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#657281 Color

#657281 is rgb(101, 114, 129) in RGB, hsl(212, 12%, 45%) in HSL, and about cmyk(22%, 12%, 0%, 49%) in CMYK. It has no registered color name of its own — the closest is Slate Gray (#708090), clearly related but distinguishable side by side at ΔE 5.47. White text is the more readable choice on this background.

#657281
HEX#657281
RGBrgb(101, 114, 129)
HSLhsl(212, 12%, 45%)
HSVhsv(212, 22%, 51%)
CMYKcmyk(22%, 12%, 0%, 49%)
OKLCHoklch(54.7% 0.028 252.1)
LABlab(47.35% -2.40 -10.03)
LCHlch(47.35% 10.31 256.52)

What #657281 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 #657281, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Slate Gray#708090ΔE 5.47Dark Electric Blue#536878ΔE 5.57Cadet#536872ΔE 6.36Black Coral#54626FΔE 6.71Steel#71797EΔE 6.85Light Slate Gray#778899ΔE 8.58

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

#657281 Channel Values

How #657281 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 114 · B 1298-bit channels as sent to the display
HSLH 212° · S 12% · L 45%Easiest model for building lighter and darker variants
HSVH 212° · S 22% · V 51%Matches the picker in most design tools
CMYKC 22% · M 12% · Y 0% · K 49%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.91:1 vs white · 4.28:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #657281 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 text4.91:1AA normal AA large AAA normal
Fails AABlack text4.28:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #657281 in the contrast checker.

Colors That Go With #657281

Pairings derived from color-wheel relationships. The complementary color sits opposite #657281; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#657281
Complementary
#817465
Analogous
#658081
Analogous
#666581
Triadic
#816572
Triadic
#728165
Split comp.
#816665
Split comp.
#808165

Tints & Shades of #657281

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

#798696
#8D98A5
#A4ADB7
#B8BFC7
#CED3D9
#E2E5E9

Shades

#58636F
#4A535E
#3D444D
#31383F
#24282E
#16191D

Want a full 50-950 ramp with semantic roles? Generate design tokens from #657281.

How #657281 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#657281
Protanopia#707081
Protanomaly#6C7181
Deuteranopia#6E6E81
Deuteranomaly#6A7081
Tritanopia#637474
Tritanomaly#647379
Achromatopsia#717171

Test a full palette in the color blindness simulator.

Using #657281 in Code

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

CSS custom property--color-657281: #657281;
CSS backgroundbackground-color: #657281;
Tailwind configcolors: { 'color-657281': '#657281' }
SwiftUIColor(red: 0.396, green: 0.447, blue: 0.506)
Android XML<color name="color_657281">#657281</color>
SVG fillfill="#657281"

More Blue Colors

#657281 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#657281 Frequently Asked Questions

What color is #657281?

#657281 is a mid-tone blue — rgb(101, 114, 129) in RGB and hsl(212, 12%, 45%) in HSL. It carries no registered color name of its own; the closest named color is Slate Gray (#708090), which is clearly related but distinguishable side by side at a CIE76 distance of 5.47.

What is the RGB value of #657281?

#657281 is rgb(101, 114, 129) — red 101, green 114, and blue 129 on the 0-255 scale.

What is the CMYK value of #657281?

#657281 converts to approximately cmyk(22%, 12%, 0%, 49%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #657281 be black or white?

White text is the more readable choice. #657281 scores 4.91:1 against white and 4.28:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #657281 as a CSS color keyword?

No. #657281 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 slategray (#708090) at a CIE76 distance of 5.47, which is clearly related but distinguishable side by side.

Open #657281 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.