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#1B0E58 Color

#1B0E58 is rgb(27, 14, 88) in RGB, hsl(251, 73%, 20%) in HSL, and about cmyk(69%, 84%, 0%, 65%) in CMYK. It has no registered color name of its own — the closest is Midnight Blue (#191970), clearly related but distinguishable side by side at ΔE 9.36. White text is the more readable choice on this background.

#1B0E58
HEX#1B0E58
RGBrgb(27, 14, 88)
HSLhsl(251, 73%, 20%)
HSVhsv(251, 84%, 35%)
CMYKcmyk(69%, 84%, 0%, 65%)
OKLCHoklch(24.6% 0.123 280.4)
LABlab(10.19% 25.49 -42.85)
LCHlch(10.19% 49.86 300.75)

What #1B0E58 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 #1B0E58, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Midnight Blue#191970ΔE 9.36St. Patrick's Blue#23297AΔE 12.65Sapphire Navy#082567ΔE 14.21Russian Violet#32174DΔE 15.05Cosmic Cobalt#2E2D88ΔE 16.19Persian Indigo#32127AΔE 16.66

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

#1B0E58 Channel Values

How #1B0E58 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 27 · G 14 · B 888-bit channels as sent to the display
HSLH 251° · S 73% · L 20%Easiest model for building lighter and darker variants
HSVH 251° · S 84% · V 35%Matches the picker in most design tools
CMYKC 69% · M 84% · Y 0% · K 65%Approximate ink mix; confirm with an ICC profile before printing
Luminance16.8:1 vs white · 1.25:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1B0E58 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 text16.8:1AA normal AA large AAA normal
Fails AABlack text1.25:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1B0E58 in the contrast checker.

Colors That Go With #1B0E58

Pairings derived from color-wheel relationships. The complementary color sits opposite #1B0E58; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1B0E58
Complementary
#4B580E
Analogous
#0E2558
Analogous
#410E58
Triadic
#581B0E
Triadic
#0E581B
Split comp.
#58410E
Split comp.
#25580E

Tints & Shades of #1B0E58

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

#2B1589
#3A1DB9
#5030DF
#7C65E7
#A695EE
#CFC6F6

Shades

#190C4F
#150A42
#120939
#0F0831
#0C0628
#08041A

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1B0E58.

How #1B0E58 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#1B0E58
Protanopia#111158
Protanomaly#151058
Deuteranopia#131358
Deuteranomaly#171158
Tritanopia#002222
Tritanomaly#0C1C3E
Achromatopsia#1D1D1D

Test a full palette in the color blindness simulator.

Using #1B0E58 in Code

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

CSS custom property--color-1b0e58: #1B0E58;
CSS backgroundbackground-color: #1B0E58;
Tailwind configcolors: { 'color-1b0e58': '#1B0E58' }
SwiftUIColor(red: 0.106, green: 0.055, blue: 0.345)
Android XML<color name="color_1b0e58">#1B0E58</color>
SVG fillfill="#1B0E58"

More Blue Colors

#1B0E58 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#1B0E58 Frequently Asked Questions

What color is #1B0E58?

#1B0E58 is a dark blue — rgb(27, 14, 88) in RGB and hsl(251, 73%, 20%) in HSL. It carries no registered color name of its own; the closest named color is Midnight Blue (#191970), which is clearly related but distinguishable side by side at a CIE76 distance of 9.36.

What is the RGB value of #1B0E58?

#1B0E58 is rgb(27, 14, 88) — red 27, green 14, and blue 88 on the 0-255 scale.

What is the CMYK value of #1B0E58?

#1B0E58 converts to approximately cmyk(69%, 84%, 0%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1B0E58 be black or white?

White text is the more readable choice. #1B0E58 scores 16.8:1 against white and 1.25:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1B0E58 as a CSS color keyword?

No. #1B0E58 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 9.36, which is clearly related but distinguishable side by side.

Open #1B0E58 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.