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#1A277A Color

#1A277A is rgb(26, 39, 122) in RGB, hsl(232, 65%, 29%) in HSL, and about cmyk(79%, 68%, 0%, 52%) in CMYK. It has no registered color name of its own — the closest is St. Patrick's Blue (#23297A), below the threshold most people can see at ΔE 2.17. White text is the more readable choice on this background.

#1A277A
HEX#1A277A
RGBrgb(26, 39, 122)
HSLhsl(232, 65%, 29%)
HSVhsv(232, 79%, 48%)
CMYKcmyk(79%, 68%, 0%, 52%)
OKLCHoklch(32.4% 0.141 269.5)
LABlab(19.49% 20.34 -49.82)
LCHlch(19.49% 53.81 292.21)

What #1A277A 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 #1A277A, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

St. Patrick's Blue#23297AΔE 2.17Cosmic Cobalt#2E2D88ΔE 6.07Midnight Blue#191970ΔE 7.32Resolution Blue#002387ΔE 10.76Sapphire Navy#082567ΔE 10.95Blue (Pigment)#333399ΔE 12.02

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

#1A277A Channel Values

How #1A277A 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 39 · B 1228-bit channels as sent to the display
HSLH 232° · S 65% · L 29%Easiest model for building lighter and darker variants
HSVH 232° · S 79% · V 48%Matches the picker in most design tools
CMYKC 79% · M 68% · Y 0% · K 52%Approximate ink mix; confirm with an ICC profile before printing
Luminance13:1 vs white · 1.62:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1A277A 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 text13:1AA normal AA large AAA normal
Fails AABlack text1.62:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1A277A in the contrast checker.

Colors That Go With #1A277A

Pairings derived from color-wheel relationships. The complementary color sits opposite #1A277A; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1A277A
Complementary
#7A6D1A
Analogous
#1A577A
Analogous
#3D1A7A
Triadic
#7A1A27
Triadic
#277A1A
Split comp.
#7A3D1A
Split comp.
#577A1A

Tints & Shades of #1A277A

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

#2334A4
#2C41CE
#5265DA
#7887E2
#A2ACEB
#CDD2F4

Shades

#162169
#141D5D
#10184C
#0D143F
#0A0F2E
#070B22

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1A277A.

How #1A277A 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#1A277A
Protanopia#25257A
Protanomaly#21267A
Deuteranopia#23237A
Deuteranomaly#20257A
Tritanopia#003A3A
Tritanomaly#00335A
Achromatopsia#313131

Test a full palette in the color blindness simulator.

Using #1A277A in Code

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

CSS custom property--color-1a277a: #1A277A;
CSS backgroundbackground-color: #1A277A;
Tailwind configcolors: { 'color-1a277a': '#1A277A' }
SwiftUIColor(red: 0.102, green: 0.153, blue: 0.478)
Android XML<color name="color_1a277a">#1A277A</color>
SVG fillfill="#1A277A"

More Blue Colors

#1A277A sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#1A277A Frequently Asked Questions

What color is #1A277A?

#1A277A is a dark blue — rgb(26, 39, 122) in RGB and hsl(232, 65%, 29%) in HSL. It carries no registered color name of its own; the closest named color is St. Patrick's Blue (#23297A), which is below the threshold most people can see at a CIE76 distance of 2.17.

What is the RGB value of #1A277A?

#1A277A is rgb(26, 39, 122) — red 26, green 39, and blue 122 on the 0-255 scale.

What is the CMYK value of #1A277A?

#1A277A converts to approximately cmyk(79%, 68%, 0%, 52%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1A277A be black or white?

White text is the more readable choice. #1A277A scores 13:1 against white and 1.62:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1A277A as a CSS color keyword?

No. #1A277A 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 midnightblue (#191970) at a CIE76 distance of 7.32, which is clearly related but distinguishable side by side.

Open #1A277A 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.