#1D4072 Color
#1D4072 is rgb(29, 64, 114) in RGB, hsl(215, 59%, 28%) in HSL, and about cmyk(75%, 44%, 0%, 55%) in CMYK. It has no registered color name of its own — the closest is Marine Blue (#01386A), very hard to tell apart at ΔE 4.35. White text is the more readable choice on this background.
#1D4072rgb(29, 64, 114)hsl(215, 59%, 28%)hsv(215, 75%, 45%)cmyk(75%, 44%, 0%, 55%)oklch(37.4% 0.095 257.7)lab(26.65% 1.60 -33.18)lch(26.65% 33.22 272.77)What #1D4072 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 #1D4072, 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.
#1D4072 Channel Values
How #1D4072 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 64 · B 114 | 8-bit channels as sent to the display |
| HSL | H 215° · S 59% · L 28% | Easiest model for building lighter and darker variants |
| HSV | H 215° · S 75% · V 45% | Matches the picker in most design tools |
| CMYK | C 75% · M 44% · Y 0% · K 55% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.35:1 vs white · 2.03:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #1D4072 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 #1D4072 in the contrast checker.
Colors That Go With #1D4072
Pairings derived from color-wheel relationships. The complementary color sits opposite #1D4072; 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 #1D4072
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 #1D4072.
How #1D4072 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.
#1D4072#3C3C72#323D72#373772#2F3B72#004949#0B455C#404040Using #1D4072 in Code
Copy-ready declarations for the places this color usually ends up.
--color-1d4072: #1D4072;background-color: #1D4072;colors: { 'color-1d4072': '#1D4072' }Color(red: 0.114, green: 0.251, blue: 0.447)<color name="color_1d4072">#1D4072</color>fill="#1D4072"More Blue Colors
#1D4072 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#1D4072 Frequently Asked Questions
What color is #1D4072?
#1D4072 is a dark blue — rgb(29, 64, 114) in RGB and hsl(215, 59%, 28%) in HSL. It carries no registered color name of its own; the closest named color is Marine Blue (#01386A), which is very hard to tell apart at a CIE76 distance of 4.35.
What is the RGB value of #1D4072?
#1D4072 is rgb(29, 64, 114) — red 29, green 64, and blue 114 on the 0-255 scale.
What is the CMYK value of #1D4072?
#1D4072 converts to approximately cmyk(75%, 44%, 0%, 55%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #1D4072 be black or white?
White text is the more readable choice. #1D4072 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 #1D4072 as a CSS color keyword?
No. #1D4072 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 darkslateblue (#483D8B) at a CIE76 distance of 22.3, which is visibly different.
Open #1D4072 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.