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#31239F Color

#31239F is rgb(49, 35, 159) in RGB, hsl(247, 64%, 38%) in HSL, and about cmyk(69%, 78%, 0%, 38%) in CMYK. It has no registered color name of its own — the closest is Samsung Blue (#12279E), clearly related but distinguishable side by side at ΔE 6.05. White text is the more readable choice on this background.

#31239F
HEX#31239F
RGBrgb(49, 35, 159)
HSLhsl(247, 64%, 38%)
HSVhsv(247, 78%, 62%)
CMYKcmyk(69%, 78%, 0%, 38%)
OKLCHoklch(37.1% 0.187 277.2)
LABlab(23.64% 37.20 -65.92)
LCHlch(23.64% 75.69 299.43)

What #31239F 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 #31239F, 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 blue in the library.

#31239F Channel Values

How #31239F 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 35 · B 1598-bit channels as sent to the display
HSLH 247° · S 64% · L 38%Easiest model for building lighter and darker variants
HSVH 247° · S 78% · V 62%Matches the picker in most design tools
CMYKC 69% · M 78% · Y 0% · K 38%Approximate ink mix; confirm with an ICC profile before printing
Luminance11.22:1 vs white · 1.87:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #31239F 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 text11.22:1AA normal AA large AAA normal
Fails AABlack text1.87:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #31239F in the contrast checker.

Colors That Go With #31239F

Pairings derived from color-wheel relationships. The complementary color sits opposite #31239F; 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 #31239F

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 #31239F.

How #31239F 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#31239F
Protanopia#26269F
Protanomaly#2B259F
Deuteranopia#28289F
Deuteranomaly#2C269F
Tritanopia#004444
Tritanomaly#113A74
Achromatopsia#3B3B3B

Test a full palette in the color blindness simulator.

Using #31239F in Code

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

CSS custom property--color-31239f: #31239F;
CSS backgroundbackground-color: #31239F;
Tailwind configcolors: { 'color-31239f': '#31239F' }
SwiftUIColor(red: 0.192, green: 0.137, blue: 0.624)
Android XML<color name="color_31239f">#31239F</color>
SVG fillfill="#31239F"

More Blue Colors

#31239F sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

#31239F Frequently Asked Questions

What color is #31239F?

#31239F is a dark blue — rgb(49, 35, 159) in RGB and hsl(247, 64%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Samsung Blue (#12279E), which is clearly related but distinguishable side by side at a CIE76 distance of 6.05.

What is the RGB value of #31239F?

#31239F is rgb(49, 35, 159) — red 49, green 35, and blue 159 on the 0-255 scale.

What is the CMYK value of #31239F?

#31239F converts to approximately cmyk(69%, 78%, 0%, 38%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #31239F be black or white?

White text is the more readable choice. #31239F scores 11.22:1 against white and 1.87:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #31239F as a CSS color keyword?

No. #31239F 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 navy (#000080) at a CIE76 distance of 12.93, which is visibly different.

Open #31239F in a Tool

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