#A638BC Color

#A638BC is rgb(166, 56, 188) in RGB, hsl(290, 54%, 48%) in HSL, and about cmyk(12%, 70%, 0%, 26%) in CMYK. It has no registered color name of its own — the closest is Medium Orchid (#BA55D3), clearly related but distinguishable side by side at ΔE 9.28. White text is the more readable choice on this background.

#A638BC

HEX#A638BC

RGBrgb(166, 56, 188)

HSLhsl(290, 54%, 48%)

HSVhsv(290, 70%, 74%)

CMYKcmyk(12%, 70%, 0%, 26%)

OKLCHoklch(55.3% 0.211 320.5)

LABlab(44.76% 58.41 -48.09)

LCHlch(44.76% 75.66 320.53)

What #A638BC 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 #A638BC, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Orchid#BA55D3ΔE 9.28 Mauveine#8D029BΔE 11.49 Dark Orchid#9932CCΔE 12.77 Steel Pink#CC33CCΔE 14.28 Deep Fuchsia#C154C1ΔE 14.53 Dark Magenta#8B008BΔE 15.59

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

#A638BC Channel Values

How #A638BC breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 166 · G 56 · B 188	8-bit channels as sent to the display
HSL	H 290° · S 54% · L 48%	Easiest model for building lighter and darker variants
HSV	H 290° · S 70% · V 74%	Matches the picker in most design tools
CMYK	C 12% · M 70% · Y 0% · K 26%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	5.37:1 vs white · 3.91:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A638BC 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 text5.37:1AA normal AA large AAA normal

Fails AABlack text3.91:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A638BC in the contrast checker.

Colors That Go With #A638BC

Pairings derived from color-wheel relationships. The complementary color sits opposite #A638BC; 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 #A638BC

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 #A638BC.

How #A638BC 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#A638BC

Protanopia#5858BC

Protanomaly#7F4DBC

Deuteranopia#6D6DBA

Deuteranomaly#875CBB

Tritanopia#9A5858

Tritanomaly#9F4D8B

Achromatopsia#6B6B6B

Test a full palette in the color blindness simulator.

Using #A638BC in Code

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

CSS custom property--color-a638bc: #A638BC;

CSS backgroundbackground-color: #A638BC;

Tailwind configcolors: { 'color-a638bc': '#A638BC' }

SwiftUIColor(red: 0.651, green: 0.220, blue: 0.737)

Android XML<color name="color_a638bc">#A638BC</color>

SVG fillfill="#A638BC"

More Pink Colors

#A638BC sits in the pink family. These are its neighbours across that family's full range, each with its own breakdown.

200e15 fff5ff 240024 fff5f8 2e051f fff0ff 2f1d2f fff0f6 301934 fff0f5 330033 ffe0f0 57001d 754875 940094 a800b7 c43162 d07cd0 e0115f e936a7 f38fa9 fb64b6 ff0a85 ff70b8

#A638BC Frequently Asked Questions

What color is #A638BC?

#A638BC is a mid-tone pink — rgb(166, 56, 188) in RGB and hsl(290, 54%, 48%) in HSL. It carries no registered color name of its own; the closest named color is Medium Orchid (#BA55D3), which is clearly related but distinguishable side by side at a CIE76 distance of 9.28.

What is the RGB value of #A638BC?

#A638BC is rgb(166, 56, 188) — red 166, green 56, and blue 188 on the 0-255 scale.

What is the CMYK value of #A638BC?

#A638BC converts to approximately cmyk(12%, 70%, 0%, 26%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A638BC be black or white?

White text is the more readable choice. #A638BC scores 5.37:1 against white and 3.91:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A638BC as a CSS color keyword?

No. #A638BC 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 mediumorchid (#BA55D3) at a CIE76 distance of 9.28, which is clearly related but distinguishable side by side.

Open #A638BC in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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