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#65899F Color

#65899F is rgb(101, 137, 159) in RGB, hsl(203, 23%, 51%) in HSL, and about cmyk(36%, 14%, 0%, 38%) in CMYK. It has no registered color name of its own — the closest is Air Force Blue (#5D8AA8), clearly related but distinguishable side by side at ΔE 5.14. Black text is the more readable choice on this background.

#65899F
HEX#65899F
RGBrgb(101, 137, 159)
HSLhsl(203, 23%, 51%)
HSVhsv(203, 36%, 62%)
CMYKcmyk(36%, 14%, 0%, 38%)
OKLCHoklch(61.1% 0.052 235.6)
LABlab(55.00% -8.74 -16.03)
LCHlch(55.00% 18.26 241.39)

What #65899F 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 #65899F, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Air Force Blue#5D8AA8ΔE 5.14Shadow Blue#778BA5ΔE 6.28Light Slate Gray#778899ΔE 7.15Slate Gray#708090ΔE 7.94Steel Teal#5F8A8FΔE 10.07Air Superiority Blue#72A0C1ΔE 10.58

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

#65899F Channel Values

How #65899F 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 101 · G 137 · B 1598-bit channels as sent to the display
HSLH 203° · S 23% · L 51%Easiest model for building lighter and darker variants
HSVH 203° · S 36% · V 62%Matches the picker in most design tools
CMYKC 36% · M 14% · Y 0% · K 38%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.73:1 vs white · 5.63:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #65899F 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.

Fails AAWhite text3.73:1AA normal AA large AAA normal
TextBlack text5.63:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #65899F in the contrast checker.

Colors That Go With #65899F

Pairings derived from color-wheel relationships. The complementary color sits opposite #65899F; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#65899F
Complementary
#9F7B65
Analogous
#659F98
Analogous
#656C9F
Triadic
#9F6589
Triadic
#899F65
Split comp.
#9F656C
Split comp.
#9F9865

Tints & Shades of #65899F

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

#7B9AAD
#8EA8B8
#A4B9C6
#BACAD4
#D0DBE2
#E3E9ED

Shades

#56768A
#4B6677
#3D5361
#2F404B
#212E35
#161E23

Want a full 50-950 ramp with semantic roles? Generate design tokens from #65899F.

How #65899F 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#65899F
Protanopia#84849F
Protanomaly#79869F
Deuteranopia#7F7FA0
Deuteranomaly#75839F
Tritanopia#608C8C
Tritanomaly#628B94
Achromatopsia#848484

Test a full palette in the color blindness simulator.

Using #65899F in Code

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

CSS custom property--color-65899f: #65899F;
CSS backgroundbackground-color: #65899F;
Tailwind configcolors: { 'color-65899f': '#65899F' }
SwiftUIColor(red: 0.396, green: 0.537, blue: 0.624)
Android XML<color name="color_65899f">#65899F</color>
SVG fillfill="#65899F"

More Blue Colors

#65899F sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#65899F Frequently Asked Questions

What color is #65899F?

#65899F is a mid-tone blue — rgb(101, 137, 159) in RGB and hsl(203, 23%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Air Force Blue (#5D8AA8), which is clearly related but distinguishable side by side at a CIE76 distance of 5.14.

What is the RGB value of #65899F?

#65899F is rgb(101, 137, 159) — red 101, green 137, and blue 159 on the 0-255 scale.

What is the CMYK value of #65899F?

#65899F converts to approximately cmyk(36%, 14%, 0%, 38%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #65899F be black or white?

Black text is the more readable choice. #65899F scores 3.73:1 against white and 5.63:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #65899F as a CSS color keyword?

No. #65899F 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 lightslategray (#778899) at a CIE76 distance of 7.15, which is clearly related but distinguishable side by side.

Open #65899F 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.