#4058B0 Color
#4058B0 is rgb(64, 88, 176) in RGB, hsl(227, 47%, 47%) in HSL, and about cmyk(64%, 50%, 0%, 31%) in CMYK. It has no registered color name of its own — the closest is Indigo (Crayola) (#4F69C6), clearly related but distinguishable side by side at ΔE 7.09. White text is the more readable choice on this background.
#4058B0rgb(64, 88, 176)hsl(227, 47%, 47%)hsv(227, 64%, 69%)cmyk(64%, 50%, 0%, 31%)oklch(48.9% 0.143 269.1)lab(39.19% 13.17 -50.73)lch(39.19% 52.41 284.55)What #4058B0 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 #4058B0, 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.
#4058B0 Channel Values
How #4058B0 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 64 · G 88 · B 176 | 8-bit channels as sent to the display |
| HSL | H 227° · S 47% · L 47% | Easiest model for building lighter and darker variants |
| HSV | H 227° · S 64% · V 69% | Matches the picker in most design tools |
| CMYK | C 64% · M 50% · Y 0% · K 31% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.48:1 vs white · 3.24:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #4058B0 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 #4058B0 in the contrast checker.
Colors That Go With #4058B0
Pairings derived from color-wheel relationships. The complementary color sits opposite #4058B0; 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 #4058B0
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 #4058B0.
How #4058B0 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.
#4058B0#5454B0#4D56B0#5151B0#4B54B0#176969#2C628B#5E5E5EUsing #4058B0 in Code
Copy-ready declarations for the places this color usually ends up.
--color-4058b0: #4058B0;background-color: #4058B0;colors: { 'color-4058b0': '#4058B0' }Color(red: 0.251, green: 0.345, blue: 0.690)<color name="color_4058b0">#4058B0</color>fill="#4058B0"More Blue Colors
#4058B0 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#4058B0 Frequently Asked Questions
What color is #4058B0?
#4058B0 is a mid-tone blue — rgb(64, 88, 176) in RGB and hsl(227, 47%, 47%) in HSL. It carries no registered color name of its own; the closest named color is Indigo (Crayola) (#4F69C6), which is clearly related but distinguishable side by side at a CIE76 distance of 7.09.
What is the RGB value of #4058B0?
#4058B0 is rgb(64, 88, 176) — red 64, green 88, and blue 176 on the 0-255 scale.
What is the CMYK value of #4058B0?
#4058B0 converts to approximately cmyk(64%, 50%, 0%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #4058B0 be black or white?
White text is the more readable choice. #4058B0 scores 6.48:1 against white and 3.24:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #4058B0 as a CSS color keyword?
No. #4058B0 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 darkslateblue (#483D8B) at a CIE76 distance of 14.53, which is visibly different.
Open #4058B0 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.