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#30658D Color

#30658D is rgb(48, 101, 141) in RGB, hsl(206, 49%, 37%) in HSL, and about cmyk(66%, 28%, 0%, 45%) in CMYK. It has no registered color name of its own — the closest is Queen Blue (#436B95), very hard to tell apart at ΔE 4.54. White text is the more readable choice on this background.

#30658D
HEX#30658D
RGBrgb(48, 101, 141)
HSLhsl(206, 49%, 37%)
HSVhsv(206, 66%, 55%)
CMYKcmyk(66%, 28%, 0%, 45%)
OKLCHoklch(48.9% 0.086 243.7)
LABlab(40.58% -8.08 -27.83)
LCHlch(40.58% 28.98 253.81)

What #30658D 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 #30658D, 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.

#30658D Channel Values

How #30658D 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 48 · G 101 · B 1418-bit channels as sent to the display
HSLH 206° · S 49% · L 37%Easiest model for building lighter and darker variants
HSVH 206° · S 66% · V 55%Matches the picker in most design tools
CMYKC 66% · M 28% · Y 0% · K 45%Approximate ink mix; confirm with an ICC profile before printing
Luminance6.23:1 vs white · 3.37:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #30658D 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 text6.23:1AA normal AA large AAA normal
Fails AABlack text3.37:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #30658D in the contrast checker.

Colors That Go With #30658D

Pairings derived from color-wheel relationships. The complementary color sits opposite #30658D; 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 #30658D

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 #30658D.

How #30658D 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#30658D
Protanopia#5E5E8D
Protanomaly#50618D
Deuteranopia#58588E
Deuteranomaly#4B5D8D
Tritanopia#1D6B6B
Tritanomaly#26697A
Achromatopsia#616161

Test a full palette in the color blindness simulator.

Using #30658D in Code

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

CSS custom property--color-30658d: #30658D;
CSS backgroundbackground-color: #30658D;
Tailwind configcolors: { 'color-30658d': '#30658D' }
SwiftUIColor(red: 0.188, green: 0.396, blue: 0.553)
Android XML<color name="color_30658d">#30658D</color>
SVG fillfill="#30658D"

More Blue Colors

#30658D sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

#30658D Frequently Asked Questions

What color is #30658D?

#30658D is a dark blue — rgb(48, 101, 141) in RGB and hsl(206, 49%, 37%) in HSL. It carries no registered color name of its own; the closest named color is Queen Blue (#436B95), which is very hard to tell apart at a CIE76 distance of 4.54.

What is the RGB value of #30658D?

#30658D is rgb(48, 101, 141) — red 48, green 101, and blue 141 on the 0-255 scale.

What is the CMYK value of #30658D?

#30658D converts to approximately cmyk(66%, 28%, 0%, 45%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #30658D be black or white?

White text is the more readable choice. #30658D scores 6.23:1 against white and 3.37:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #30658D as a CSS color keyword?

No. #30658D 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 12.46, which is visibly different.

Open #30658D in a Tool

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