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#40255F Color

#40255F is rgb(64, 37, 95) in RGB, hsl(268, 44%, 26%) in HSL, and about cmyk(33%, 61%, 0%, 63%) in CMYK. It has no registered color name of its own — the closest is Russian Violet (#32174D), clearly related but distinguishable side by side at ΔE 6.64. White text is the more readable choice on this background.

#40255F
HEX#40255F
RGBrgb(64, 37, 95)
HSLhsl(268, 44%, 26%)
HSVhsv(268, 61%, 37%)
CMYKcmyk(33%, 61%, 0%, 63%)
OKLCHoklch(33% 0.101 302.7)
LABlab(20.68% 23.06 -30.24)
LCHlch(20.68% 38.03 307.33)

What #40255F Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #40255F, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Browse the full index of named colors A-Z or every purple in the library.

#40255F Channel Values

How #40255F breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 64 · G 37 · B 958-bit channels as sent to the display
HSLH 268° · S 44% · L 26%Easiest model for building lighter and darker variants
HSVH 268° · S 61% · V 37%Matches the picker in most design tools
CMYKC 33% · M 61% · Y 0% · K 63%Approximate ink mix; confirm with an ICC profile before printing
Luminance12.74:1 vs white · 1.65:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #40255F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text12.74:1AA normal AA large AAA normal
Fails AABlack text1.65:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #40255F in the contrast checker.

Colors That Go With #40255F

Pairings derived from color-wheel relationships. The complementary color sits opposite #40255F; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #40255F

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #40255F.

How #40255F Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#40255F
Protanopia#2B2B5F
Protanomaly#34295F
Deuteranopia#30305F
Deuteranomaly#372C5F
Tritanopia#383131
Tritanomaly#3B2D48
Achromatopsia#323232

Test a full palette in the color blindness simulator.

Using #40255F in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-40255f: #40255F;
CSS backgroundbackground-color: #40255F;
Tailwind configcolors: { 'color-40255f': '#40255F' }
SwiftUIColor(red: 0.251, green: 0.145, blue: 0.373)
Android XML<color name="color_40255f">#40255F</color>
SVG fillfill="#40255F"

More Purple Colors

#40255F sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

#40255F Frequently Asked Questions

What color is #40255F?

#40255F is a dark purple — rgb(64, 37, 95) in RGB and hsl(268, 44%, 26%) in HSL. It carries no registered color name of its own; the closest named color is Russian Violet (#32174D), which is clearly related but distinguishable side by side at a CIE76 distance of 6.64.

What is the RGB value of #40255F?

#40255F is rgb(64, 37, 95) — red 64, green 37, and blue 95 on the 0-255 scale.

What is the CMYK value of #40255F?

#40255F converts to approximately cmyk(33%, 61%, 0%, 63%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #40255F be black or white?

White text is the more readable choice. #40255F scores 12.74:1 against white and 1.65:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #40255F as a CSS color keyword?

No. #40255F is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkslateblue (#483D8B) at a CIE76 distance of 15.86, which is visibly different.

Open #40255F in a Tool

Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.