Skip to content

#001BCC Color

#001BCC is rgb(0, 27, 204) in RGB, hsl(232, 100%, 40%) in HSL, and about cmyk(100%, 87%, 0%, 20%) in CMYK. It has no registered color name of its own — the closest is Medium Blue (#0000CD), clearly related but distinguishable side by side at ΔE 9.36. White text is the more readable choice on this background.

#001BCC
HEX#001BCC
RGBrgb(0, 27, 204)
HSLhsl(232, 100%, 40%)
HSVhsv(232, 100%, 80%)
CMYKcmyk(100%, 87%, 0%, 20%)
OKLCHoklch(39.8% 0.254 264.2)
LABlab(25.09% 50.19 -90.38)
LCHlch(25.09% 103.38 299.04)

What #001BCC 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 #001BCC, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Blue#0000CDΔE 9.36Palatinate Blue#273BE2ΔE 12.63Iridescent Indigo#3C32CDΔE 14.39Neon Blue#1B03A3ΔE 14.59Zaffer (Zaffre)#0014A8ΔE 14.88Duke Blue#00009CΔE 16.19

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

#001BCC Channel Values

How #001BCC 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 0 · G 27 · B 2048-bit channels as sent to the display
HSLH 232° · S 100% · L 40%Easiest model for building lighter and darker variants
HSVH 232° · S 100% · V 80%Matches the picker in most design tools
CMYKC 100% · M 87% · Y 0% · K 20%Approximate ink mix; confirm with an ICC profile before printing
Luminance10.35:1 vs white · 2.03:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #001BCC 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 text10.35:1AA normal AA large AAA normal
Fails AABlack text2.03:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #001BCC in the contrast checker.

Colors That Go With #001BCC

Pairings derived from color-wheel relationships. The complementary color sits opposite #001BCC; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#001BCC
Complementary
#CCB100
Analogous
#0081CC
Analogous
#4B00CC
Triadic
#CC001B
Triadic
#1BCC00
Split comp.
#CC4B00
Split comp.
#81CC00

Tints & Shades of #001BCC

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

#0021F5
#2441FF
#4D64FF
#7588FF
#9EABFF
#CCD3FF

Shades

#0018B3
#001499
#001180
#000D61
#000A47
#00062E

Want a full 50-950 ramp with semantic roles? Generate design tokens from #001BCC.

How #001BCC 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#001BCC
Protanopia#1818CC
Protanomaly#1119CC
Deuteranopia#1515CC
Deuteranomaly#0E17CC
Tritanopia#005353
Tritanomaly#004393
Achromatopsia#404040

Test a full palette in the color blindness simulator.

Using #001BCC in Code

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

CSS custom property--color-001bcc: #001BCC;
CSS backgroundbackground-color: #001BCC;
Tailwind configcolors: { 'color-001bcc': '#001BCC' }
SwiftUIColor(red: 0.000, green: 0.106, blue: 0.800)
Android XML<color name="color_001bcc">#001BCC</color>
SVG fillfill="#001BCC"

More Blue Colors

#001BCC sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#001BCC Frequently Asked Questions

What color is #001BCC?

#001BCC is a mid-tone blue — rgb(0, 27, 204) in RGB and hsl(232, 100%, 40%) in HSL. It carries no registered color name of its own; the closest named color is Medium Blue (#0000CD), which is clearly related but distinguishable side by side at a CIE76 distance of 9.36.

What is the RGB value of #001BCC?

#001BCC is rgb(0, 27, 204) — red 0, green 27, and blue 204 on the 0-255 scale.

What is the CMYK value of #001BCC?

#001BCC converts to approximately cmyk(100%, 87%, 0%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #001BCC be black or white?

White text is the more readable choice. #001BCC scores 10.35:1 against white and 2.03:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #001BCC as a CSS color keyword?

No. #001BCC 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 mediumblue (#0000CD) at a CIE76 distance of 9.36, which is clearly related but distinguishable side by side.

Open #001BCC 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.