#1291F3 Color
#1291F3 is rgb(18, 145, 243) in RGB, hsl(206, 90%, 51%) in HSL, and about cmyk(93%, 40%, 0%, 5%) in CMYK. It has no registered color name of its own — the closest is Bleu de France (#318CE7), very hard to tell apart at ΔE 4.77. Black text is the more readable choice on this background.
#1291F3rgb(18, 145, 243)hsl(206, 90%, 51%)hsv(206, 93%, 95%)cmyk(93%, 40%, 0%, 5%)oklch(64.5% 0.176 249.7)lab(57.91% -4.10 -58.93)lch(57.91% 59.08 266.02)What #1291F3 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 #1291F3, 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.
#1291F3 Channel Values
How #1291F3 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 18 · G 145 · B 243 | 8-bit channels as sent to the display |
| HSL | H 206° · S 90% · L 51% | Easiest model for building lighter and darker variants |
| HSV | H 206° · S 93% · V 95% | Matches the picker in most design tools |
| CMYK | C 93% · M 40% · Y 0% · K 5% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.3:1 vs white · 6.37:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #1291F3 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 #1291F3 in the contrast checker.
Colors That Go With #1291F3
Pairings derived from color-wheel relationships. The complementary color sits opposite #1291F3; 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 #1291F3
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 #1291F3.
How #1291F3 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.
#1291F3#8585F3#6A8AF3#7979F4#6083F4#00A2A2#009BC8#8E8E8EUsing #1291F3 in Code
Copy-ready declarations for the places this color usually ends up.
--color-1291f3: #1291F3;background-color: #1291F3;colors: { 'color-1291f3': '#1291F3' }Color(red: 0.071, green: 0.569, blue: 0.953)<color name="color_1291f3">#1291F3</color>fill="#1291F3"More Blue Colors
#1291F3 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#1291F3 Frequently Asked Questions
What color is #1291F3?
#1291F3 is a mid-tone blue — rgb(18, 145, 243) in RGB and hsl(206, 90%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Bleu de France (#318CE7), which is very hard to tell apart at a CIE76 distance of 4.77.
What is the RGB value of #1291F3?
#1291F3 is rgb(18, 145, 243) — red 18, green 145, and blue 243 on the 0-255 scale.
What is the CMYK value of #1291F3?
#1291F3 converts to approximately cmyk(93%, 40%, 0%, 5%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #1291F3 be black or white?
Black text is the more readable choice. #1291F3 scores 3.3:1 against white and 6.37:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #1291F3 as a CSS color keyword?
No. #1291F3 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 dodgerblue (#1E90FF) at a CIE76 distance of 7.69, which is clearly related but distinguishable side by side.
Open #1291F3 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.