Slate Blue (#6A5ACD)
The hex code for Slate Blue is #6A5ACD. It is rgb(106, 90, 205) in RGB, hsl(248, 53%, 58%) in HSL, and about cmyk(48%, 56%, 0%, 20%) in CMYK — a mid-tone blue. White text is the more readable choice on this background.
#6A5ACDrgb(106, 90, 205)hsl(248, 53%, 58%)hsv(248, 56%, 80%)cmyk(48%, 56%, 0%, 20%)oklch(54.4% 0.171 285.5)lab(44.57% 29.65 -58.72)lch(44.57% 65.78 296.79)Colors Closest to Slate Blue
Slate Blue is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.
Browse the full index of named colors A-Z or every blue in the library.
#6A5ACD Channel Values
How Slate Blue 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 106 · G 90 · B 205 | 8-bit channels as sent to the display |
| HSL | H 248° · S 53% · L 58% | Easiest model for building lighter and darker variants |
| HSV | H 248° · S 56% · V 80% | Matches the picker in most design tools |
| CMYK | C 48% · M 56% · Y 0% · K 20% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.31:1 vs white · 3.96:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a Slate Blue 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 #6A5ACD in the contrast checker.
Colors That Go With Slate Blue
Pairings derived from color-wheel relationships. The complementary color sits opposite Slate Blue; 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 Slate Blue
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 #6A5ACD.
How Slate Blue 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.
#6A5ACD#5D5DCD#625CCD#6060CD#645DCD#507171#5B699E#6B6B6BUsing #6A5ACD in Code
Copy-ready declarations for the places this color usually ends up.
--slate-blue: #6A5ACD;background-color: #6A5ACD;colors: { 'slate-blue': '#6A5ACD' }Color(red: 0.416, green: 0.353, blue: 0.804)<color name="slate_blue">#6A5ACD</color>fill="#6A5ACD"More Blue Colors
Slate Blue sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#6A5ACD Frequently Asked Questions
What is the hex code for Slate Blue?
The hex code for Slate Blue is #6A5ACD. That is rgb(106, 90, 205) in RGB, hsl(248, 53%, 58%) in HSL, and approximately cmyk(48%, 56%, 0%, 20%) in CMYK.
What is the RGB value of #6A5ACD?
#6A5ACD is rgb(106, 90, 205) — red 106, green 90, and blue 205 on the 0-255 scale.
What is the CMYK value of #6A5ACD?
#6A5ACD converts to approximately cmyk(48%, 56%, 0%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #6A5ACD be black or white?
White text is the more readable choice. #6A5ACD scores 5.31:1 against white and 3.96:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Is SlateBlue a CSS named color?
Yes. SlateBlue is one of the CSS named colors, so you can write color: slateblue instead of the hex code.
Open Slate Blue in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.