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#a85721

a dark, vivid orange · warm · closest name: Sienna

RGB
168, 87, 33
HSL
24°, 67%, 39%
CMYK
0, 48, 80, 34
Luminance
0.1525

At a glance

Every number on this page in one read: what #a85721 is made of, how bright it looks, and which way it leans.

Hex
#a85721
Hue
24°
orange
Saturation
67%
vivid
Lightness
39%
dark
Brightness
66%
HSV value
Perceived
45%
weighted brightness
Luminance
0.1525
WCAG relative
Temperature
Warm
3/100 cool
Color family
Orange
Tone
Vivid
Best ink
White
5.18:1
Closest name
Sienna
ΔE2000 4.5
Where it sits
Hue24° of 360°
Saturation67%
Lightness39%
Temperature
Warm ← → Cool3% 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#a85721
RGBrgb(168, 87, 33)
HSLhsl(24, 67%, 39%)
CMYKcmyk(0%, 48%, 80%, 34%)
LABlab(46.0 29.4 44.3)
LCHlch(46.0 53.1 56.4)
OKLCHoklch(0.545 0.125 50.4)
Decimal11032353
Display P3color(display-p3 0.659 0.341 0.129)

Copy-ready code

/* CSS */
color: #a85721;
background-color: #a85721;
/* Tailwind (arbitrary) */
class="text-[#a85721] bg-[#a85721]"
/* SCSS */
$brand: #a85721;
/* SwiftUI */
Color(red: 0.659, green: 0.341, blue: 0.129)
/* Android */
Color.parseColor("#a85721")
/* Flutter */
Color(0xFFA85721)
/* Python / OpenCV (BGR) */
(33, 87, 168)

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 #a85721 · 5.18:1
Use #ffffffAA at every size, AAA for large text only.
Aa
White text · 5.18:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 4.05:1
AA fail · AA large pass · AAA fail
Reading the other direction: #a85721 as text scores 5.18:1 on white and 4.05:1 on black.

Accessibility — WCAG contrast

Aa
#a85721 on white: 5.18:1
AA ✓ pass · AA-large · AAA
Aa
#a85721 on black: 4.05:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #6E6219
deuteranopia · #827420
tritanopia · #B8454C

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #a85721 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.

#FBF7F3
#F8EEE8
#F1DACA
#EDBFA1
#E3A072
#DA8043
#CD6A28
#a85721
#88471B
#633617
#3E220F
Base = 700Lightest = 50 · #FBF7F3Darkest = 950 · #3E220F
:root {
  --brand-50: #FBF7F3;
  --brand-100: #F8EEE8;
  --brand-200: #F1DACA;
  --brand-300: #EDBFA1;
  --brand-400: #E3A072;
  --brand-500: #DA8043;
  --brand-600: #CD6A28;
  --brand-700: #a85721;
  --brand-800: #88471B;
  --brand-900: #633617;
  --brand-950: #3E220F;
  --brand: #a85721;
  --brand-ink: #ffffff;
}

Colors that work with #a85721

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#FAF7F4
Tinted page background
Border#EDD2C0
Hairlines and dividers
Muted text#9B6B4B
Captions on the surface
Accent#1D97AC
Second voice, not a rival
Dark variant#6B3715
Hover, pressed, headers
Light variant#FBF1EA
Selected rows, tints
Dark surface#241A14
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 #a85721

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#2172A8
Analogous left#A8212E
Analogous right#A89A21
Split-complement 1#21A89A
Split-complement 2#212EA8
Triadic 1#21A857
Triadic 2#5721A8
Tetradic#2EA821

RGB percentages

Red65.9%
Green34.1%
Blue12.9%

CMYK percentages

Cyan0.0%
Magenta48.2%
Yellow80.4%
Key (black)34.1%

Color previews

#a85721 text on a black background

contrast 4.05:1

Card sample

#a85721 text on a white background

contrast 5.18:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #a85721;
Background color
Panel with #a85721 background
background-color: #a85721;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #a85721;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(168, 87, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(168, 87, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a85721;
background: linear-gradient(135deg, #a85721, #9FA821);

Monochromatic scale

Palettes built from #a85721

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.

#a85721 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.

#a85721, answered

What color is #a85721?

#a85721 is a dark vivid orange, closest to Sienna (ΔE2000 4.5). It sits at 24° on the hue wheel with 67% saturation and 39% lightness, which reads as warm.

What is the RGB value of #a85721?

rgb(168, 87, 33) — 168 red, 87 green and 33 blue out of 255, or 65.9% / 34.1% / 12.9% by channel.

Is #a85721 a light or a dark color?

It is a dark color. Relative luminance is 0.1525 and perceived brightness is 45%, so white text on it reaches 5.18:1.

Should I use black or white text on #a85721?

White. It scores 5.18:1 against #a85721, versus 4.05:1 for black — AA at any size.

What is the complementary color of #a85721?

#2172A8 sits directly opposite on the wheel. Softer options are the split-complements #21A89A and #212EA8, which give the same contrast with far less vibration.

What colors go well with #a85721?

For interface work: #FAF7F4 as the surface, #EDD2C0 for borders, #9B6B4B for secondary text, #1D97AC as an accent and #6B3715 for hover and pressed states. For a palette, the analogous pair #A8212E and #A89A21 stays calm, while #2172A8 is the loudest partner.

What is #a85721 in CMYK for printing?

cmyk(0%, 48%, 80%, 34%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #a85721 warm or cool?

Warm — it scores 3 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #BD6425; nudged cooler, #AA241F.

Work with #a85721 in the Color Lab