#04459F Color
#04459F is rgb(4, 69, 159) in RGB, hsl(215, 95%, 32%) in HSL, and about cmyk(97%, 57%, 0%, 38%) in CMYK. It has no registered color name of its own — the closest is Cobalt Blue (#0047AB), clearly related but distinguishable side by side at ΔE 5.84. White text is the more readable choice on this background.
#04459Frgb(4, 69, 159)hsl(215, 95%, 32%)hsv(215, 97%, 62%)cmyk(97%, 57%, 0%, 38%)oklch(41.4% 0.158 259.2)lab(30.39% 11.62 -54.95)lch(30.39% 56.17 281.94)What #04459F 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 #04459F, 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.
#04459F Channel Values
How #04459F 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 4 · G 69 · B 159 | 8-bit channels as sent to the display |
| HSL | H 215° · S 95% · L 32% | Easiest model for building lighter and darker variants |
| HSV | H 215° · S 97% · V 62% | Matches the picker in most design tools |
| CMYK | C 97% · M 57% · Y 0% · K 38% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.91:1 vs white · 2.36:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #04459F 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 #04459F in the contrast checker.
Colors That Go With #04459F
Pairings derived from color-wheel relationships. The complementary color sits opposite #04459F; 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 #04459F
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 #04459F.
How #04459F 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.
#04459F#3F3F9F#31419F#39399F#2B3E9F#005757#00507A#4A4A4AUsing #04459F in Code
Copy-ready declarations for the places this color usually ends up.
--color-04459f: #04459F;background-color: #04459F;colors: { 'color-04459f': '#04459F' }Color(red: 0.016, green: 0.271, blue: 0.624)<color name="color_04459f">#04459F</color>fill="#04459F"More Blue Colors
#04459F sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#04459F Frequently Asked Questions
What color is #04459F?
#04459F is a dark blue — rgb(4, 69, 159) in RGB and hsl(215, 95%, 32%) in HSL. It carries no registered color name of its own; the closest named color is Cobalt Blue (#0047AB), which is clearly related but distinguishable side by side at a CIE76 distance of 5.84.
What is the RGB value of #04459F?
#04459F is rgb(4, 69, 159) — red 4, green 69, and blue 159 on the 0-255 scale.
What is the CMYK value of #04459F?
#04459F converts to approximately cmyk(97%, 57%, 0%, 38%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #04459F be black or white?
White text is the more readable choice. #04459F scores 8.91:1 against white and 2.36:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #04459F as a CSS color keyword?
No. #04459F 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 15.65, which is visibly different.
Open #04459F in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.