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#1D5CFC Color

#1D5CFC is rgb(29, 92, 252) in RGB, hsl(223, 97%, 55%) in HSL, and about cmyk(88%, 63%, 0%, 1%) in CMYK. It has no registered color name of its own — the closest is Philippine Sky Blue (#0066FF), clearly related but distinguishable side by side at ΔE 6.97. White text is the more readable choice on this background.

#1D5CFC
HEX#1D5CFC
RGBrgb(29, 92, 252)
HSLhsl(223, 97%, 55%)
HSVhsv(223, 88%, 99%)
CMYKcmyk(88%, 63%, 0%, 1%)
OKLCHoklch(54.6% 0.246 263.7)
LABlab(44.01% 30.15 -86.38)
LCHlch(44.01% 91.49 289.24)

What #1D5CFC 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 #1D5CFC, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Philippine Sky Blue#0066FFΔE 6.97Ultramarine Blue#4166F5ΔE 10.86Very Light Blue#6666FFΔE 11.42Vantg Blue#5271FFΔE 14.26Palatinate Blue#273BE2ΔE 15.4Majorelle Blue#6050DCΔE 16.8

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

#1D5CFC Channel Values

How #1D5CFC 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 92 · B 2528-bit channels as sent to the display
HSLH 223° · S 97% · L 55%Easiest model for building lighter and darker variants
HSVH 223° · S 88% · V 99%Matches the picker in most design tools
CMYKC 88% · M 63% · Y 0% · K 1%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.26:1 vs white · 3.99:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1D5CFC 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 text5.26:1AA normal AA large AAA normal
Fails AABlack text3.99:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1D5CFC in the contrast checker.

Colors That Go With #1D5CFC

Pairings derived from color-wheel relationships. The complementary color sits opposite #1D5CFC; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1D5CFC
Complementary
#FCBC1D
Analogous
#1DCBFC
Analogous
#4D1DFC
Triadic
#FC1D5C
Triadic
#5CFC1D
Split comp.
#FC4D1D
Split comp.
#CBFC1D

Tints & Shades of #1D5CFC

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

#3B72FC
#5987FC
#779DFD
#9BB7FD
#B9CCFE
#D7E2FE

Shades

#0447F1
#033BC9
#0331A6
#022683
#011C5F
#011037

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1D5CFC.

How #1D5CFC 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#1D5CFC
Protanopia#5555FC
Protanomaly#4558FC
Deuteranopia#4E4EFC
Deuteranomaly#3F54FC
Tritanopia#008080
Tritanomaly#0073BF
Achromatopsia#6C6C6C

Test a full palette in the color blindness simulator.

Using #1D5CFC in Code

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

CSS custom property--color-1d5cfc: #1D5CFC;
CSS backgroundbackground-color: #1D5CFC;
Tailwind configcolors: { 'color-1d5cfc': '#1D5CFC' }
SwiftUIColor(red: 0.114, green: 0.361, blue: 0.988)
Android XML<color name="color_1d5cfc">#1D5CFC</color>
SVG fillfill="#1D5CFC"

More Blue Colors

#1D5CFC sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#1D5CFC Frequently Asked Questions

What color is #1D5CFC?

#1D5CFC is a mid-tone blue — rgb(29, 92, 252) in RGB and hsl(223, 97%, 55%) in HSL. It carries no registered color name of its own; the closest named color is Philippine Sky Blue (#0066FF), which is clearly related but distinguishable side by side at a CIE76 distance of 6.97.

What is the RGB value of #1D5CFC?

#1D5CFC is rgb(29, 92, 252) — red 29, green 92, and blue 252 on the 0-255 scale.

What is the CMYK value of #1D5CFC?

#1D5CFC converts to approximately cmyk(88%, 63%, 0%, 1%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1D5CFC be black or white?

White text is the more readable choice. #1D5CFC scores 5.26:1 against white and 3.99:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1D5CFC as a CSS color keyword?

No. #1D5CFC 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 mediumslateblue (#7B68EE) at a CIE76 distance of 21.5, which is visibly different.

Open #1D5CFC 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.