#013FB2 Color
#013FB2 is rgb(1, 63, 178) in RGB, hsl(219, 99%, 35%) in HSL, and about cmyk(99%, 65%, 0%, 30%) in CMYK. It has no registered color name of its own — the closest is Denim Blue (#2243B6), very hard to tell apart at ΔE 2.78. White text is the more readable choice on this background.
#013FB2rgb(1, 63, 178)hsl(219, 99%, 35%)hsv(219, 99%, 70%)cmyk(99%, 65%, 0%, 30%)oklch(41.9% 0.191 261.9)lab(30.08% 22.12 -66.82)lch(30.08% 70.38 288.31)What #013FB2 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 #013FB2, 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.
#013FB2 Channel Values
How #013FB2 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 1 · G 63 · B 178 | 8-bit channels as sent to the display |
| HSL | H 219° · S 99% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 219° · S 99% · V 70% | Matches the picker in most design tools |
| CMYK | C 99% · M 65% · Y 0% · K 30% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.92:1 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 #013FB2 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 #013FB2 in the contrast checker.
Colors That Go With #013FB2
Pairings derived from color-wheel relationships. The complementary color sits opposite #013FB2; 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 #013FB2
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 #013FB2.
How #013FB2 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.
#013FB2#3939B2#2C3CB2#3333B2#2738B2#005959#005086#4A4A4AUsing #013FB2 in Code
Copy-ready declarations for the places this color usually ends up.
--color-013fb2: #013FB2;background-color: #013FB2;colors: { 'color-013fb2': '#013FB2' }Color(red: 0.004, green: 0.247, blue: 0.698)<color name="color_013fb2">#013FB2</color>fill="#013FB2"More Blue Colors
#013FB2 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#013FB2 Frequently Asked Questions
What color is #013FB2?
#013FB2 is a dark blue — rgb(1, 63, 178) in RGB and hsl(219, 99%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Denim Blue (#2243B6), which is very hard to tell apart at a CIE76 distance of 2.78.
What is the RGB value of #013FB2?
#013FB2 is rgb(1, 63, 178) — red 1, green 63, and blue 178 on the 0-255 scale.
What is the CMYK value of #013FB2?
#013FB2 converts to approximately cmyk(99%, 65%, 0%, 30%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #013FB2 be black or white?
White text is the more readable choice. #013FB2 scores 8.92:1 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 #013FB2 as a CSS color keyword?
No. #013FB2 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 royalblue (#4169E1) at a CIE76 distance of 17.27, which is visibly different.
Open #013FB2 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.