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#331c13

a deep, vivid orange · warm · closest name: Black

RGB
51, 28, 19
HSL
17°, 46%, 14%
CMYK
0, 45, 63, 80
Luminance
0.0158

At a glance

Every number on this page in one read: what #331c13 is made of, how bright it looks, and which way it leans.

Hex
#331c13
Hue
17°
orange
Saturation
46%
vivid
Lightness
14%
deep
Brightness
20%
HSV value
Perceived
14%
weighted brightness
Luminance
0.0158
WCAG relative
Temperature
Warm
7/100 cool
Color family
Orange
Tone
Vivid
Best ink
White
15.95:1
Closest name
Black
ΔE2000 15.4
Where it sits
Hue17° of 360°
Saturation46%
Lightness14%
Temperature
Warm ← → Cool7% 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#331c13
RGBrgb(51, 28, 19)
HSLhsl(17, 46%, 14%)
CMYKcmyk(0%, 45%, 63%, 80%)
LABlab(13.1 10.2 10.9)
LCHlch(13.1 14.9 47.0)
OKLCHoklch(0.255 0.040 42.0)
Decimal3349523
Display P3color(display-p3 0.200 0.110 0.075)

Copy-ready code

/* CSS */
color: #331c13;
background-color: #331c13;
/* Tailwind (arbitrary) */
class="text-[#331c13] bg-[#331c13]"
/* SCSS */
$brand: #331c13;
/* SwiftUI */
Color(red: 0.200, green: 0.110, blue: 0.075)
/* Android */
Color.parseColor("#331c13")
/* Flutter */
Color(0xFF331C13)
/* Python / OpenCV (BGR) */
(19, 28, 51)

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 #331c13 · 15.95:1
Use #ffffffAAA at every size.
Aa
White text · 15.95:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 1.32:1
AA fail · AA large fail · AAA fail
Reading the other direction: #331c13 as text scores 15.95:1 on white and 1.32:1 on black.

Accessibility — WCAG contrast

Aa
#331c13 on white: 15.95:1
AA ✓ pass · AA-large · AAA
Aa
#331c13 on black: 1.32:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #221F12
deuteranopia · #272413
tritanopia · #38181A

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #331c13 is pinned to step 950; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#FAF6F5
#F5EDEA
#EBD8D1
#E1BCAD
#D19A84
#C2785C
#B26242
#955237
#77412C
#573223
#331c13
Base = 950Lightest = 50 · #FAF6F5Darkest = 950 · #331c13
:root {
  --brand-50: #FAF6F5;
  --brand-100: #F5EDEA;
  --brand-200: #EBD8D1;
  --brand-300: #E1BCAD;
  --brand-400: #D19A84;
  --brand-500: #C2785C;
  --brand-600: #B26242;
  --brand-700: #955237;
  --brand-800: #77412C;
  --brand-900: #573223;
  --brand-950: #331c13;
  --brand: #331c13;
  --brand-ink: #ffffff;
}

Colors that work with #331c13

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#FAF6F4
Tinted page background
Border#E9CEC4
Hairlines and dividers
Muted text#9B614B
Captions on the surface
Accent#123334
Second voice, not a rival
Dark variant#5D3323
Hover, pressed, headers
Light variant#F8F0EC
Selected rows, tints
Dark surface#241814
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 #331c13

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#132A33
Analogous left#33131A
Analogous right#332C13
Split-complement 1#13332C
Split-complement 2#131A33
Triadic 1#13331C
Triadic 2#1C1333
Tetradic#1A3313

RGB percentages

Red20.0%
Green11.0%
Blue7.5%

CMYK percentages

Cyan0.0%
Magenta45.1%
Yellow62.7%
Key (black)80.0%

Color previews

#331c13 text on a black background

contrast 1.32:1

Card sample

#331c13 text on a white background

contrast 15.95:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #331c13;
Background color
Panel with #331c13 background
background-color: #331c13;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #331c13;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(51, 28, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 28, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331c13;
background: linear-gradient(135deg, #331c13, #333113);

Monochromatic scale

Palettes built from #331c13

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.

#331c13 in the real world

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

Industries
E-commerceFood deliveryLogisticsCreator tools
Common UI roles
ButtonsLinksFocus statesCharts
Print note

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

#331c13, answered

What color is #331c13?

#331c13 is a deep vivid orange, closest to Black (ΔE2000 15.4). It sits at 17° on the hue wheel with 46% saturation and 14% lightness, which reads as warm.

What is the RGB value of #331c13?

rgb(51, 28, 19) — 51 red, 28 green and 19 blue out of 255, or 20% / 11% / 7.5% by channel.

Is #331c13 a light or a dark color?

It is a dark color. Relative luminance is 0.0158 and perceived brightness is 14%, so white text on it reaches 15.95:1.

Should I use black or white text on #331c13?

White. It scores 15.95:1 against #331c13, versus 1.32:1 for black — AAA at any size.

What is the complementary color of #331c13?

#132A33 sits directly opposite on the wheel. Softer options are the split-complements #13332C and #131A33, which give the same contrast with far less vibration.

What colors go well with #331c13?

For interface work: #FAF6F4 as the surface, #E9CEC4 for borders, #9B614B for secondary text, #123334 as an accent and #5D3323 for hover and pressed states. For a palette, the analogous pair #33131A and #332C13 stays calm, while #132A33 is the loudest partner.

What is #331c13 in CMYK for printing?

cmyk(0%, 45%, 63%, 80%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #331c13 warm or cool?

Warm — it scores 7 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #332013; nudged cooler, #341215.

Work with #331c13 in the Color Lab