Colour

#555F7A

#555F7A
Blue
Dark
Nearest: Slate grey

#555F7A is a blue with RGB values 85, 95, 122 and HSL 224°, 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

#555F7A#555F7A

HEX#555F7A

RGBrgb(85, 95, 122)

RGB (0–1)0.3333, 0.3725, 0.4784

RGB percentages33.3%, 37.3%, 47.8%

HSLhsl(223.8, 17.9%, 40.6%)

HSV / HSBhsv(223.8, 30.3%, 47.8%)

CMYK30.3%, 22.1%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,595,002

CSS custom property--colour: #555F7A;

Brightness & contrast

Relative luminance0.11521WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.36:1

Contrast with white6.36:1WCAG normal text: AA

Contrast with black3.3:1WCAG normal text: Fail

Greyscale equivalent#5F5F5F

Inverted#AAA085

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#57617Bno red cones; affects about 1% of men; ΔE 1 from the original

Deuteranopia#535E79no green cones; the most common form, about 1% of men; ΔE 0.6 from the original

Tritanopia#4B6468no blue cones; rare, and affects men and women equally; ΔE 15.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.36:1WCAG large text: AAA

Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Slate grey · ΔE 14.6 Dim grey · ΔE 17.2 Light slate grey · ΔE 17.2 Steel blue · ΔE 21 Gray · ΔE 21.2 Dark slate grey · ΔE 21.5

Nearest named CSS colourSlate grey (#708090)ΔE 14.62, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7A7055

Analogous#55727A, #5D557A

Triadic#7A555F, #5F7A55

Split complementary#7A5E55, #727A55

Tetradic#7A5572, #7A7055, #557A5E

Tints, shades & saturation

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

Lighter +40%#C5C9D6

Lighter +30%#A7AEC1

Lighter +20%#8992AC

Lighter +10%#6A7798

Darker −10%#40485C

Darker −20%#2B303E

Darker −30%#161920

Darker −40%#010102

More saturated +25%#3B5394

Less saturated −25%#686868

Channel breakdown

R85

G95

B122

Red85 (33.3%)

Green95 (37.3%)

Blue122 (47.8%)

Hue223.78°

Saturation (HSL)17.87%

Lightness40.59%

Dominant channelBlue

Hex per channelR 55 · G 5F · B 7A

Keep nerding

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

#555F7A

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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