#1D5481 Color
#1D5481 is rgb(29, 84, 129) in RGB, hsl(207, 63%, 31%) in HSL, and about cmyk(78%, 35%, 0%, 49%) in CMYK. It has no registered color name of its own — the closest is Metallic Blue (#32527B), clearly related but distinguishable side by side at ΔE 5.29. White text is the more readable choice on this background.
#1D5481rgb(29, 84, 129)hsl(207, 63%, 31%)hsv(207, 78%, 51%)cmyk(78%, 35%, 0%, 49%)oklch(43.3% 0.094 247.1)lab(33.90% -5.60 -31.05)lch(33.90% 31.55 259.77)What #1D5481 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 #1D5481, 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.
#1D5481 Channel Values
How #1D5481 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 84 · B 129 | 8-bit channels as sent to the display |
| HSL | H 207° · S 63% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 207° · S 78% · V 51% | Matches the picker in most design tools |
| CMYK | C 78% · M 35% · Y 0% · K 49% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.96:1 vs white · 2.64:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #1D5481 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 #1D5481 in the contrast checker.
Colors That Go With #1D5481
Pairings derived from color-wheel relationships. The complementary color sits opposite #1D5481; 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 #1D5481
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 #1D5481.
How #1D5481 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.
#1D5481#4E4E81#3F5081#474782#3A4D81#005B5B#08586C#515151Using #1D5481 in Code
Copy-ready declarations for the places this color usually ends up.
--color-1d5481: #1D5481;background-color: #1D5481;colors: { 'color-1d5481': '#1D5481' }Color(red: 0.114, green: 0.329, blue: 0.506)<color name="color_1d5481">#1D5481</color>fill="#1D5481"More Blue Colors
#1D5481 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#1D5481 Frequently Asked Questions
What color is #1D5481?
#1D5481 is a dark blue — rgb(29, 84, 129) in RGB and hsl(207, 63%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Blue (#32527B), which is clearly related but distinguishable side by side at a CIE76 distance of 5.29.
What is the RGB value of #1D5481?
#1D5481 is rgb(29, 84, 129) — red 29, green 84, and blue 129 on the 0-255 scale.
What is the CMYK value of #1D5481?
#1D5481 converts to approximately cmyk(78%, 35%, 0%, 49%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #1D5481 be black or white?
White text is the more readable choice. #1D5481 scores 7.96:1 against white and 2.64:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #1D5481 as a CSS color keyword?
No. #1D5481 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 steelblue (#4682B4) at a CIE76 distance of 18.38, which is visibly different.
Open #1D5481 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.