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#311A75 Color

#311A75 is rgb(49, 26, 117) in RGB, hsl(255, 64%, 28%) in HSL, and about cmyk(58%, 78%, 0%, 54%) in CMYK. It has no registered color name of its own — the closest is Midnight Blue (#191970), clearly related but distinguishable side by side at ΔE 5.99. White text is the more readable choice on this background.

#311A75
HEX#311A75
RGBrgb(49, 26, 117)
HSLhsl(255, 64%, 28%)
HSVhsv(255, 78%, 46%)
CMYKcmyk(58%, 78%, 0%, 54%)
OKLCHoklch(31.5% 0.144 286.4)
LABlab(17.93% 30.82 -49.10)
LCHlch(17.93% 57.97 302.12)

What #311A75 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 #311A75, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Midnight Blue#191970ΔE 5.99Persian Indigo#32127AΔE 7.04Spanish Violet#4C2882ΔE 8.39Cosmic Cobalt#2E2D88ΔE 9.05KSU Purple#512888ΔE 9.59St. Patrick's Blue#23297AΔE 10.73

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

#311A75 Channel Values

How #311A75 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 49 · G 26 · B 1178-bit channels as sent to the display
HSLH 255° · S 64% · L 28%Easiest model for building lighter and darker variants
HSVH 255° · S 78% · V 46%Matches the picker in most design tools
CMYKC 58% · M 78% · Y 0% · K 54%Approximate ink mix; confirm with an ICC profile before printing
Luminance13.68:1 vs white · 1.54:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #311A75 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 text13.68:1AA normal AA large AAA normal
Fails AABlack text1.54:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #311A75 in the contrast checker.

Colors That Go With #311A75

Pairings derived from color-wheel relationships. The complementary color sits opposite #311A75; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#311A75
Complementary
#5E751A
Analogous
#1A3175
Analogous
#5E1A75
Triadic
#75311A
Triadic
#1A7531
Split comp.
#755E1A
Split comp.
#31751A

Tints & Shades of #311A75

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

#42239F
#532CC9
#724FD8
#9379E2
#B5A3EB
#D7CDF4

Shades

#2B1769
#241358
#1F114B
#180D3B
#130A2E
#0C061D

Want a full 50-950 ramp with semantic roles? Generate design tokens from #311A75.

How #311A75 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#311A75
Protanopia#1F1F75
Protanomaly#271D75
Deuteranopia#232375
Deuteranomaly#292075
Tritanopia#183232
Tritanomaly#242A55
Achromatopsia#2D2D2D

Test a full palette in the color blindness simulator.

Using #311A75 in Code

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

CSS custom property--color-311a75: #311A75;
CSS backgroundbackground-color: #311A75;
Tailwind configcolors: { 'color-311a75': '#311A75' }
SwiftUIColor(red: 0.192, green: 0.102, blue: 0.459)
Android XML<color name="color_311a75">#311A75</color>
SVG fillfill="#311A75"

More Purple Colors

#311A75 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

150024fdf8ff170b22fdf4ff1b0d35faf5ff1d0731fae8ff1e0033f6cfff20002ef3e8ff3000524020605414906600cc7008e78806ce9900cca11fffb19cd9c27affcebeefe0b2eb

#311A75 Frequently Asked Questions

What color is #311A75?

#311A75 is a dark purple — rgb(49, 26, 117) in RGB and hsl(255, 64%, 28%) in HSL. It carries no registered color name of its own; the closest named color is Midnight Blue (#191970), which is clearly related but distinguishable side by side at a CIE76 distance of 5.99.

What is the RGB value of #311A75?

#311A75 is rgb(49, 26, 117) — red 49, green 26, and blue 117 on the 0-255 scale.

What is the CMYK value of #311A75?

#311A75 converts to approximately cmyk(58%, 78%, 0%, 54%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #311A75 be black or white?

White text is the more readable choice. #311A75 scores 13.68:1 against white and 1.54:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #311A75 as a CSS color keyword?

No. #311A75 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 midnightblue (#191970) at a CIE76 distance of 5.99, which is clearly related but distinguishable side by side.

Open #311A75 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

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