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#547DBB Color

#547DBB is rgb(84, 125, 187) in RGB, hsl(216, 43%, 53%) in HSL, and about cmyk(55%, 33%, 0%, 27%) in CMYK. It has no registered color name of its own — the closest is Tufts Blue (#417DC1), clearly related but distinguishable side by side at ΔE 5.26. Black text is the more readable choice on this background.

#547DBB
HEX#547DBB
RGBrgb(84, 125, 187)
HSLhsl(216, 43%, 53%)
HSVhsv(216, 55%, 73%)
CMYKcmyk(55%, 33%, 0%, 27%)
OKLCHoklch(58.7% 0.106 258.4)
LABlab(51.48% -0.56 -37.56)
LCHlch(51.48% 37.56 269.15)

What #547DBB 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 #547DBB, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Tufts Blue#417DC1ΔE 5.26Glaucous#6082B6ΔE 6.31Blue Yonder#5072A7ΔE 6.47Silver Lake Blue#5D89BAΔE 8.98Steel Blue#4682B4ΔE 9.14Green-blue (Crayola)#2887C8ΔE 10.96

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

#547DBB Channel Values

How #547DBB 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 84 · G 125 · B 1878-bit channels as sent to the display
HSLH 216° · S 43% · L 53%Easiest model for building lighter and darker variants
HSVH 216° · S 55% · V 73%Matches the picker in most design tools
CMYKC 55% · M 33% · Y 0% · K 27%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.18:1 vs white · 5.03:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #547DBB 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.

Fails AAWhite text4.18:1AA normal AA large AAA normal
TextBlack text5.03:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #547DBB in the contrast checker.

Colors That Go With #547DBB

Pairings derived from color-wheel relationships. The complementary color sits opposite #547DBB; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#547DBB
Complementary
#BB9154
Analogous
#54B0BB
Analogous
#5E54BB
Triadic
#BB547D
Triadic
#7DBB54
Split comp.
#BB5E54
Split comp.
#B0BB54

Tints & Shades of #547DBB

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

#698DC3
#83A1CE
#99B1D6
#B2C5E0
#C8D5E9
#E2E9F3

Shades

#436BA8
#395B8E
#2F4B75
#243A5B
#1A2A42
#101A28

Want a full 50-950 ramp with semantic roles? Generate design tokens from #547DBB.

How #547DBB 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#547DBB
Protanopia#7777BB
Protanomaly#6B7ABB
Deuteranopia#7171BC
Deuteranomaly#6776BB
Tritanopia#408787
Tritanomaly#49839E
Achromatopsia#7C7C7C

Test a full palette in the color blindness simulator.

Using #547DBB in Code

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

CSS custom property--color-547dbb: #547DBB;
CSS backgroundbackground-color: #547DBB;
Tailwind configcolors: { 'color-547dbb': '#547DBB' }
SwiftUIColor(red: 0.329, green: 0.490, blue: 0.733)
Android XML<color name="color_547dbb">#547DBB</color>
SVG fillfill="#547DBB"

More Blue Colors

#547DBB sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#547DBB Frequently Asked Questions

What color is #547DBB?

#547DBB is a mid-tone blue — rgb(84, 125, 187) in RGB and hsl(216, 43%, 53%) in HSL. It carries no registered color name of its own; the closest named color is Tufts Blue (#417DC1), which is clearly related but distinguishable side by side at a CIE76 distance of 5.26.

What is the RGB value of #547DBB?

#547DBB is rgb(84, 125, 187) — red 84, green 125, and blue 187 on the 0-255 scale.

What is the CMYK value of #547DBB?

#547DBB converts to approximately cmyk(55%, 33%, 0%, 27%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #547DBB be black or white?

Black text is the more readable choice. #547DBB scores 4.18:1 against white and 5.03:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #547DBB as a CSS color keyword?

No. #547DBB 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 9.14, which is clearly related but distinguishable side by side.

Open #547DBB 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.