warm — it scores 17 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #BA3C13; nudged cooler, #BC1150.

Work with #ba1313 in the Color Lab