Skip to content

#63B7CA Color

#63B7CA is rgb(99, 183, 202) in RGB, hsl(191, 49%, 59%) in HSL, and about cmyk(51%, 9%, 0%, 21%) in CMYK. It has no registered color name of its own — the closest is Moonstone (#3AA8C1), clearly related but distinguishable side by side at ΔE 8.26. Black text is the more readable choice on this background.

#63B7CA
HEX#63B7CA
RGBrgb(99, 183, 202)
HSLhsl(191, 49%, 59%)
HSVhsv(191, 51%, 79%)
CMYKcmyk(51%, 9%, 0%, 21%)
OKLCHoklch(73.4% 0.086 214.2)
LABlab(69.68% -22.70 -18.00)
LCHlch(69.68% 28.97 218.40)

What #63B7CA 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 #63B7CA, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Moonstone#3AA8C1ΔE 8.26Maximum Blue#47ABCCΔE 9.23Moonstone Blue#73A9C2ΔE 9.84Middle Blue#7ED4E6ΔE 10.34Dark Sky Blue#8CBED6ΔE 10.99Sky Blue#87CEEBΔE 11.19

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

#63B7CA Channel Values

How #63B7CA 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 183 · B 2028-bit channels as sent to the display
HSLH 191° · S 49% · L 59%Easiest model for building lighter and darker variants
HSVH 191° · S 51% · V 79%Matches the picker in most design tools
CMYKC 51% · M 9% · Y 0% · K 21%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.29:1 vs white · 9.16:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #63B7CA 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 text2.29:1AA normal AA large AAA normal
TextBlack text9.16:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #63B7CA in the contrast checker.

Colors That Go With #63B7CA

Pairings derived from color-wheel relationships. The complementary color sits opposite #63B7CA; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#63B7CA
Complementary
#CA7663
Analogous
#63CAA9
Analogous
#6384CA
Triadic
#CA63B7
Triadic
#B7CA63
Split comp.
#CA6384
Split comp.
#CAA963

Tints & Shades of #63B7CA

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

#7AC1D1
#8DCAD8
#A4D5E0
#B7DEE6
#CEE8EE
#E1F1F5

Shades

#45A9BF
#3890A3
#2E7585
#245E6A
#1A434C
#10282E

Want a full 50-950 ramp with semantic roles? Generate design tokens from #63B7CA.

How #63B7CA 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#63B7CA
Protanopia#ACACCA
Protanomaly#95B1CA
Deuteranopia#A1A1CB
Deuteranomaly#8DAACB
Tritanopia#5DBABA
Tritanomaly#60B9C0
Achromatopsia#ABABAB

Test a full palette in the color blindness simulator.

Using #63B7CA in Code

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

CSS custom property--color-63b7ca: #63B7CA;
CSS backgroundbackground-color: #63B7CA;
Tailwind configcolors: { 'color-63b7ca': '#63B7CA' }
SwiftUIColor(red: 0.388, green: 0.718, blue: 0.792)
Android XML<color name="color_63b7ca">#63B7CA</color>
SVG fillfill="#63B7CA"

More Teal Colors

#63B7CA sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#63B7CA Frequently Asked Questions

What color is #63B7CA?

#63B7CA is a mid-tone teal — rgb(99, 183, 202) in RGB and hsl(191, 49%, 59%) in HSL. It carries no registered color name of its own; the closest named color is Moonstone (#3AA8C1), which is clearly related but distinguishable side by side at a CIE76 distance of 8.26.

What is the RGB value of #63B7CA?

#63B7CA is rgb(99, 183, 202) — red 99, green 183, and blue 202 on the 0-255 scale.

What is the CMYK value of #63B7CA?

#63B7CA converts to approximately cmyk(51%, 9%, 0%, 21%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #63B7CA be black or white?

Black text is the more readable choice. #63B7CA scores 2.29:1 against white and 9.16:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #63B7CA as a CSS color keyword?

No. #63B7CA 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 skyblue (#87CEEB) at a CIE76 distance of 11.19, which is visibly different.

Open #63B7CA 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.