#181499 Color
#181499 is rgb(24, 20, 153) in RGB, hsl(242, 77%, 34%) in HSL, and about cmyk(84%, 87%, 0%, 40%) in CMYK. It has no registered color name of its own — the closest is Phthalo Blue (#000F89), clearly related but distinguishable side by side at ΔE 6.15. White text is the more readable choice on this background.
#181499rgb(24, 20, 153)hsl(242, 77%, 34%)hsv(242, 87%, 60%)cmyk(84%, 87%, 0%, 40%)oklch(33.2% 0.198 269.4)lab(18.52% 40.41 -70.80)lch(18.52% 81.52 299.71)What #181499 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 #181499, 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.
#181499 Channel Values
How #181499 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 24 · G 20 · B 153 | 8-bit channels as sent to the display |
| HSL | H 242° · S 77% · L 34% | Easiest model for building lighter and darker variants |
| HSV | H 242° · S 87% · V 60% | Matches the picker in most design tools |
| CMYK | C 84% · M 87% · Y 0% · K 40% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 13.13:1 vs white · 1.6:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #181499 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 #181499 in the contrast checker.
Colors That Go With #181499
Pairings derived from color-wheel relationships. The complementary color sits opposite #181499; 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 #181499
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 #181499.
How #181499 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.
#181499#151599#161499#151599#161599#003D3D#00316E#303030Using #181499 in Code
Copy-ready declarations for the places this color usually ends up.
--color-181499: #181499;background-color: #181499;colors: { 'color-181499': '#181499' }Color(red: 0.094, green: 0.078, blue: 0.600)<color name="color_181499">#181499</color>fill="#181499"More Blue Colors
#181499 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#181499 Frequently Asked Questions
What color is #181499?
#181499 is a dark blue — rgb(24, 20, 153) in RGB and hsl(242, 77%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Phthalo Blue (#000F89), which is clearly related but distinguishable side by side at a CIE76 distance of 6.15.
What is the RGB value of #181499?
#181499 is rgb(24, 20, 153) — red 24, green 20, and blue 153 on the 0-255 scale.
What is the CMYK value of #181499?
#181499 converts to approximately cmyk(84%, 87%, 0%, 40%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #181499 be black or white?
White text is the more readable choice. #181499 scores 13.13:1 against white and 1.6:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #181499 as a CSS color keyword?
No. #181499 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 darkblue (#00008B) at a CIE76 distance of 6.33, which is clearly related but distinguishable side by side.
Open #181499 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.