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#191B85 Color

#191B85 is rgb(25, 27, 133) in RGB, hsl(239, 68%, 31%) in HSL, and about cmyk(81%, 80%, 0%, 48%) in CMYK. It has no registered color name of its own — the closest is Resolution Blue (#002387), clearly related but distinguishable side by side at ΔE 6.17. White text is the more readable choice on this background.

#191B85
HEX#191B85
RGBrgb(25, 27, 133)
HSLhsl(239, 68%, 31%)
HSVhsv(239, 81%, 52%)
CMYKcmyk(81%, 80%, 0%, 48%)
OKLCHoklch(31.6% 0.169 270.7)
LABlab(17.57% 31.25 -59.94)
LCHlch(17.57% 67.60 297.53)

What #191B85 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 #191B85, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Resolution Blue#002387ΔE 6.17Imperial Blue#002395ΔE 6.4Persian Indigo#32127AΔE 7.96Samsung Blue#12279EΔE 8.82Phthalo Blue#000F89ΔE 9.79Blue (Pigment)#333399ΔE 10.8

Browse the full index of named colors A-Z or every blue in the library.

#191B85 Channel Values

How #191B85 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 25 · G 27 · B 1338-bit channels as sent to the display
HSLH 239° · S 68% · L 31%Easiest model for building lighter and darker variants
HSVH 239° · S 81% · V 52%Matches the picker in most design tools
CMYKC 81% · M 80% · Y 0% · K 48%Approximate ink mix; confirm with an ICC profile before printing
Luminance13.66:1 vs white · 1.54:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #191B85 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.

TextWhite text13.66:1AA normal AA large AAA normal
Fails AABlack text1.54:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #191B85 in the contrast checker.

Colors That Go With #191B85

Pairings derived from color-wheel relationships. The complementary color sits opposite #191B85; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#191B85
Complementary
#858319
Analogous
#195185
Analogous
#4D1985
Triadic
#85191B
Triadic
#1B8519
Split comp.
#854D19
Split comp.
#518519

Tints & Shades of #191B85

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.

Tints

#2124B0
#292CD6
#5456DE
#7A7CE6
#A5A6EE
#CCCCF5

Shades

#161874
#131463
#101151
#0D0E45
#0A0A33
#070722

Want a full 50-950 ramp with semantic roles? Generate design tokens from #191B85.

How #191B85 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.

Typical#191B85
Protanopia#1B1B85
Protanomaly#1A1B85
Deuteranopia#1A1A85
Deuteranomaly#1A1B85
Tritanopia#003838
Tritanomaly#002F60
Achromatopsia#2E2E2E

Test a full palette in the color blindness simulator.

Using #191B85 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-191b85: #191B85;
CSS backgroundbackground-color: #191B85;
Tailwind configcolors: { 'color-191b85': '#191B85' }
SwiftUIColor(red: 0.098, green: 0.106, blue: 0.522)
Android XML<color name="color_191b85">#191B85</color>
SVG fillfill="#191B85"

More Blue Colors

#191B85 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#191B85 Frequently Asked Questions

What color is #191B85?

#191B85 is a dark blue — rgb(25, 27, 133) in RGB and hsl(239, 68%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Resolution Blue (#002387), which is clearly related but distinguishable side by side at a CIE76 distance of 6.17.

What is the RGB value of #191B85?

#191B85 is rgb(25, 27, 133) — red 25, green 27, and blue 133 on the 0-255 scale.

What is the CMYK value of #191B85?

#191B85 converts to approximately cmyk(81%, 80%, 0%, 48%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #191B85 be black or white?

White text is the more readable choice. #191B85 scores 13.66:1 against white and 1.54:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #191B85 as a CSS color keyword?

No. #191B85 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 midnightblue (#191970) at a CIE76 distance of 10.8, which is visibly different.

Open #191B85 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.