Colour

#51848A

#51848A
Cyan
Dark
Nearest: Cadetblue

#51848A is a cyan with RGB values 81, 132, 138 and HSL 186°, 26%, 43%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#51848A#51848A

HEX#51848A

RGBrgb(81, 132, 138)

RGB (0–1)0.3176, 0.5176, 0.5412

RGB percentages31.8%, 51.8%, 54.1%

HSLhsl(186.3, 26%, 42.9%)

HSV / HSBhsv(186.3, 41.3%, 54.1%)

CMYK41.3%, 4.3%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,342,346

CSS custom property--colour: #51848A;

Brightness & contrast

Relative luminance0.20087WCAG 2.x, 0 is black and 1 is white

Perceived brightness119.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.02:1

Contrast with white4.19:1WCAG normal text: Fail

Contrast with black5.02:1WCAG normal text: AA

Greyscale equivalent#7A7A7A

Inverted#AE7B75

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7D808Ano red cones; affects about 1% of men; ΔE 16.7 from the original

Deuteranopia#73798Ano green cones; the most common form, about 1% of men; ΔE 17 from the original

Tritanopia#388886no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.19:1WCAG large text: AA

Contrast with black, large text5.02:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 10.2 Slate grey · ΔE 13.5 Teal · ΔE 13.9 Light slate grey · ΔE 14 Dark cyan · ΔE 15.2 Gray · ΔE 17.7

Nearest named CSS colourCadetblue (#5F9EA0)ΔE 10.22, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8A5751

Analogous#518A73, #51688A

Triadic#8A5184, #848A51

Split complementary#8A5168, #8A7351

Tetradic#73518A, #8A5751, #688A51

Tints, shades & saturation

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

Lighter +40%#C8DCDF

Lighter +30%#A8C8CC

Lighter +20%#88B4B9

Lighter +10%#68A0A6

Darker −10%#3E656A

Darker −20%#2B474A

Darker −30%#18282A

Darker −40%#060909

More saturated +25%#369AA5

Less saturated −25%#6C6E6F

Channel breakdown

R81

G132

B138

Red81 (31.8%)

Green132 (51.8%)

Blue138 (54.1%)

Hue186.32°

Saturation (HSL)26.03%

Lightness42.94%

Dominant channelBlue

Hex per channelR 51 · G 84 · B 8A

Keep nerding

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

#51848A

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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