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#3371A3 Color

#3371A3 is rgb(51, 113, 163) in RGB, hsl(207, 52%, 42%) in HSL, and about cmyk(69%, 31%, 0%, 36%) in CMYK. It has no registered color name of its own — the closest is Queen Blue (#436B95), clearly related but distinguishable side by side at ΔE 6.66. White text is the more readable choice on this background.

#3371A3
HEX#3371A3
RGBrgb(51, 113, 163)
HSLhsl(207, 52%, 42%)
HSVhsv(207, 69%, 64%)
CMYKcmyk(69%, 31%, 0%, 36%)
OKLCHoklch(53.1% 0.101 245.7)
LABlab(45.35% -7.78 -33.40)
LCHlch(45.35% 34.29 256.88)

What #3371A3 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 #3371A3, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Queen Blue#436B95ΔE 6.66Steel Blue#4682B4ΔE 6.68Blue Yonder#5072A7ΔE 7.45Sea Blue#006994ΔE 7.61Medium Persian Blue#0067A5ΔE 8.81Lapis Lazuli#26619CΔE 8.86

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

#3371A3 Channel Values

How #3371A3 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 51 · G 113 · B 1638-bit channels as sent to the display
HSLH 207° · S 52% · L 42%Easiest model for building lighter and darker variants
HSVH 207° · S 69% · V 64%Matches the picker in most design tools
CMYKC 69% · M 31% · Y 0% · K 36%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.21:1 vs white · 4.03:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #3371A3 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 text5.21:1AA normal AA large AAA normal
Fails AABlack text4.03:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #3371A3 in the contrast checker.

Colors That Go With #3371A3

Pairings derived from color-wheel relationships. The complementary color sits opposite #3371A3; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#3371A3
Complementary
#A36633
Analogous
#33A39D
Analogous
#3339A3
Triadic
#A33371
Triadic
#71A333
Split comp.
#A33339
Split comp.
#A39D33

Tints & Shades of #3371A3

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

#3D86C2
#5C99CC
#7BADD5
#9AC0DF
#B9D3E9
#D8E7F3

Shades

#2D638F
#265378
#204665
#18364E
#12283A
#0B1823

Want a full 50-950 ramp with semantic roles? Generate design tokens from #3371A3.

How #3371A3 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#3371A3
Protanopia#6969A3
Protanomaly#596DA3
Deuteranopia#6262A4
Deuteranomaly#5368A3
Tritanopia#157979
Tritanomaly#24768C
Achromatopsia#6D6D6D

Test a full palette in the color blindness simulator.

Using #3371A3 in Code

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

CSS custom property--color-3371a3: #3371A3;
CSS backgroundbackground-color: #3371A3;
Tailwind configcolors: { 'color-3371a3': '#3371A3' }
SwiftUIColor(red: 0.200, green: 0.443, blue: 0.639)
Android XML<color name="color_3371a3">#3371A3</color>
SVG fillfill="#3371A3"

More Blue Colors

#3371A3 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#3371A3 Frequently Asked Questions

What color is #3371A3?

#3371A3 is a mid-tone blue — rgb(51, 113, 163) in RGB and hsl(207, 52%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Queen Blue (#436B95), which is clearly related but distinguishable side by side at a CIE76 distance of 6.66.

What is the RGB value of #3371A3?

#3371A3 is rgb(51, 113, 163) — red 51, green 113, and blue 163 on the 0-255 scale.

What is the CMYK value of #3371A3?

#3371A3 converts to approximately cmyk(69%, 31%, 0%, 36%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #3371A3 be black or white?

White text is the more readable choice. #3371A3 scores 5.21:1 against white and 4.03:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #3371A3 as a CSS color keyword?

No. #3371A3 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 steelblue (#4682B4) at a CIE76 distance of 6.68, which is clearly related but distinguishable side by side.

Open #3371A3 in a Tool

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

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