Colour

#133D53

#133D53
Blue
Dark
Nearest: Dark slate grey

#133D53 is a blue with RGB values 19, 61, 83 and HSL 201°, 63%, 20%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#133D53#133D53

HEX#133D53

RGBrgb(19, 61, 83)

RGB (0–1)0.0745, 0.2392, 0.3255

RGB percentages7.5%, 23.9%, 32.5%

HSLhsl(200.6, 62.7%, 20%)

HSV / HSBhsv(200.6, 77.1%, 32.5%)

CMYK77.1%, 26.5%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,260,883

CSS custom property--colour: #133D53;

Brightness & contrast

Relative luminance0.041WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.54:1

Contrast with white11.54:1WCAG normal text: AAA

Contrast with black1.82:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#ECC2AC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#323D54no red cones; affects about 1% of men; ΔE 8.7 from the original

Deuteranopia#2A3653no green cones; the most common form, about 1% of men; ΔE 10.4 from the original

Tritanopia#004344no blue cones; rare, and affects men and women equally; ΔE 16.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.54:1WCAG large text: AAA

Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.5 Dim grey · ΔE 27.6 Slate grey · ΔE 29.9 Black · ΔE 30.3 Steel blue · ΔE 32.1 Light slate grey · ΔE 32.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.53, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#532913

Analogous#135349, #131D53

Triadic#53133D, #3D5313

Split complementary#53131D, #534913

Tetradic#491353, #532913, #1D5313

Tints, shades & saturation

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

Lighter +40%#59ADD9

Lighter +30%#3099D0

Lighter +20%#267AA6

Lighter +10%#1C5C7D

Darker −10%#0A1F29

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#064160

Less saturated −25%#203946

Channel breakdown

R19

G61

B83

Red19 (7.5%)

Green61 (23.9%)

Blue83 (32.5%)

Hue200.63°

Saturation (HSL)62.75%

Lightness20%

Dominant channelBlue

Hex per channelR 13 · G 3D · B 53

Keep nerding

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

#133D53

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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