#2547D0 Color
#2547D0 is rgb(37, 71, 208) in RGB, hsl(228, 70%, 48%) in HSL, and about cmyk(82%, 66%, 0%, 18%) in CMYK. It has no registered color name of its own — the closest is Persian Blue (#1C39BB), clearly related but distinguishable side by side at ΔE 6.45. White text is the more readable choice on this background.
#2547D0rgb(37, 71, 208)hsl(228, 70%, 48%)hsv(228, 82%, 82%)cmyk(82%, 66%, 0%, 18%)oklch(47.1% 0.213 266.5)lab(35.50% 29.41 -75.43)lch(35.50% 80.96 291.30)What #2547D0 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 #2547D0, 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.
#2547D0 Channel Values
How #2547D0 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 37 · G 71 · B 208 | 8-bit channels as sent to the display |
| HSL | H 228° · S 70% · L 48% | Easiest model for building lighter and darker variants |
| HSV | H 228° · S 82% · V 82% | Matches the picker in most design tools |
| CMYK | C 82% · M 66% · Y 0% · K 18% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.26:1 vs white · 2.89:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #2547D0 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 #2547D0 in the contrast checker.
Colors That Go With #2547D0
Pairings derived from color-wheel relationships. The complementary color sits opposite #2547D0; 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 #2547D0
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 #2547D0.
How #2547D0 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.
#2547D0#4343D0#3944D0#3E3ED0#3642D0#006767#005C9C#575757Using #2547D0 in Code
Copy-ready declarations for the places this color usually ends up.
--color-2547d0: #2547D0;background-color: #2547D0;colors: { 'color-2547d0': '#2547D0' }Color(red: 0.145, green: 0.278, blue: 0.816)<color name="color_2547d0">#2547D0</color>fill="#2547D0"More Blue Colors
#2547D0 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#2547D0 Frequently Asked Questions
What color is #2547D0?
#2547D0 is a mid-tone blue — rgb(37, 71, 208) in RGB and hsl(228, 70%, 48%) in HSL. It carries no registered color name of its own; the closest named color is Persian Blue (#1C39BB), which is clearly related but distinguishable side by side at a CIE76 distance of 6.45.
What is the RGB value of #2547D0?
#2547D0 is rgb(37, 71, 208) — red 37, green 71, and blue 208 on the 0-255 scale.
What is the CMYK value of #2547D0?
#2547D0 converts to approximately cmyk(82%, 66%, 0%, 18%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #2547D0 be black or white?
White text is the more readable choice. #2547D0 scores 7.26:1 against white and 2.89:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #2547D0 as a CSS color keyword?
No. #2547D0 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 18.43, which is visibly different.
Open #2547D0 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.