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#1F72A3 Color

#1F72A3 is rgb(31, 114, 163) in RGB, hsl(202, 68%, 38%) in HSL, and about cmyk(81%, 30%, 0%, 36%) in CMYK. It has no registered color name of its own — the closest is Sea Blue (#006994), clearly related but distinguishable side by side at ΔE 5.29. White text is the more readable choice on this background.

#1F72A3
HEX#1F72A3
RGBrgb(31, 114, 163)
HSLhsl(202, 68%, 38%)
HSVhsv(202, 81%, 64%)
CMYKcmyk(81%, 30%, 0%, 36%)
OKLCHoklch(52.8% 0.108 240.2)
LABlab(45.06% -11.39 -33.90)
LCHlch(45.06% 35.76 251.42)

What #1F72A3 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 #1F72A3, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Sea Blue#006994ΔE 5.29Cerulean#007BA7ΔE 6.47Steel Blue#4682B4ΔE 7.63Star Command Blue#007BB8ΔE 7.75Queen Blue#436B95ΔE 9.18Medium Persian Blue#0067A5ΔE 9.27

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

#1F72A3 Channel Values

How #1F72A3 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 31 · G 114 · B 1638-bit channels as sent to the display
HSLH 202° · S 68% · L 38%Easiest model for building lighter and darker variants
HSVH 202° · S 81% · V 64%Matches the picker in most design tools
CMYKC 81% · M 30% · Y 0% · K 36%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.26:1 vs white · 3.99:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1F72A3 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 text5.26:1AA normal AA large AAA normal
Fails AABlack text3.99:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1F72A3 in the contrast checker.

Colors That Go With #1F72A3

Pairings derived from color-wheel relationships. The complementary color sits opposite #1F72A3; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1F72A3
Complementary
#A34F1F
Analogous
#1FA391
Analogous
#1F31A3
Triadic
#A31F72
Triadic
#72A31F
Split comp.
#A31F31
Split comp.
#A3911F

Tints & Shades of #1F72A3

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

#268EC9
#3EA1DA
#65B4E2
#87C5E8
#AED7EF
#D0E8F6

Shades

#1B638D
#175478
#134563
#103951
#0B2A3C
#071B27

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1F72A3.

How #1F72A3 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#1F72A3
Protanopia#6969A3
Protanomaly#556DA3
Deuteranopia#6060A4
Deuteranomaly#4E68A4
Tritanopia#007A7A
Tritanomaly#00778C
Achromatopsia#6C6C6C

Test a full palette in the color blindness simulator.

Using #1F72A3 in Code

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

CSS custom property--color-1f72a3: #1F72A3;
CSS backgroundbackground-color: #1F72A3;
Tailwind configcolors: { 'color-1f72a3': '#1F72A3' }
SwiftUIColor(red: 0.122, green: 0.447, blue: 0.639)
Android XML<color name="color_1f72a3">#1F72A3</color>
SVG fillfill="#1F72A3"

More Blue Colors

#1F72A3 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#1F72A3 Frequently Asked Questions

What color is #1F72A3?

#1F72A3 is a dark blue — rgb(31, 114, 163) in RGB and hsl(202, 68%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Sea Blue (#006994), which is clearly related but distinguishable side by side at a CIE76 distance of 5.29.

What is the RGB value of #1F72A3?

#1F72A3 is rgb(31, 114, 163) — red 31, green 114, and blue 163 on the 0-255 scale.

What is the CMYK value of #1F72A3?

#1F72A3 converts to approximately cmyk(81%, 30%, 0%, 36%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1F72A3 be black or white?

White text is the more readable choice. #1F72A3 scores 5.26:1 against white and 3.99:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1F72A3 as a CSS color keyword?

No. #1F72A3 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 7.63, which is clearly related but distinguishable side by side.

Open #1F72A3 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.