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#1D4DFC Color

#1D4DFC is rgb(29, 77, 252) in RGB, hsl(227, 97%, 55%) in HSL, and about cmyk(88%, 69%, 0%, 1%) in CMYK. It has no registered color name of its own — the closest is Palatinate Blue (#273BE2), clearly related but distinguishable side by side at ΔE 8.26. White text is the more readable choice on this background.

#1D4DFC
HEX#1D4DFC
RGBrgb(29, 77, 252)
HSLhsl(227, 97%, 55%)
HSVhsv(227, 88%, 99%)
CMYKcmyk(88%, 69%, 0%, 1%)
OKLCHoklch(52.1% 0.261 265.1)
LABlab(40.40% 39.01 -92.32)
LCHlch(40.40% 100.22 292.91)

What #1D4DFC 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 #1D4DFC, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Palatinate Blue#273BE2ΔE 8.26Iridescent Indigo#3C32CDΔE 15.79Very Light Blue#6666FFΔE 17.99Philippine Sky Blue#0066FFΔE 18.13Ultramarine Blue#4166F5ΔE 21.45Majorelle Blue#6050DCΔE 21.5

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

#1D4DFC Channel Values

How #1D4DFC 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 29 · G 77 · B 2528-bit channels as sent to the display
HSLH 227° · S 97% · L 55%Easiest model for building lighter and darker variants
HSVH 227° · S 88% · V 99%Matches the picker in most design tools
CMYKC 88% · M 69% · Y 0% · K 1%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.97:1 vs white · 3.52:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1D4DFC 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 text5.97:1AA normal AA large AAA normal
Fails AABlack text3.52:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1D4DFC in the contrast checker.

Colors That Go With #1D4DFC

Pairings derived from color-wheel relationships. The complementary color sits opposite #1D4DFC; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1D4DFC
Complementary
#FCCB1D
Analogous
#1DBCFC
Analogous
#5C1DFC
Triadic
#FC1D4D
Triadic
#4DFC1D
Split comp.
#FC5C1D
Split comp.
#BCFC1D

Tints & Shades of #1D4DFC

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

#3B65FC
#597DFC
#7794FD
#9BB0FD
#B9C8FE
#D7DFFE

Shades

#0437F1
#032EC9
#0326A6
#021E83
#01165F
#010D37

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1D4DFC.

How #1D4DFC 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#1D4DFC
Protanopia#4747FC
Protanomaly#3B4AFC
Deuteranopia#4242FC
Deuteranomaly#3646FC
Tritanopia#007878
Tritanomaly#0069BC
Achromatopsia#636363

Test a full palette in the color blindness simulator.

Using #1D4DFC in Code

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

CSS custom property--color-1d4dfc: #1D4DFC;
CSS backgroundbackground-color: #1D4DFC;
Tailwind configcolors: { 'color-1d4dfc': '#1D4DFC' }
SwiftUIColor(red: 0.114, green: 0.302, blue: 0.988)
Android XML<color name="color_1d4dfc">#1D4DFC</color>
SVG fillfill="#1D4DFC"

More Blue Colors

#1D4DFC sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#1D4DFC Frequently Asked Questions

What color is #1D4DFC?

#1D4DFC is a mid-tone blue — rgb(29, 77, 252) in RGB and hsl(227, 97%, 55%) in HSL. It carries no registered color name of its own; the closest named color is Palatinate Blue (#273BE2), which is clearly related but distinguishable side by side at a CIE76 distance of 8.26.

What is the RGB value of #1D4DFC?

#1D4DFC is rgb(29, 77, 252) — red 29, green 77, and blue 252 on the 0-255 scale.

What is the CMYK value of #1D4DFC?

#1D4DFC converts to approximately cmyk(88%, 69%, 0%, 1%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1D4DFC be black or white?

White text is the more readable choice. #1D4DFC scores 5.97:1 against white and 3.52:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1D4DFC as a CSS color keyword?

No. #1D4DFC 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 26.08, which is a different colour altogether.

Open #1D4DFC 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.