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#638797 Color

#638797 is rgb(99, 135, 151) in RGB, hsl(198, 21%, 49%) in HSL, and about cmyk(34%, 11%, 0%, 41%) in CMYK. It has no registered color name of its own — the closest is Steel Teal (#5F8A8F), clearly related but distinguishable side by side at ΔE 6.81. Black text is the more readable choice on this background.

#638797
HEX#638797
RGBrgb(99, 135, 151)
HSLhsl(198, 21%, 49%)
HSVhsv(198, 34%, 59%)
CMYKcmyk(34%, 11%, 0%, 41%)
OKLCHoklch(60.2% 0.047 227.2)
LABlab(54.05% -9.97 -12.88)
LCHlch(54.05% 16.29 232.26)

What #638797 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 #638797, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Steel Teal#5F8A8FΔE 6.81Light Slate Gray#778899ΔE 6.93Slate Gray#708090ΔE 7.15Air Force Blue#5D8AA8ΔE 8.27Shadow Blue#778BA5ΔE 8.49Teal Blue#367588ΔE 11.36

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

#638797 Channel Values

How #638797 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 99 · G 135 · B 1518-bit channels as sent to the display
HSLH 198° · S 21% · L 49%Easiest model for building lighter and darker variants
HSVH 198° · S 34% · V 59%Matches the picker in most design tools
CMYKC 34% · M 11% · Y 0% · K 41%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.86:1 vs white · 5.44:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #638797 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 text3.86:1AA normal AA large AAA normal
TextBlack text5.44:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #638797 in the contrast checker.

Colors That Go With #638797

Pairings derived from color-wheel relationships. The complementary color sits opposite #638797; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#638797
Complementary
#977263
Analogous
#63978D
Analogous
#636D97
Triadic
#976387
Triadic
#879763
Split comp.
#97636D
Split comp.
#978D63

Tints & Shades of #638797

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

#7798A6
#8DA9B4
#A2B9C3
#B8C9D1
#CEDADF
#E3EAED

Shades

#577785
#49646F
#3C535D
#2E4047
#222F34
#141C1F

Want a full 50-950 ramp with semantic roles? Generate design tokens from #638797.

How #638797 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#638797
Protanopia#828297
Protanomaly#778497
Deuteranopia#7D7D98
Deuteranomaly#738197
Tritanopia#608989
Tritanomaly#61888F
Achromatopsia#828282

Test a full palette in the color blindness simulator.

Using #638797 in Code

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

CSS custom property--color-638797: #638797;
CSS backgroundbackground-color: #638797;
Tailwind configcolors: { 'color-638797': '#638797' }
SwiftUIColor(red: 0.388, green: 0.529, blue: 0.592)
Android XML<color name="color_638797">#638797</color>
SVG fillfill="#638797"

More Teal Colors

#638797 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#638797 Frequently Asked Questions

What color is #638797?

#638797 is a mid-tone teal — rgb(99, 135, 151) in RGB and hsl(198, 21%, 49%) in HSL. It carries no registered color name of its own; the closest named color is Steel Teal (#5F8A8F), which is clearly related but distinguishable side by side at a CIE76 distance of 6.81.

What is the RGB value of #638797?

#638797 is rgb(99, 135, 151) — red 99, green 135, and blue 151 on the 0-255 scale.

What is the CMYK value of #638797?

#638797 converts to approximately cmyk(34%, 11%, 0%, 41%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #638797 be black or white?

Black text is the more readable choice. #638797 scores 3.86:1 against white and 5.44:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #638797 as a CSS color keyword?

No. #638797 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 6.93, which is clearly related but distinguishable side by side.

Open #638797 in a Tool

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

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