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#1A81FF Color

#1A81FF is rgb(26, 129, 255) in RGB, hsl(213, 100%, 55%) in HSL, and about cmyk(90%, 49%, 0%, 0%) in CMYK. It has no registered color name of its own — the closest is Blueberry (#4F86F7), clearly related but distinguishable side by side at ΔE 8.9. Black text is the more readable choice on this background.

#1A81FF
HEX#1A81FF
RGBrgb(26, 129, 255)
HSLhsl(213, 100%, 55%)
HSVhsv(213, 90%, 100%)
CMYKcmyk(90%, 49%, 0%, 0%)
OKLCHoklch(62% 0.207 257.1)
LABlab(54.06% 9.06 -71.70)
LCHlch(54.06% 72.27 277.20)

What #1A81FF 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 #1A81FF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Blueberry#4F86F7ΔE 8.9Blue (Crayola)#1F75FEΔE 9.06Dodger Blue#1E90FFΔE 11.54Bluetiful#3C69E7ΔE 12.24Royal Blue#4169E1ΔE 12.41Vantg Blue#5271FFΔE 16.31

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

#1A81FF Channel Values

How #1A81FF 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 26 · G 129 · B 2558-bit channels as sent to the display
HSLH 213° · S 100% · L 55%Easiest model for building lighter and darker variants
HSVH 213° · S 90% · V 100%Matches the picker in most design tools
CMYKC 90% · M 49% · Y 0% · K 0%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 #1A81FF 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 #1A81FF in the contrast checker.

Colors That Go With #1A81FF

Pairings derived from color-wheel relationships. The complementary color sits opposite #1A81FF; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1A81FF
Complementary
#FF981A
Analogous
#1AF4FF
Analogous
#251AFF
Triadic
#FF1A81
Triadic
#81FF1A
Split comp.
#FF251A
Split comp.
#F4FF1A

Tints & Shades of #1A81FF

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

#3892FF
#57A2FF
#75B3FF
#99C7FF
#B8D8FF
#D6E9FF

Shades

#006EF5
#005CCC
#004CA8
#003C85
#002C61
#001938

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1A81FF.

How #1A81FF 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#1A81FF
Protanopia#7777FF
Protanomaly#5F7BFF
Deuteranopia#6C6CFF
Deuteranomaly#5775FF
Tritanopia#009999
Tritanomaly#0090CA
Achromatopsia#848484

Test a full palette in the color blindness simulator.

Using #1A81FF in Code

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

CSS custom property--color-1a81ff: #1A81FF;
CSS backgroundbackground-color: #1A81FF;
Tailwind configcolors: { 'color-1a81ff': '#1A81FF' }
SwiftUIColor(red: 0.102, green: 0.506, blue: 1.000)
Android XML<color name="color_1a81ff">#1A81FF</color>
SVG fillfill="#1A81FF"

More Blue Colors

#1A81FF sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#1A81FF Frequently Asked Questions

What color is #1A81FF?

#1A81FF is a mid-tone blue — rgb(26, 129, 255) in RGB and hsl(213, 100%, 55%) in HSL. It carries no registered color name of its own; the closest named color is Blueberry (#4F86F7), which is clearly related but distinguishable side by side at a CIE76 distance of 8.9.

What is the RGB value of #1A81FF?

#1A81FF is rgb(26, 129, 255) — red 26, green 129, and blue 255 on the 0-255 scale.

What is the CMYK value of #1A81FF?

#1A81FF converts to approximately cmyk(90%, 49%, 0%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1A81FF be black or white?

Black text is the more readable choice. #1A81FF 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 #1A81FF as a CSS color keyword?

No. #1A81FF 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 dodgerblue (#1E90FF) at a CIE76 distance of 11.54, which is visibly different.

Open #1A81FF 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.