#9129ec
a balanced, electric violet · cool · closest name: Blue Violet
Token name suggestion: True Amethyst
#9129ec is a balanced electric violet, 272° on the wheel and 66/100 on the cool side. Put white text on it (5.63:1). As text it scores 5.63:1 on white — safe at any size. Nearest name is Blue Violet, nearest Tailwind family is violet.
At a glance
Every number on this page in one read: what #9129ec is made of, how bright it looks, and which way it leans.
Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #9129ec.
Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.
Green carries most of what the eye calls brightness — that is why WCAG weights it 0.7152.
Every format
| HEX | #9129ec |
| HEX (8-digit) | #9129ecff |
| RGB | rgb(145, 41, 236) |
| RGBA | rgba(145, 41, 236, 1) |
| HSL | hsl(272, 84%, 54%) |
| HSV / HSB | hsv(272, 83%, 93%) |
| HWB | hwb(272 16% 7%) |
| CMYK | cmyk(39%, 83%, 0%, 8%) |
| LAB | lab(43.7 73.6 -77.9) |
| LCH | lch(43.7 107.2 313.4) |
| OKLCH | oklch(0.549 0.262 301.9) |
| XYZ (D65) | xyz(27.61, 13.66, 80.52) |
| Decimal | 9513452 |
| Display P3 | color(display-p3 0.569 0.161 0.925) |
| Web-safe | #9933FF |
Copy-ready code
/* CSS */
color: #9129ec;
background-color: #9129ec;
/* CSS custom property */
--brand: #9129ec;
/* Tailwind (arbitrary) */
class="text-[#9129ec] bg-[#9129ec]"
/* SCSS */
$brand: #9129ec;
/* SwiftUI */
Color(red: 0.569, green: 0.161, blue: 0.925)
/* UIKit */
UIColor(red: 0.569, green: 0.161, blue: 0.925, alpha: 1)
/* Android XML */
<color name="brand">#9129EC</color>
/* Android Compose */
Color(0xFF9129EC)
/* Flutter */
Color(0xFF9129EC)
/* Python / OpenCV (BGR) */
(236, 41, 145)
/* Python / PIL (RGB) */
(145, 41, 236)
/* Java AWT */
new Color(145, 41, 236)
/* .NET */
Color.FromArgb(255, 145, 41, 236)
/* OpenGL / Unity (0–1) */
(0.5686f, 0.1608f, 0.9255f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{145,41,236}/* mix without leaving CSS */ background: color-mix(in oklab, #9129ec 85%, white); border-color: color-mix(in oklab, #9129ec 40%, transparent); /* theme-aware in one line */ color: light-dark(#430A75, #E1D3EE); /* relative colour syntax */ --hover: hsl(from #9129ec h s calc(l - 7));
Design tokens
The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.
:root {
--brand-50: #F8F2FC;
--brand-100: #F0E6FA;
--brand-200: #DFC5F6;
--brand-300: #CA98F6;
--brand-400: #B064F1;
--brand-500: #9129ec;
--brand-600: #8114E1;
--brand-700: #6C11BB;
--brand-800: #560D96;
--brand-900: #400E6C;
--brand-950: #280944;
--brand: #9129ec;
--brand-ink: #ffffff;
--brand-surface: #F8F4FA;
--brand-border: #D8C0ED;
--brand-hover: #7F14DE;
--brand-pressed: #6C11BD;
}
@media (prefers-color-scheme: dark) {
:root {
--brand-surface: #1D1424;
--brand-ink: #E1D3EE;
}
}theme: {
extend: {
colors: {
brand: {
50: '#F8F2FC',
100: '#F0E6FA',
200: '#DFC5F6',
300: '#CA98F6',
400: '#B064F1',
500: '#9129ec',
600: '#8114E1',
700: '#6C11BB',
800: '#560D96',
900: '#400E6C',
950: '#280944',
DEFAULT: '#9129ec',
},
},
},
}$brand: (
'50': #F8F2FC,
'100': #F0E6FA,
'200': #DFC5F6,
'300': #CA98F6,
'400': #B064F1,
'500': #9129ec,
'600': #8114E1,
'700': #6C11BB,
'800': #560D96,
'900': #400E6C,
'950': #280944,
);
$brand-base: #9129ec;
$brand-ink: #ffffff;
@function brand($step) { @return map-get($brand, $step); }{
"color": {
"brand": {
"50": { "$value": "#F8F2FC", "$type": "color" },
"100": { "$value": "#F0E6FA", "$type": "color" },
"200": { "$value": "#DFC5F6", "$type": "color" },
"300": { "$value": "#CA98F6", "$type": "color" },
"400": { "$value": "#B064F1", "$type": "color" },
"500": { "$value": "#9129ec", "$type": "color" },
"600": { "$value": "#8114E1", "$type": "color" },
"700": { "$value": "#6C11BB", "$type": "color" },
"800": { "$value": "#560D96", "$type": "color" },
"900": { "$value": "#400E6C", "$type": "color" },
"950": { "$value": "#280944", "$type": "color" }
},
"brandInk": { "$value": "#ffffff", "$type": "color" }
}
}Best text color
Only one of black and white can be right. This is the one, with the number that proves it.
Make it accessible
A contrast checker tells you that you failed. This tells you what to ship instead — same hue, same saturation, lightness moved only as far as WCAG demands.
Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #9129EC is enough for headings on white. Non-text elements such as icons, chart strokes and focus rings also sit at 3:1 under WCAG 2.2 (1.4.11).
Accessibility — WCAG contrast
Contrast is symmetric, so each row covers both directions: #9129ec as text on that neutral, and that neutral as text on #9129ec.
| Neutral | Ratio | Verdict | Both directions |
|---|---|---|---|
| White#ffffff | 5.63:1 | AAAA lgAAA | AaAa |
| Slate 50#f8fafc | 5.38:1 | AAAA lgAAA | AaAa |
| Slate 100#f1f5f9 | 5.14:1 | AAAA lgAAA | AaAa |
| Slate 200#e2e8f0 | 4.56:1 | AAAA lgAAA | AaAa |
| Slate 300#cbd5e1 | 3.79:1 | AAAA lgAAA | AaAa |
| Slate 400#94a3b8 | 2.19:1 | AAAA lgAAA | AaAa |
| Slate 500#64748b | 1.18:1 | AAAA lgAAA | AaAa |
| Slate 600#475569 | 1.35:1 | AAAA lgAAA | AaAa |
| Slate 700#334155 | 1.84:1 | AAAA lgAAA | AaAa |
| Slate 800#1e293b | 2.60:1 | AAAA lgAAA | AaAa |
| Slate 900#0f172a | 3.17:1 | AAAA lgAAA | AaAa |
| Black#000000 | 3.73:1 | AAAA lgAAA | AaAa |
Roughly one man in twelve has some form of colour vision deficiency. If any of the three panels above is hard to tell apart from a neighbouring colour in your palette, add a shape, an icon or a label so the meaning does not rest on hue alone.
Color scale — 50 to 950
A Tailwind-shaped ramp built around this exact hex. #9129ec 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.
The same eleven steps expressed in OKLCH, where equal lightness numbers actually look equally spaced. HSL ramps go muddy in the yellows and washed out in the blues; this one does not. Modern browsers render it natively — the hex ramp above is the fallback.
:root {
--brand-50: oklch(0.97 0.066 301.9);
--brand-100: oklch(0.94 0.105 301.9);
--brand-200: oklch(0.88 0.157 301.9);
--brand-300: oklch(0.80 0.204 301.9);
--brand-400: oklch(0.72 0.241 301.9);
--brand-500: oklch(0.64 0.262 301.9);
--brand-600: oklch(0.56 0.262 301.9);
--brand-700: oklch(0.48 0.246 301.9);
--brand-800: oklch(0.40 0.220 301.9);
--brand-900: oklch(0.32 0.183 301.9);
--brand-950: oklch(0.24 0.144 301.9);
}Colors that work with #9129ec
Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.
Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.
Lightness flips, hue holds. The accent stays the anchor in both themes.
In real components
The same eight roles, wired into the interface patterns you will actually build with them. Every state below is a computed value, not a mock-up.
Focus ring uses the light variant so the field still reads as one shape.
The file stays available for seven days. Download it before it expires.
How to use #9129ec
Derived from its contrast, chroma and lightness — not from taste.
- ✓Body text and links on white
- ✓Primary buttons and calls to action
- ✓Focus rings, active and selected states
- ✓Brand accents, badges and data highlights
- ✓Chart series and data categories
- ⚠Full-page backgrounds — tiring over long sessions
- ⚠Pairing with a same-lightness hue — edges vibrate
Meaning and mood
What a colour in this family tends to signal, and how this particular chroma and lightness change the reading.
Violet sits between the warmth of red and the calm of blue, so it reads as inventive without reading as risky. Current shorthand for software craft.
At this chroma the association is amplified — it will dominate anything placed beside it, so give it space and use it sparingly. The mid lightness keeps it versatile in both themes.
Deep violets swallow detail on screens with poor gamma; check it on a cheap laptop panel.
- FormalityLow
- EnergyHigh
- Weight46/100
- TemperatureCool
- ApproachabilityReserved
Colour associations are cultural and vary by market. Treat these as a starting point for a conversation with your audience, not a finding about them.
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 | #84EC29 | Directly opposite — maximum tension | |
| Analogous left | #2F29EC | Neighbour, quieter | |
| Analogous right | #EC29E6 | Neighbour, quieter | |
| Split-complement 1 | #E6EC29 | Contrast without the clash | |
| Split-complement 2 | #29EC2F | Contrast without the clash | |
| Triadic 1 | #EC9129 | Even thirds — balanced and loud | |
| Triadic 2 | #29EC91 | Even thirds — balanced and loud | |
| Tetradic | #EC2F29 | Fourth corner of the square scheme |
#9129ec sits at 272°. Every dot is a harmony position and links to its own page in the table alongside.
RGB percentages
CMYK percentages
Total ink coverage is 129%. Most commercial presses cap around 300% — above that, sheets stop drying properly.
Color previews
#9129ec text on a black background
contrast 3.73:1
#9129ec text on a white background
contrast 5.63:1
#9129ec on grey
5.14:1
#9129ec on its own surface
5.17:1
#9129ec on its dark surface
3.17:1
CSS3 live lab
The quick brown fox
color: #9129ec;
background-color: #9129ec;
Glowing headline
text-shadow: 2px 2px 8px #9129ec;
Soft neon halo
text-shadow: 0 0 14px rgba(145, 41, 236, 0.45);
box-shadow: 0 12px 32px -8px rgba(145, 41, 236, 0.45);
border: 3px solid #9129ec; background: linear-gradient(135deg, #9129ec, #EC29C5);
Gradient headline
background: linear-gradient(90deg, #9129ec, #EC2994); -webkit-background-clip: text; color: transparent;
outline: 2px solid #9129ec; outline-offset: 3px;
Marked up text
text-decoration-color: #9129ec; caret-color: #9129ec;
border-left: 4px solid #9129ec;
background: #F3E8FD; box-shadow: inset 0 0 0 2px #9129ec;
background: conic-gradient(#9129ec 68%, #e2e8f0 0);
Transparency
What each alpha value actually composites to. The top row is #9129ec over white; the bottom row is the same alpha over a checkerboard, so you can see what survives on a photo or a video.
Bottom row of hexes is the flattened result over white — use those when a design tool refuses transparency, or when you need a solid fallback.
rgba(145, 41, 236, 0.5) rgb(145 41 236 / 50%) #9129ec80 hsl(272 84% 54% / 50%) color-mix(in srgb, #9129ec 50%, transparent)
| Alpha | 8-digit hex | Flat on white |
|---|---|---|
| 10% | #9129ec1a | #F4EAFD |
| 20% | #9129ec33 | #E9D4FB |
| 40% | #9129ec66 | #D3A9F7 |
| 60% | #9129ec99 | #BD7FF4 |
| 80% | #9129eccc | #A754F0 |
Gradients from #9129ec
Six recipes, each built from this hex and shown with the exact CSS that produced it.
background: linear-gradient(135deg, #AE61F1, #9129ec 45%, #430A75);
background: linear-gradient(120deg, #9129ec, #E214A8);
background: linear-gradient(90deg, #9129ec, #84EC29);
background: radial-gradient(120% 120% at 20% 0%, #BC7DF3 0%, #9129ec 45%, #430A75 100%);
background: linear-gradient(180deg, #F8F4FA, #ffffff);
background: radial-gradient(60% 60% at 15% 20%, #585FF0 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #EE45DB 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #430A75 0%, transparent 65%), #9129ec;
Monochromatic scale
Palettes built from #9129ec
Shades — darker
Tints — lighter
Tones — desaturated
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.
Closest color with a full write-up: Ultramarine (#3f00ff) — ΔE2000 10.6 away, with its history, psychology and brand usage.
#9129ec in the real world
Where a color in this family tends to land, and the interface roles it is usually asked to play.
Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.
Holds up across typical panel gamma. Still worth checking on an uncalibrated laptop, where mid-tones shift most.
Too dim on dark surfaces at 3.73:1 — lift it to #9F45EE for body text, or reserve it for fills.
Explore nearby colors
Small, deliberate steps away from this hex — useful when you are hunting for the version of a colour that finally feels right.
#9129ec, answered
What color is #9129ec?
#9129ec is a balanced electric violet, closest to Blue Violet (ΔE2000 1.7). It sits at 272° on the hue wheel with 84% saturation and 54% lightness, which reads as cool.
What is the RGB value of #9129ec?
rgb(145, 41, 236) — 145 red, 41 green and 236 blue out of 255, or 56.9% / 16.1% / 92.5% by channel.
What is #9129ec in HSL and HSV?
hsl(272, 84%, 54%) and hsv(272, 83%, 93%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.
Is #9129ec a light or a dark color?
It is a dark color. Relative luminance is 0.1366 and perceived brightness is 46%, so white text on it reaches 5.63:1.
Should I use black or white text on #9129ec?
White. It scores 5.63:1 against #9129ec, versus 3.73:1 for black — AA at any size.
Is #9129ec accessible on a white background?
#9129ec on white scores 5.63:1, which clears AA at every size but not AAA.
What is the complementary color of #9129ec?
#84EC29 sits directly opposite on the wheel. Softer options are the split-complements #E6EC29 and #29EC2F, which give the same contrast with far less vibration.
What colors go well with #9129ec?
For interface work: #F8F4FA as the surface, #D8C0ED for borders, #754B9B for secondary text, #8DC00C as an accent and #430A75 for hover and pressed states. For a palette, the analogous pair #2F29EC and #EC29E6 stays calm, while #84EC29 is the loudest partner.
What is #9129ec in CMYK for printing?
cmyk(39%, 83%, 0%, 8%). 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 #9129ec warm or cool?
Cool — it scores 66 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #D829EC; nudged cooler, #4827EE.
Which Tailwind color is closest to #9129ec?
The violet family — its 500 step is #8b5cf6, ΔE2000 9.8 away. That is a visible difference, so define #9129ec as a custom token rather than reaching for the built-in.
How do I use #9129ec in Tailwind CSS?
Inline it as an arbitrary value with bg-[#9129ec] or text-[#9129ec], or register the whole ramp under theme.extend.colors.brand so you get bg-brand-500 and friends. The generated 50–950 scale on this page is ready to paste into your config.
What is #9129ec with 50% opacity?
rgba(145, 41, 236, 0.5), or #9129ec80 in eight-digit hex. Over white that composites to #C894F6; over black, #491576.
Is #9129ec a web-safe color?
No. The nearest web-safe colour is #9933FF, ΔE2000 3.7 away. The palette only matters for legacy displays and some email clients now.
What does the color #9129ec mean?
As a violet, it reads creative, premium, modern. Violet sits between the warmth of red and the calm of blue, so it reads as inventive without reading as risky. Current shorthand for software craft. At this chroma the effect is amplified — it will dominate whatever sits beside it.
What gradient works with #9129ec?
The safest is same-hue elevation: linear-gradient(135deg, #AE61F1, #9129ec 45%, #430A75). For more colour, a short hue run to #E214A8 keeps it rich without turning muddy.
Work with #9129ec in the Color Lab
Every tool opens with this colour already loaded.
Every value on this page is computed from #9129ec at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.