#374668 Color
#374668 is rgb(55, 70, 104) in RGB, hsl(222, 31%, 31%) in HSL, and about cmyk(47%, 33%, 0%, 59%) in CMYK. It has no registered color name of its own — the closest is Police Blue (#374F6B), clearly related but distinguishable side by side at ΔE 6.11. White text is the more readable choice on this background.
#374668rgb(55, 70, 104)hsl(222, 31%, 31%)hsv(222, 47%, 41%)cmyk(47%, 33%, 0%, 59%)oklch(39.7% 0.061 265.5)lab(29.61% 1.58 -22.06)lch(29.61% 22.12 274.10)What #374668 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 #374668, 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.
#374668 Channel Values
How #374668 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 70 · B 104 | 8-bit channels as sent to the display |
| HSL | H 222° · S 31% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 222° · S 47% · V 41% | Matches the picker in most design tools |
| CMYK | C 47% · M 33% · Y 0% · K 59% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.38:1 vs white · 2.24:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #374668 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 #374668 in the contrast checker.
Colors That Go With #374668
Pairings derived from color-wheel relationships. The complementary color sits opposite #374668; 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 #374668
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 #374668.
How #374668 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.
#374668#444468#3F4568#414168#3E4368#2F4B4B#324958#464646Using #374668 in Code
Copy-ready declarations for the places this color usually ends up.
--color-374668: #374668;background-color: #374668;colors: { 'color-374668': '#374668' }Color(red: 0.216, green: 0.275, blue: 0.408)<color name="color_374668">#374668</color>fill="#374668"More Blue Colors
#374668 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#374668 Frequently Asked Questions
What color is #374668?
#374668 is a dark blue — rgb(55, 70, 104) in RGB and hsl(222, 31%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Police Blue (#374F6B), which is clearly related but distinguishable side by side at a CIE76 distance of 6.11.
What is the RGB value of #374668?
#374668 is rgb(55, 70, 104) — red 55, green 70, and blue 104 on the 0-255 scale.
What is the CMYK value of #374668?
#374668 converts to approximately cmyk(47%, 33%, 0%, 59%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #374668 be black or white?
White text is the more readable choice. #374668 scores 9.38:1 against white and 2.24:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #374668 as a CSS color keyword?
No. #374668 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 darkslategray (#2F4F4F) at a CIE76 distance of 22.86, which is visibly different.
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Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.