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#3D66AE Color

#3D66AE is rgb(61, 102, 174) in RGB, hsl(218, 48%, 46%) in HSL, and about cmyk(65%, 41%, 0%, 32%) in CMYK. It has no registered color name of its own — the closest is Green-blue (#1164B4), clearly related but distinguishable side by side at ΔE 7.19. White text is the more readable choice on this background.

#3D66AE
HEX#3D66AE
RGBrgb(61, 102, 174)
HSLhsl(218, 48%, 46%)
HSVhsv(218, 65%, 68%)
CMYKcmyk(65%, 41%, 0%, 32%)
OKLCHoklch(51.6% 0.123 260.9)
LABlab(42.96% 3.61 -43.56)
LCHlch(42.96% 43.71 274.74)

What #3D66AE 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 #3D66AE, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Green-blue#1164B4ΔE 7.19B'dazzled Blue#2E5894ΔE 8.7Lapis Lazuli#26619CΔE 9.21Yinmn Blue#2E5090ΔE 9.67Spanish Blue#0070B8ΔE 9.99Medium Electric Blue#035096ΔE 10.13

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

#3D66AE Channel Values

How #3D66AE 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 61 · G 102 · B 1748-bit channels as sent to the display
HSLH 218° · S 48% · L 46%Easiest model for building lighter and darker variants
HSVH 218° · S 65% · V 68%Matches the picker in most design tools
CMYKC 65% · M 41% · Y 0% · K 32%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.66:1 vs white · 3.71:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #3D66AE 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 text5.66:1AA normal AA large AAA normal
Fails AABlack text3.71:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #3D66AE in the contrast checker.

Colors That Go With #3D66AE

Pairings derived from color-wheel relationships. The complementary color sits opposite #3D66AE; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#3D66AE
Complementary
#AE843D
Analogous
#3D9FAE
Analogous
#4C3DAE
Triadic
#AE3D66
Triadic
#66AE3D
Split comp.
#AE4C3D
Split comp.
#9FAE3D

Tints & Shades of #3D66AE

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

#4E78C1
#6C8FCB
#86A3D5
#A4BADF
#BFCEE8
#DDE5F3

Shades

#355997
#2D4C80
#253E6A
#1D3153
#15243C
#0D1626

Want a full 50-950 ramp with semantic roles? Generate design tokens from #3D66AE.

How #3D66AE 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#3D66AE
Protanopia#6060AE
Protanomaly#5463AE
Deuteranopia#5B5BAE
Deuteranomaly#5160AE
Tritanopia#197272
Tritanomaly#2B6E8E
Achromatopsia#676767

Test a full palette in the color blindness simulator.

Using #3D66AE in Code

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

CSS custom property--color-3d66ae: #3D66AE;
CSS backgroundbackground-color: #3D66AE;
Tailwind configcolors: { 'color-3d66ae': '#3D66AE' }
SwiftUIColor(red: 0.239, green: 0.400, blue: 0.682)
Android XML<color name="color_3d66ae">#3D66AE</color>
SVG fillfill="#3D66AE"

More Blue Colors

#3D66AE sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#3D66AE Frequently Asked Questions

What color is #3D66AE?

#3D66AE is a mid-tone blue — rgb(61, 102, 174) in RGB and hsl(218, 48%, 46%) in HSL. It carries no registered color name of its own; the closest named color is Green-blue (#1164B4), which is clearly related but distinguishable side by side at a CIE76 distance of 7.19.

What is the RGB value of #3D66AE?

#3D66AE is rgb(61, 102, 174) — red 61, green 102, and blue 174 on the 0-255 scale.

What is the CMYK value of #3D66AE?

#3D66AE converts to approximately cmyk(65%, 41%, 0%, 32%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #3D66AE be black or white?

White text is the more readable choice. #3D66AE scores 5.66:1 against white and 3.71:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #3D66AE as a CSS color keyword?

No. #3D66AE 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 18.44, which is visibly different.

Open #3D66AE 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.