#1D536D Color
#1D536D is rgb(29, 83, 109) in RGB, hsl(200, 58%, 27%) in HSL, and about cmyk(73%, 24%, 0%, 57%) in CMYK. It has no registered color name of its own — the closest is Blue Sapphire (#126180), clearly related but distinguishable side by side at ΔE 7.18. White text is the more readable choice on this background.
#1D536Drgb(29, 83, 109)hsl(200, 58%, 27%)hsv(200, 73%, 43%)cmyk(73%, 24%, 0%, 57%)oklch(41.9% 0.071 233)lab(32.70% -11.19 -20.55)lch(32.70% 23.40 241.42)What #1D536D 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 #1D536D, 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.
#1D536D Channel Values
How #1D536D 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 83 · B 109 | 8-bit channels as sent to the display |
| HSL | H 200° · S 58% · L 27% | Easiest model for building lighter and darker variants |
| HSV | H 200° · S 73% · V 43% | Matches the picker in most design tools |
| CMYK | C 73% · M 24% · Y 0% · K 57% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.37:1 vs white · 2.51:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #1D536D 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 #1D536D in the contrast checker.
Colors That Go With #1D536D
Pairings derived from color-wheel relationships. The complementary color sits opposite #1D536D; 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 #1D536D
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 #1D536D.
How #1D536D 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.
#1D536D#4D4D6D#3F4F6D#46466E#3A4C6D#0C5757#145560#4E4E4EUsing #1D536D in Code
Copy-ready declarations for the places this color usually ends up.
--color-1d536d: #1D536D;background-color: #1D536D;colors: { 'color-1d536d': '#1D536D' }Color(red: 0.114, green: 0.325, blue: 0.427)<color name="color_1d536d">#1D536D</color>fill="#1D536D"More Blue Colors
#1D536D sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#1D536D Frequently Asked Questions
What color is #1D536D?
#1D536D is a dark blue — rgb(29, 83, 109) in RGB and hsl(200, 58%, 27%) in HSL. It carries no registered color name of its own; the closest named color is Blue Sapphire (#126180), which is clearly related but distinguishable side by side at a CIE76 distance of 7.18.
What is the RGB value of #1D536D?
#1D536D is rgb(29, 83, 109) — red 29, green 83, and blue 109 on the 0-255 scale.
What is the CMYK value of #1D536D?
#1D536D converts to approximately cmyk(73%, 24%, 0%, 57%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #1D536D be black or white?
White text is the more readable choice. #1D536D scores 8.37:1 against white and 2.51:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #1D536D as a CSS color keyword?
No. #1D536D 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 darkslategray (#2F4F4F) at a CIE76 distance of 16.72, which is visibly different.
Open #1D536D in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.