#189EF2 Color
#189EF2 is rgb(24, 158, 242) in RGB, hsl(203, 89%, 52%) in HSL, and about cmyk(90%, 35%, 0%, 5%) in CMYK. It has no registered color name of its own — the closest is Microsoft Blue (#00A2ED), clearly related but distinguishable side by side at ΔE 6.01. Black text is the more readable choice on this background.
#189EF2rgb(24, 158, 242)hsl(203, 89%, 52%)hsv(203, 90%, 95%)cmyk(90%, 35%, 0%, 5%)oklch(67.4% 0.162 244.4)lab(61.74% -10.94 -52.31)lch(61.74% 53.45 258.19)What #189EF2 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 #189EF2, 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.
#189EF2 Channel Values
How #189EF2 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 158 · B 242 | 8-bit channels as sent to the display |
| HSL | H 203° · S 89% · L 52% | Easiest model for building lighter and darker variants |
| HSV | H 203° · S 90% · V 95% | Matches the picker in most design tools |
| CMYK | C 90% · M 35% · Y 0% · K 5% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.91:1 vs white · 7.21:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #189EF2 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 #189EF2 in the contrast checker.
Colors That Go With #189EF2
Pairings derived from color-wheel relationships. The complementary color sits opposite #189EF2; 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 #189EF2
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 #189EF2.
How #189EF2 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.
#189EF2#9191F2#7497F2#8484F3#6A8FF3#00ACAC#00A6CC#979797Using #189EF2 in Code
Copy-ready declarations for the places this color usually ends up.
--color-189ef2: #189EF2;background-color: #189EF2;colors: { 'color-189ef2': '#189EF2' }Color(red: 0.094, green: 0.620, blue: 0.949)<color name="color_189ef2">#189EF2</color>fill="#189EF2"More Blue Colors
#189EF2 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#189EF2 Frequently Asked Questions
What color is #189EF2?
#189EF2 is a mid-tone blue — rgb(24, 158, 242) in RGB and hsl(203, 89%, 52%) in HSL. It carries no registered color name of its own; the closest named color is Microsoft Blue (#00A2ED), which is clearly related but distinguishable side by side at a CIE76 distance of 6.01.
What is the RGB value of #189EF2?
#189EF2 is rgb(24, 158, 242) — red 24, green 158, and blue 242 on the 0-255 scale.
What is the CMYK value of #189EF2?
#189EF2 converts to approximately cmyk(90%, 35%, 0%, 5%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #189EF2 be black or white?
Black text is the more readable choice. #189EF2 scores 2.91:1 against white and 7.21:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #189EF2 as a CSS color keyword?
No. #189EF2 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 cornflowerblue (#6495ED) at a CIE76 distance of 14.16, which is visibly different.
Open #189EF2 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.