#1D63BF Color
#1D63BF is rgb(29, 99, 191) in RGB, hsl(214, 74%, 43%) in HSL, and about cmyk(85%, 48%, 0%, 25%) in CMYK. It has no registered color name of its own — the closest is Denim (#1560BD), below the threshold most people can see at ΔE 1.46. White text is the more readable choice on this background.
#1D63BFrgb(29, 99, 191)hsl(214, 74%, 43%)hsv(214, 85%, 75%)cmyk(85%, 48%, 0%, 25%)oklch(51% 0.16 257.3)lab(41.81% 5.86 -55.36)lch(41.81% 55.67 276.04)What #1D63BF 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 #1D63BF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every blue in the library.
#1D63BF Channel Values
How #1D63BF breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 29 · G 99 · B 191 | 8-bit channels as sent to the display |
| HSL | H 214° · S 74% · L 43% | Easiest model for building lighter and darker variants |
| HSV | H 214° · S 85% · V 75% | Matches the picker in most design tools |
| CMYK | C 85% · M 48% · Y 0% · K 25% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.85:1 vs white · 3.59:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #1D63BF 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.
Need a specific ratio against another background? Open #1D63BF in the contrast checker.
Colors That Go With #1D63BF
Pairings derived from color-wheel relationships. The complementary color sits opposite #1D63BF; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #1D63BF
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #1D63BF.
How #1D63BF 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.
#1D63BF#5B5BBF#4A5FBF#5454C0#445ABF#007474#006E98#656565Using #1D63BF in Code
Copy-ready declarations for the places this color usually ends up.
--color-1d63bf: #1D63BF;background-color: #1D63BF;colors: { 'color-1d63bf': '#1D63BF' }Color(red: 0.114, green: 0.388, blue: 0.749)<color name="color_1d63bf">#1D63BF</color>fill="#1D63BF"More Blue Colors
#1D63BF sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#1D63BF Frequently Asked Questions
What color is #1D63BF?
#1D63BF is a mid-tone blue — rgb(29, 99, 191) in RGB and hsl(214, 74%, 43%) in HSL. It carries no registered color name of its own; the closest named color is Denim (#1560BD), which is below the threshold most people can see at a CIE76 distance of 1.46.
What is the RGB value of #1D63BF?
#1D63BF is rgb(29, 99, 191) — red 29, green 99, and blue 191 on the 0-255 scale.
What is the CMYK value of #1D63BF?
#1D63BF converts to approximately cmyk(85%, 48%, 0%, 25%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #1D63BF be black or white?
White text is the more readable choice. #1D63BF scores 5.85:1 against white and 3.59:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #1D63BF as a CSS color keyword?
No. #1D63BF 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 royalblue (#4169E1) at a CIE76 distance of 17.17, which is visibly different.
Open #1D63BF in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.