Recognised as Colour

#555E7A

#555E7A
Blue
Dark
Nearest: Slate grey

#555E7A is a blue with RGB values 85, 94, 122 and HSL 225°, 18%, 41%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#555E7A#555E7A

HEX#555E7A

RGBrgb(85, 94, 122)

RGB (0–1)0.3333, 0.3686, 0.4784

RGB percentages33.3%, 36.9%, 47.8%

HSLhsl(225.4, 17.9%, 40.6%)

HSV / HSBhsv(225.4, 30.3%, 47.8%)

CMYK30.3%, 23%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,594,746

CSS custom property--colour: #555E7A;

Brightness & contrast

Relative luminance0.11342WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.43:1

Contrast with white6.43:1WCAG normal text: AA

Contrast with black3.27:1WCAG normal text: Fail

Greyscale equivalent#5E5E5E

Inverted#AAA185

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#55607Bno red cones; affects about 1% of men; ΔE 1.2 from the original

Deuteranopia#525D79no green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#4B6367no blue cones; rare, and affects men and women equally; ΔE 16.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.43:1WCAG large text: AAA

Contrast with black, large text3.27:1WCAG large text: AA

Named colours

Slate grey · ΔE 15.3 Light slate grey · ΔE 17.8 Dim grey · ΔE 17.8 Steel blue · ΔE 21.1 Gray · ΔE 21.9 Dark slate grey · ΔE 22

Nearest named CSS colourSlate grey (#708090)ΔE 15.27, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#7A7155

Analogous#55717A, #5F557A

Triadic#7A555E, #5E7A55

Split complementary#7A5F55, #717A55

Tetradic#7A5571, #7A7155, #557A5F

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#C5C9D6

Lighter +30%#A7ADC1

Lighter +20%#8991AC

Lighter +10%#6A7598

Darker −10%#40475C

Darker −20%#2B303E

Darker −30%#161920

Darker −40%#010102

More saturated +25%#3B5194

Less saturated −25%#686868

Channel breakdown

R85

G94

B122

Red85 (33.3%)

Green94 (36.9%)

Blue122 (47.8%)

Hue225.41°

Saturation (HSL)17.87%

Lightness40.59%

Dominant channelBlue

Hex per channelR 55 · G 5E · B 7A

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#555E7A

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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