#12598C Color
#12598C is rgb(18, 89, 140) in RGB, hsl(205, 77%, 31%) in HSL, and about cmyk(87%, 36%, 0%, 45%) in CMYK. It has no registered color name of its own — the closest is Lapis Lazuli (#26619C), clearly related but distinguishable side by side at ΔE 6.05. White text is the more readable choice on this background.
#12598Crgb(18, 89, 140)hsl(205, 77%, 31%)hsv(205, 87%, 55%)cmyk(87%, 36%, 0%, 45%)oklch(44.9% 0.106 246)lab(35.76% -6.30 -34.84)lch(35.76% 35.40 259.76)What #12598C 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 #12598C, 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.
#12598C Channel Values
How #12598C 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 18 · G 89 · B 140 | 8-bit channels as sent to the display |
| HSL | H 205° · S 77% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 205° · S 87% · V 55% | Matches the picker in most design tools |
| CMYK | C 87% · M 36% · Y 0% · K 45% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.41:1 vs white · 2.83:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #12598C 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 #12598C in the contrast checker.
Colors That Go With #12598C
Pairings derived from color-wheel relationships. The complementary color sits opposite #12598C; 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 #12598C
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 #12598C.
How #12598C 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.
#12598C#52528C#41558C#4A4A8D#3B518C#006161#005E75#555555Using #12598C in Code
Copy-ready declarations for the places this color usually ends up.
--color-12598c: #12598C;background-color: #12598C;colors: { 'color-12598c': '#12598C' }Color(red: 0.071, green: 0.349, blue: 0.549)<color name="color_12598c">#12598C</color>fill="#12598C"More Blue Colors
#12598C sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#12598C Frequently Asked Questions
What color is #12598C?
#12598C is a dark blue — rgb(18, 89, 140) in RGB and hsl(205, 77%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Lapis Lazuli (#26619C), which is clearly related but distinguishable side by side at a CIE76 distance of 6.05.
What is the RGB value of #12598C?
#12598C is rgb(18, 89, 140) — red 18, green 89, and blue 140 on the 0-255 scale.
What is the CMYK value of #12598C?
#12598C converts to approximately cmyk(87%, 36%, 0%, 45%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #12598C be black or white?
White text is the more readable choice. #12598C scores 7.41:1 against white and 2.83:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #12598C as a CSS color keyword?
No. #12598C 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 steelblue (#4682B4) at a CIE76 distance of 16.48, which is visibly different.
Open #12598C in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.