Colour

#005571

#005571
Cyan
Dark
Nearest: Dark slate grey

#005571 is a cyan with RGB values 0, 85, 113 and HSL 195°, 100%, 22%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#005571#005571

HEX#005571

RGBrgb(0, 85, 113)

RGB (0–1)0, 0.3333, 0.4431

RGB percentages0%, 33.3%, 44.3%

HSLhsl(194.9, 100%, 22.2%)

HSV / HSBhsv(194.9, 100%, 44.3%)

CMYK100%, 24.8%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer21,873

CSS custom property--colour: #005571;

Brightness & contrast

Relative luminance0.07689WCAG 2.x, 0 is black and 1 is white

Perceived brightness75.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.27:1

Contrast with white8.27:1WCAG normal text: AAA

Contrast with black2.54:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#FFAA8E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#465472no red cones; affects about 1% of men; ΔE 14.4 from the original

Deuteranopia#394A71no green cones; the most common form, about 1% of men; ΔE 16.4 from the original

Tritanopia#005D5Eno blue cones; rare, and affects men and women equally; ΔE 19 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text8.27:1WCAG large text: AAA

Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.6 Steel blue · ΔE 22.7 Slate grey · ΔE 24.4 Light slate grey · ΔE 26.6 Teal · ΔE 27 Dim grey · ΔE 27.1

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.58, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#711C00

Analogous#007154, #001D71

Triadic#710055, #557100

Split complementary#71001D, #715400

Tetradic#540071, #711C00, #1D7100

Tints, shades & saturation

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

Lighter +40%#3ECFFF

Lighter +30%#0BC3FF

Lighter +20%#00A2D7

Lighter +10%#007BA4

Darker −10%#002F3E

Darker −20%#00080B

Darker −30%#000000

Darker −40%#000000

More saturated +25%#005571

Less saturated −25%#0E4E63

Channel breakdown

G85

B113

Red0 (0%)

Green85 (33.3%)

Blue113 (44.3%)

Hue194.87°

Saturation (HSL)100%

Lightness22.16%

Dominant channelBlue

Hex per channelR 00 · G 55 · B 71

Keep nerding

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#005571

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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