#103BA8 Color
#103BA8 is rgb(16, 59, 168) in RGB, hsl(223, 83%, 36%) in HSL, and about cmyk(90%, 65%, 0%, 34%) in CMYK. It has no registered color name of its own — the closest is Philippine Blue (#0038A7), below the threshold most people can see at ΔE 2. White text is the more readable choice on this background.
#103BA8rgb(16, 59, 168)hsl(223, 83%, 36%)hsv(223, 90%, 66%)cmyk(90%, 65%, 0%, 34%)oklch(40.4% 0.181 263.7)lab(28.44% 21.98 -63.53)lch(28.44% 67.22 289.09)What #103BA8 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 #103BA8, 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.
#103BA8 Channel Values
How #103BA8 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 59 · B 168 | 8-bit channels as sent to the display |
| HSL | H 223° · S 83% · L 36% | Easiest model for building lighter and darker variants |
| HSV | H 223° · S 90% · V 66% | Matches the picker in most design tools |
| CMYK | C 90% · M 65% · Y 0% · K 34% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.49:1 vs white · 2.21:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #103BA8 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 #103BA8 in the contrast checker.
Colors That Go With #103BA8
Pairings derived from color-wheel relationships. The complementary color sits opposite #103BA8; 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 #103BA8
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 #103BA8.
How #103BA8 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.
#103BA8#3636A8#2B38A8#3131A8#2735A8#005454#004B7E#464646Using #103BA8 in Code
Copy-ready declarations for the places this color usually ends up.
--color-103ba8: #103BA8;background-color: #103BA8;colors: { 'color-103ba8': '#103BA8' }Color(red: 0.063, green: 0.231, blue: 0.659)<color name="color_103ba8">#103BA8</color>fill="#103BA8"More Blue Colors
#103BA8 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#103BA8 Frequently Asked Questions
What color is #103BA8?
#103BA8 is a dark blue — rgb(16, 59, 168) in RGB and hsl(223, 83%, 36%) in HSL. It carries no registered color name of its own; the closest named color is Philippine Blue (#0038A7), which is below the threshold most people can see at a CIE76 distance of 2.
What is the RGB value of #103BA8?
#103BA8 is rgb(16, 59, 168) — red 16, green 59, and blue 168 on the 0-255 scale.
What is the CMYK value of #103BA8?
#103BA8 converts to approximately cmyk(90%, 65%, 0%, 34%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #103BA8 be black or white?
White text is the more readable choice. #103BA8 scores 9.49:1 against white and 2.21:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #103BA8 as a CSS color keyword?
No. #103BA8 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 slateblue (#6A5ACD) at a CIE76 distance of 18.49, which is visibly different.
Open #103BA8 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.