#2A18CD Color
#2A18CD is rgb(42, 24, 205) in RGB, hsl(246, 79%, 45%) in HSL, and about cmyk(80%, 88%, 0%, 20%) in CMYK. It has no registered color name of its own — the closest is Medium Blue (#0000CD), clearly related but distinguishable side by side at ΔE 8.74. White text is the more readable choice on this background.
#2A18CDrgb(42, 24, 205)hsl(246, 79%, 45%)hsv(246, 88%, 80%)cmyk(80%, 88%, 0%, 20%)oklch(41% 0.249 271.2)lab(26.36% 53.06 -88.80)lch(26.36% 103.44 300.86)What #2A18CD 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 #2A18CD, 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.
#2A18CD Channel Values
How #2A18CD 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 42 · G 24 · B 205 | 8-bit channels as sent to the display |
| HSL | H 246° · S 79% · L 45% | Easiest model for building lighter and darker variants |
| HSV | H 246° · S 88% · V 80% | Matches the picker in most design tools |
| CMYK | C 80% · M 88% · Y 0% · K 20% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.95:1 vs white · 2.11:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #2A18CD 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 #2A18CD in the contrast checker.
Colors That Go With #2A18CD
Pairings derived from color-wheel relationships. The complementary color sits opposite #2A18CD; 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 #2A18CD
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 #2A18CD.
How #2A18CD 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.
#2A18CD#1C1CCD#221ACD#1F1FCD#241CCD#005252#004294#434343Using #2A18CD in Code
Copy-ready declarations for the places this color usually ends up.
--color-2a18cd: #2A18CD;background-color: #2A18CD;colors: { 'color-2a18cd': '#2A18CD' }Color(red: 0.165, green: 0.094, blue: 0.804)<color name="color_2a18cd">#2A18CD</color>fill="#2A18CD"More Blue Colors
#2A18CD sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#2A18CD Frequently Asked Questions
What color is #2A18CD?
#2A18CD is a mid-tone blue — rgb(42, 24, 205) in RGB and hsl(246, 79%, 45%) in HSL. It carries no registered color name of its own; the closest named color is Medium Blue (#0000CD), which is clearly related but distinguishable side by side at a CIE76 distance of 8.74.
What is the RGB value of #2A18CD?
#2A18CD is rgb(42, 24, 205) — red 42, green 24, and blue 205 on the 0-255 scale.
What is the CMYK value of #2A18CD?
#2A18CD converts to approximately cmyk(80%, 88%, 0%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #2A18CD be black or white?
White text is the more readable choice. #2A18CD scores 9.95:1 against white and 2.11:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #2A18CD as a CSS color keyword?
No. #2A18CD 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 mediumblue (#0000CD) at a CIE76 distance of 8.74, which is clearly related but distinguishable side by side.
Open #2A18CD in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.