Honolulu Blue (#006DB0)

The hex code for Honolulu Blue is #006DB0. It is rgb(0, 109, 176) in RGB, hsl(203, 100%, 35%) in HSL, and about cmyk(100%, 38%, 0%, 31%) in CMYK — a dark blue. White text is the more readable choice on this background.

#006DB0

HEX#006DB0

RGBrgb(0, 109, 176)

HSLhsl(203, 100%, 35%)

HSVhsv(203, 100%, 69%)

CMYKcmyk(100%, 38%, 0%, 31%)

OKLCHoklch(51.9% 0.134 246.1)

LABlab(43.65% -6.76 -43.75)

LCHlch(43.65% 44.27 261.21)

Colors Closest to Honolulu Blue

Honolulu Blue is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

Spanish Blue#0070B8ΔE 3.03 Medium Persian Blue#0067A5ΔE 3.57 French Blue#0072BBΔE 3.8 Ocean Boat Blue#0077BEΔE 4.42 Star Command Blue#007BB8ΔE 7.46 Lapis Lazuli#26619CΔE 7.65

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

#006DB0 Channel Values

How Honolulu Blue 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 0 · G 109 · B 176	8-bit channels as sent to the display
HSL	H 203° · S 100% · L 35%	Easiest model for building lighter and darker variants
HSV	H 203° · S 100% · V 69%	Matches the picker in most design tools
CMYK	C 100% · M 38% · Y 0% · K 31%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	5.51:1 vs white · 3.81:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Honolulu Blue 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 text5.51:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.81:1AA normal ✗AA large ✓AAA normal ✗

Need a specific ratio against another background? Open #006DB0 in the contrast checker.

Colors That Go With Honolulu Blue

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

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of Honolulu Blue

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #006DB0.

How Honolulu Blue 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#006DB0

Protanopia#6464B0

Protanomaly#4E68B0

Deuteranopia#5A5AB1

Deuteranomaly#4662B0

Tritanopia#007878

Tritanomaly#007492

Achromatopsia#696969

Test a full palette in the color blindness simulator.

Using #006DB0 in Code

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

CSS custom property--honolulu-blue: #006DB0;

CSS backgroundbackground-color: #006DB0;

Tailwind configcolors: { 'honolulu-blue': '#006DB0' }

SwiftUIColor(red: 0.000, green: 0.427, blue: 0.690)

Android XML<color name="honolulu_blue">#006DB0</color>

SVG fillfill="#006DB0"

More Blue Colors

Honolulu Blue sits in the bluefamily. These are its neighbours across that family's full range, each with its own breakdown.

0070b8 0069d1 0072bb 0069a8 0073cf 0067a5 0073e6 0066ff 0077be 0066cc 0078d7 006699 0c2b64 191632 262b31 3399ff 483d8b 5f6e7c 7777e4 91a8ee aeb8c2 d1ccef eff1fe 0000b3

#006DB0 Frequently Asked Questions

What is the hex code for Honolulu Blue?

The hex code for Honolulu Blue is #006DB0. That is rgb(0, 109, 176) in RGB, hsl(203, 100%, 35%) in HSL, and approximately cmyk(100%, 38%, 0%, 31%) in CMYK.

What is the RGB value of #006DB0?

#006DB0 is rgb(0, 109, 176) — red 0, green 109, and blue 176 on the 0-255 scale.

What is the CMYK value of #006DB0?

#006DB0 converts to approximately cmyk(100%, 38%, 0%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #006DB0 be black or white?

White text is the more readable choice. #006DB0 scores 5.51:1 against white and 3.81:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #006DB0 as a CSS color keyword?

No. #006DB0 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 13.83, which is visibly different.

Open Honolulu Blue in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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