What are the hex codes in the Ultraviolet palette?

The Ultraviolet color palette consists of Indigo #3A0CA3, Grape #7209B7, Magenta #B5179E, Rose #F72585.

How should I use the Ultraviolet palette on a website?

Use Rose #F72585 as the background, Indigo #3A0CA3 for text, Grape #7209B7 for buttons and links, and Magenta #B5179E for accents. No pair inside the palette reaches 4.5:1, so add black or white for body text.

Which colors in Ultraviolet have enough contrast for text?

The highest-contrast pair is #3A0CA3 on #F72585 with a ratio of 3.16:1, which passes WCAG AA for large text only.

#3A0CA3Indigo

#7209B7Grape

#B5179EMagenta

#F72585Rose

Ultraviolet color palette

Neon Gradient Vibrant Purple Pink

Color codes click any value to copy

Name	HEX	RGB	HSL	OKLCH
Indigo	`#3A0CA3`	`rgb(58, 12, 163)`	`hsl(258, 86%, 34%)`	`oklch(36.2% 0.206 283)`
Grape	`#7209B7`	`rgb(114, 9, 183)`	`hsl(276, 91%, 38%)`	`oklch(44.7% 0.228 304)`
Magenta	`#B5179E`	`rgb(181, 23, 158)`	`hsl(309, 77%, 40%)`	`oklch(53.6% 0.225 336)`
Rose	`#F72585`	`rgb(247, 37, 133)`	`hsl(333, 93%, 56%)`	`oklch(64.3% 0.244 1)`

Why it works and how to use it

Ultraviolet is a vivid split color palette tagged neon, gradient, vibrant. A split scheme: Indigo plays against Rose across roughly 75° of hue. Saturation runs high, so use the brightest color sparingly and let the others carry the surface area. Warm and cool hues are mixed, which adds depth.

With 4 chromatic colors, Grape takes the lead while the rest support. Lightness runs from 34% to 56%. Well suited to websites, presentations and branding.

Background: Rose (#F72585) is the lightest color, so it belongs on large surfaces.
Text: Indigo (#3A0CA3) on #F72585 gives 3.16:1, enough for large headings only.
Primary: Grape (#7209B7) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
Accent: Magenta (#B5179E) for highlights, badges and hover states.

No pair inside the palette reaches 4.5:1, so add black or white for body text.

Preview on a real UI see how the palette feels in context

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Design faster with Ultraviolet

A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.

Primary action Secondary

Card title

Roles are assigned by lightness.

Color blindness simulation

#3A0CA3

#7209B7

#B5179E

#F72585

Color-blind check: under protanopia and deuteranopia, Indigo and Grape, Indigo and Magenta, Grape and Magenta become hard to tell apart, so do not rely on that pair alone to carry meaning.

Palette card

Contrast check WCAG ratios between palette colors

Pair	Sample	Ratio	Level
`#3A0CA3` on `#F72585`	Aa	3.16:1	AA large only
`#7209B7` on `#F72585`	Aa	2.28:1	Fail
`#3A0CA3` on `#B5179E`	Aa	2.03:1	Fail
`#B5179E` on `#F72585`	Aa	1.55:1	Fail
`#7209B7` on `#B5179E`	Aa	1.47:1	Fail
`#3A0CA3` on `#7209B7`	Aa	1.38:1	Fail

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