#103998 Color
#103998 is rgb(16, 57, 152) in RGB, hsl(222, 81%, 33%) in HSL, and about cmyk(89%, 63%, 0%, 40%) in CMYK. It has no registered color name of its own — the closest is Smalt (Dark Powder Blue) (#003399), clearly related but distinguishable side by side at ΔE 5.42. White text is the more readable choice on this background.
#103998rgb(16, 57, 152)hsl(222, 81%, 33%)hsv(222, 89%, 60%)cmyk(89%, 63%, 0%, 40%)oklch(38.5% 0.162 263.2)lab(26.60% 17.71 -56.88)lch(26.60% 59.57 287.30)What #103998 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 #103998, 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.
#103998 Channel Values
How #103998 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 16 · G 57 · B 152 | 8-bit channels as sent to the display |
| HSL | H 222° · S 81% · L 33% | Easiest model for building lighter and darker variants |
| HSV | H 222° · S 89% · V 60% | Matches the picker in most design tools |
| CMYK | C 89% · M 63% · Y 0% · K 40% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.19:1 vs white · 2.06:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #103998 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 #103998 in the contrast checker.
Colors That Go With #103998
Pairings derived from color-wheel relationships. The complementary color sits opposite #103998; 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 #103998
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 #103998.
How #103998 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.
#103998#343498#2A3698#303098#263498#004E4E#004673#414141Using #103998 in Code
Copy-ready declarations for the places this color usually ends up.
--color-103998: #103998;background-color: #103998;colors: { 'color-103998': '#103998' }Color(red: 0.063, green: 0.224, blue: 0.596)<color name="color_103998">#103998</color>fill="#103998"More Blue Colors
#103998 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#103998 Frequently Asked Questions
What color is #103998?
#103998 is a dark blue — rgb(16, 57, 152) in RGB and hsl(222, 81%, 33%) in HSL. It carries no registered color name of its own; the closest named color is Smalt (Dark Powder Blue) (#003399), which is clearly related but distinguishable side by side at a CIE76 distance of 5.42.
What is the RGB value of #103998?
#103998 is rgb(16, 57, 152) — red 16, green 57, and blue 152 on the 0-255 scale.
What is the CMYK value of #103998?
#103998 converts to approximately cmyk(89%, 63%, 0%, 40%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #103998 be black or white?
White text is the more readable choice. #103998 scores 10.19:1 against white and 2.06:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #103998 as a CSS color keyword?
No. #103998 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 15.07, which is visibly different.
Open #103998 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.