Colour

#2F528D

#2F528D
Blue
Dark
Nearest: Dark slateblue

#2F528D is a blue with RGB values 47, 82, 141 and HSL 218°, 50%, 37%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F528D#2F528D

HEX#2F528D

RGBrgb(47, 82, 141)

RGB (0–1)0.1843, 0.3216, 0.5529

RGB percentages18.4%, 32.2%, 55.3%

HSLhsl(217.7, 50%, 36.9%)

HSV / HSBhsv(217.7, 66.7%, 55.3%)

CMYK66.7%, 41.8%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,101,325

CSS custom property--colour: #2F528D;

Brightness & contrast

Relative luminance0.08562WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.74:1

Contrast with white7.74:1WCAG normal text: AAA

Contrast with black2.71:1WCAG normal text: Fail

Greyscale equivalent#4F4F4F

Inverted#D0AD72

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#37578Fno red cones; affects about 1% of men; ΔE 3 from the original

Deuteranopia#294F8Cno green cones; the most common form, about 1% of men; ΔE 1.9 from the original

Tritanopia#005F68no blue cones; rare, and affects men and women equally; ΔE 37 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.74:1WCAG large text: AAA

Contrast with black, large text2.71:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.8 Steel blue · ΔE 21.3 Cornflower blue · ΔE 29.7 Slate grey · ΔE 32.9 Midnight blue · ΔE 33.6 Light slate grey · ΔE 34.2

Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.84, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8D6A2F

Analogous#2F818D, #3B2F8D

Triadic#8D2F52, #528D2F

Split complementary#8D3B2F, #818D2F

Tetradic#8D2F81, #8D6A2F, #2F8D3B

Tints, shades & saturation

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

Lighter +40%#A7BCE2

Lighter +30%#80A0D5

Lighter +20%#5A83C8

Lighter +10%#3C68B3

Darker −10%#223C67

Darker −20%#162641

Darker −30%#090F1A

Darker −40%#000000

More saturated +25%#184CA5

Less saturated −25%#475876

Channel breakdown

R47

G82

B141

Red47 (18.4%)

Green82 (32.2%)

Blue141 (55.3%)

Hue217.66°

Saturation (HSL)50%

Lightness36.86%

Dominant channelBlue

Hex per channelR 2F · G 52 · B 8D

Keep nerding

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

#2F528D

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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