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#a33cd3

a balanced, vivid violet · cool · closest name: Dark Orchid

RGB
163, 60, 211
HSL
281°, 63%, 53%
CMYK
23, 72, 0, 17
Luminance
0.1572

At a glance

Every number on this page in one read: what #a33cd3 is made of, how bright it looks, and which way it leans.

Hex
#a33cd3
Hue
281°
violet
Saturation
63%
vivid
Lightness
53%
balanced
Brightness
83%
HSV value
Perceived
48%
weighted brightness
Luminance
0.1572
WCAG relative
Temperature
Cool
61/100 cool
Color family
Violet
Tone
Vivid
Best ink
White
5.07:1
Closest name
Dark Orchid
ΔE2000 3.1
Where it sits
Hue281° of 360°
Saturation63%
Lightness53%
Temperature
Warm ← → Cool61% cool

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

Every format

HEX#a33cd3
RGBrgb(163, 60, 211)
HSLhsl(281, 63%, 53%)
CMYKcmyk(23%, 72%, 0%, 17%)
LABlab(46.6 64.7 -58.8)
LCHlch(46.6 87.5 317.7)
OKLCHoklch(0.568 0.226 312.6)
Decimal10697939
Display P3color(display-p3 0.639 0.235 0.827)

Copy-ready code

/* CSS */
color: #a33cd3;
background-color: #a33cd3;
/* Tailwind (arbitrary) */
class="text-[#a33cd3] bg-[#a33cd3]"
/* SCSS */
$brand: #a33cd3;
/* SwiftUI */
Color(red: 0.639, green: 0.235, blue: 0.827)
/* Android */
Color.parseColor("#a33cd3")
/* Flutter */
Color(0xFFA33CD3)
/* Python / OpenCV (BGR) */
(211, 60, 163)

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 #a33cd3 · 5.07:1
Use #ffffffAA at every size, AAA for large text only.
Aa
White text · 5.07:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 4.14:1
AA fail · AA large pass · AAA fail
Reading the other direction: #a33cd3 as text scores 5.07:1 on white and 4.14:1 on black.

Accessibility — WCAG contrast

Aa
#a33cd3 on white: 5.07:1
AA ✓ pass · AA-large · AAA
Aa
#a33cd3 on black: 4.14:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #0069D7
deuteranopia · #2C71D0
tritanopia · #9E5D84

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #a33cd3 is pinned to step 500; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F9F4FB
#F2E8F7
#E5CBF0
#D4A3EA
#BE76E0
#a33cd3
#972DC8
#7D26A6
#641E85
#4A1A61
#2E103C
Base = 500Lightest = 50 · #F9F4FBDarkest = 950 · #2E103C
:root {
  --brand-50: #F9F4FB;
  --brand-100: #F2E8F7;
  --brand-200: #E5CBF0;
  --brand-300: #D4A3EA;
  --brand-400: #BE76E0;
  --brand-500: #a33cd3;
  --brand-600: #972DC8;
  --brand-700: #7D26A6;
  --brand-800: #641E85;
  --brand-900: #4A1A61;
  --brand-950: #2E103C;
  --brand: #a33cd3;
  --brand-ink: #ffffff;
}

Colors that work with #a33cd3

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#F8F4FA
Tinted page background
Border#DEC0ED
Hairlines and dividers
Muted text#814B9B
Captions on the surface
Accent#6FAB21
Second voice, not a rival
Dark variant#4E1768
Hover, pressed, headers
Light variant#F5EAFA
Selected rows, tints
Dark surface#1F1424
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 #a33cd3

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#6CD33C
Analogous left#573CD3
Analogous right#D33CB8
Split-complement 1#B8D33C
Split-complement 2#3CD357
Triadic 1#D3A33C
Triadic 2#3CD3A3
Tetradic#D3573C

RGB percentages

Red63.9%
Green23.5%
Blue82.7%

CMYK percentages

Cyan22.7%
Magenta71.6%
Yellow0.0%
Key (black)17.3%

Color previews

#a33cd3 text on a black background

contrast 4.14:1

Card sample

#a33cd3 text on a white background

contrast 5.07:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #a33cd3;
Background color
Panel with #a33cd3 background
background-color: #a33cd3;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #a33cd3;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(163, 60, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(163, 60, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a33cd3;
background: linear-gradient(135deg, #a33cd3, #D33C9E);

Monochromatic scale

Palettes built from #a33cd3

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.

#a33cd3 in the real world

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

Industries
Creative toolsFintechBeautyLuxury
Common UI roles
ButtonsLinksFocus statesCharts
Print note

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

#a33cd3, answered

What color is #a33cd3?

#a33cd3 is a balanced vivid violet, closest to Dark Orchid (ΔE2000 3.1). It sits at 281° on the hue wheel with 63% saturation and 53% lightness, which reads as cool.

What is the RGB value of #a33cd3?

rgb(163, 60, 211) — 163 red, 60 green and 211 blue out of 255, or 63.9% / 23.5% / 82.7% by channel.

Is #a33cd3 a light or a dark color?

It is a dark color. Relative luminance is 0.1572 and perceived brightness is 48%, so white text on it reaches 5.07:1.

Should I use black or white text on #a33cd3?

White. It scores 5.07:1 against #a33cd3, versus 4.14:1 for black — AA at any size.

What is the complementary color of #a33cd3?

#6CD33C sits directly opposite on the wheel. Softer options are the split-complements #B8D33C and #3CD357, which give the same contrast with far less vibration.

What colors go well with #a33cd3?

For interface work: #F8F4FA as the surface, #DEC0ED for borders, #814B9B for secondary text, #6FAB21 as an accent and #4E1768 for hover and pressed states. For a palette, the analogous pair #573CD3 and #D33CB8 stays calm, while #6CD33C is the loudest partner.

What is #a33cd3 in CMYK for printing?

cmyk(23%, 72%, 0%, 17%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #a33cd3 warm or cool?

Cool — it scores 61 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #D33CCC; nudged cooler, #6B39D5.

Work with #a33cd3 in the Color Lab