Colour

#13376A

#13376A
Blue
Dark
Nearest: Dark slateblue

#13376A is a blue with RGB values 19, 55, 106 and HSL 215°, 70%, 25%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#13376A#13376A

HEX#13376A

RGBrgb(19, 55, 106)

RGB (0–1)0.0745, 0.2157, 0.4157

RGB percentages7.5%, 21.6%, 41.6%

HSLhsl(215.2, 69.6%, 24.5%)

HSV / HSBhsv(215.2, 82.1%, 41.6%)

CMYK82.1%, 48.1%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,259,370

CSS custom property--colour: #13376A;

Brightness & contrast

Relative luminance0.03911WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.78:1

Contrast with white11.78:1WCAG normal text: AAA

Contrast with black1.78:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#ECC895

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C3C6Cno red cones; affects about 1% of men; ΔE 3.2 from the original

Deuteranopia#083469no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#00434Bno blue cones; rare, and affects men and women equally; ΔE 32.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.78:1WCAG large text: AAA

Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.7 Midnight blue · ΔE 30 Steel blue · ΔE 31.4 Dark slate grey · ΔE 36.3 Slate grey · ΔE 38.5 Rebecca purple · ΔE 39.1

Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.74, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6A4613

Analogous#13626A, #1B136A

Triadic#6A1337, #376A13

Split complementary#6A1B13, #626A13

Tetradic#6A1362, #6A4613, #136A1B

Tints, shades & saturation

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

Lighter +40%#669AE3

Lighter +30%#3A7DDC

Lighter +20%#2364C0

Lighter +10%#1B4D95

Darker −10%#0B213F

Darker −20%#030A14

Darker −30%#000000

Darker −40%#000000

More saturated +25%#03347A

Less saturated −25%#233A5A

Channel breakdown

R19

G55

B106

Red19 (7.5%)

Green55 (21.6%)

Blue106 (41.6%)

Hue215.17°

Saturation (HSL)69.6%

Lightness24.51%

Dominant channelBlue

Hex per channelR 13 · G 37 · B 6A

Keep nerding

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#13376A

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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