#1E40BE Color
#1E40BE is rgb(30, 64, 190) in RGB, hsl(227, 73%, 43%) in HSL, and about cmyk(84%, 66%, 0%, 25%) in CMYK. It has no registered color name of its own — the closest is Persian Blue (#1C39BB), very hard to tell apart at ΔE 4.15. White text is the more readable choice on this background.
#1E40BErgb(30, 64, 190)hsl(227, 73%, 43%)hsv(227, 84%, 75%)cmyk(84%, 66%, 0%, 25%)oklch(43.9% 0.2 266)lab(32.00% 27.29 -70.72)lch(32.00% 75.80 291.10)What #1E40BE 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 #1E40BE, 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.
#1E40BE Channel Values
How #1E40BE 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 30 · G 64 · B 190 | 8-bit channels as sent to the display |
| HSL | H 227° · S 73% · L 43% | Easiest model for building lighter and darker variants |
| HSV | H 227° · S 84% · V 75% | Matches the picker in most design tools |
| CMYK | C 84% · M 66% · Y 0% · K 25% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.29:1 vs white · 2.53:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #1E40BE 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 #1E40BE in the contrast checker.
Colors That Go With #1E40BE
Pairings derived from color-wheel relationships. The complementary color sits opposite #1E40BE; 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 #1E40BE
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 #1E40BE.
How #1E40BE 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.
#1E40BE#3C3CBE#323DBE#3737BE#2F3BBE#005D5D#00538E#4E4E4EUsing #1E40BE in Code
Copy-ready declarations for the places this color usually ends up.
--color-1e40be: #1E40BE;background-color: #1E40BE;colors: { 'color-1e40be': '#1E40BE' }Color(red: 0.118, green: 0.251, blue: 0.745)<color name="color_1e40be">#1E40BE</color>fill="#1E40BE"More Blue Colors
#1E40BE sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#1E40BE Frequently Asked Questions
What color is #1E40BE?
#1E40BE is a mid-tone blue — rgb(30, 64, 190) in RGB and hsl(227, 73%, 43%) in HSL. It carries no registered color name of its own; the closest named color is Persian Blue (#1C39BB), which is very hard to tell apart at a CIE76 distance of 4.15.
What is the RGB value of #1E40BE?
#1E40BE is rgb(30, 64, 190) — red 30, green 64, and blue 190 on the 0-255 scale.
What is the CMYK value of #1E40BE?
#1E40BE converts to approximately cmyk(84%, 66%, 0%, 25%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #1E40BE be black or white?
White text is the more readable choice. #1E40BE scores 8.29:1 against white and 2.53:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #1E40BE as a CSS color keyword?
No. #1E40BE 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 slateblue (#6A5ACD) at a CIE76 distance of 17.54, which is visibly different.
Open #1E40BE in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.