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#7b2ba2

a dark, vivid violet · cool · closest name: Rebecca Purple

RGB
123, 43, 162
HSL
280°, 58%, 40%
CMYK
24, 74, 0, 37
Luminance
0.0855

At a glance

Every number on this page in one read: what #7b2ba2 is made of, how bright it looks, and which way it leans.

Hex
#7b2ba2
Hue
280°
violet
Saturation
58%
vivid
Lightness
40%
dark
Brightness
64%
HSV value
Perceived
36%
weighted brightness
Luminance
0.0855
WCAG relative
Temperature
Cool
61/100 cool
Color family
Violet
Tone
Vivid
Best ink
White
7.75:1
Closest name
Rebecca Purple
ΔE2000 4.1
Where it sits
Hue280° of 360°
Saturation58%
Lightness40%
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#7b2ba2
RGBrgb(123, 43, 162)
HSLhsl(280, 58%, 40%)
CMYKcmyk(24%, 74%, 0%, 37%)
LABlab(35.1 53.2 -48.9)
LCHlch(35.1 72.3 317.4)
OKLCHoklch(0.464 0.186 312.0)
Decimal8072098
Display P3color(display-p3 0.482 0.169 0.635)

Copy-ready code

/* CSS */
color: #7b2ba2;
background-color: #7b2ba2;
/* Tailwind (arbitrary) */
class="text-[#7b2ba2] bg-[#7b2ba2]"
/* SCSS */
$brand: #7b2ba2;
/* SwiftUI */
Color(red: 0.482, green: 0.169, blue: 0.635)
/* Android */
Color.parseColor("#7b2ba2")
/* Flutter */
Color(0xFF7B2BA2)
/* Python / OpenCV (BGR) */
(162, 43, 123)

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 #7b2ba2 · 7.75:1
Use #ffffffAAA at every size.
Aa
White text · 7.75:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 2.71:1
AA fail · AA large fail · AAA fail
Reading the other direction: #7b2ba2 as text scores 7.75:1 on white and 2.71:1 on black.

Accessibility — WCAG contrast

Aa
#7b2ba2 on white: 7.75:1
AA ✓ pass · AA-large · AAA
Aa
#7b2ba2 on black: 2.71:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #004FA5
deuteranopia · #1B549F
tritanopia · #764564

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #7b2ba2 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.

#F9F4FB
#F2E9F7
#E4CDEF
#D2A6E7
#BC7ADC
#A54ED0
#9333C1
#7b2ba2
#622281
#481D5E
#2D123B
Base = 700Lightest = 50 · #F9F4FBDarkest = 950 · #2D123B
:root {
  --brand-50: #F9F4FB;
  --brand-100: #F2E9F7;
  --brand-200: #E4CDEF;
  --brand-300: #D2A6E7;
  --brand-400: #BC7ADC;
  --brand-500: #A54ED0;
  --brand-600: #9333C1;
  --brand-700: #7b2ba2;
  --brand-800: #622281;
  --brand-900: #481D5E;
  --brand-950: #2D123B;
  --brand: #7b2ba2;
  --brand-ink: #ffffff;
}

Colors that work with #7b2ba2

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#6FA527
Second voice, not a rival
Dark variant#4C1B65
Hover, pressed, headers
Light variant#F5EBFA
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 #7b2ba2

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#52A22B
Analogous left#3F2BA2
Analogous right#A22B8E
Split-complement 1#8EA22B
Split-complement 2#2BA23F
Triadic 1#A27B2B
Triadic 2#2BA27B
Tetradic#A23F2B

RGB percentages

Red48.2%
Green16.9%
Blue63.5%

CMYK percentages

Cyan24.1%
Magenta73.5%
Yellow0.0%
Key (black)36.5%

Color previews

#7b2ba2 text on a black background

contrast 2.71:1

Card sample

#7b2ba2 text on a white background

contrast 7.75:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #7b2ba2;
Background color
Panel with #7b2ba2 background
background-color: #7b2ba2;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #7b2ba2;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(123, 43, 162, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(123, 43, 162, 0.45);
Border & gradient
Gradient panel
border: 3px solid #7b2ba2;
background: linear-gradient(135deg, #7b2ba2, #A22B7A);

Monochromatic scale

Palettes built from #7b2ba2

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.

#7b2ba2 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.

#7b2ba2, answered

What color is #7b2ba2?

#7b2ba2 is a dark vivid violet, closest to Rebecca Purple (ΔE2000 4.1). It sits at 280° on the hue wheel with 58% saturation and 40% lightness, which reads as cool.

What is the RGB value of #7b2ba2?

rgb(123, 43, 162) — 123 red, 43 green and 162 blue out of 255, or 48.2% / 16.9% / 63.5% by channel.

Is #7b2ba2 a light or a dark color?

It is a dark color. Relative luminance is 0.0855 and perceived brightness is 36%, so white text on it reaches 7.75:1.

Should I use black or white text on #7b2ba2?

White. It scores 7.75:1 against #7b2ba2, versus 2.71:1 for black — AAA at any size.

What is the complementary color of #7b2ba2?

#52A22B sits directly opposite on the wheel. Softer options are the split-complements #8EA22B and #2BA23F, which give the same contrast with far less vibration.

What colors go well with #7b2ba2?

For interface work: #F8F4FA as the surface, #DEC0ED for borders, #814B9B for secondary text, #6FA527 as an accent and #4C1B65 for hover and pressed states. For a palette, the analogous pair #3F2BA2 and #A22B8E stays calm, while #52A22B is the loudest partner.

What is #7b2ba2 in CMYK for printing?

cmyk(24%, 74%, 0%, 37%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #7b2ba2 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 #A22B9D; nudged cooler, #4F29A4.

Work with #7b2ba2 in the Color Lab