#378390 Color
#378390 is rgb(55, 131, 144) in RGB, hsl(189, 45%, 39%) in HSL, and about cmyk(62%, 9%, 0%, 44%) in CMYK. It has no registered color name of its own — the closest is Metallic Seaweed (#0A7E8C), clearly related but distinguishable side by side at ΔE 5.61. Black text is the more readable choice on this background.
#378390rgb(55, 131, 144)hsl(189, 45%, 39%)hsv(189, 62%, 56%)cmyk(62%, 9%, 0%, 44%)oklch(56.8% 0.077 210.5)lab(50.47% -21.23 -14.47)lch(50.47% 25.69 214.26)What #378390 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 #378390, 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 teal in the library.
#378390 Channel Values
How #378390 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 55 · G 131 · B 144 | 8-bit channels as sent to the display |
| HSL | H 189° · S 45% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 189° · S 62% · V 56% | Matches the picker in most design tools |
| CMYK | C 62% · M 9% · Y 0% · K 44% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.36:1 vs white · 4.81:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #378390 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 #378390 in the contrast checker.
Colors That Go With #378390
Pairings derived from color-wheel relationships. The complementary color sits opposite #378390; 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 #378390
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 #378390.
How #378390 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.
#378390#7A7A90#667E90#717191#5F7991#328585#348489#797979Using #378390 in Code
Copy-ready declarations for the places this color usually ends up.
--color-378390: #378390;background-color: #378390;colors: { 'color-378390': '#378390' }Color(red: 0.216, green: 0.514, blue: 0.565)<color name="color_378390">#378390</color>fill="#378390"More Teal Colors
#378390 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#378390 Frequently Asked Questions
What color is #378390?
#378390 is a dark teal — rgb(55, 131, 144) in RGB and hsl(189, 45%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Seaweed (#0A7E8C), which is clearly related but distinguishable side by side at a CIE76 distance of 5.61.
What is the RGB value of #378390?
#378390 is rgb(55, 131, 144) — red 55, green 131, and blue 144 on the 0-255 scale.
What is the CMYK value of #378390?
#378390 converts to approximately cmyk(62%, 9%, 0%, 44%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #378390 be black or white?
Black text is the more readable choice. #378390 scores 4.36:1 against white and 4.81:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #378390 as a CSS color keyword?
No. #378390 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 teal (#008080) at a CIE76 distance of 10.96, which is visibly different.
Open #378390 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.