Colour

#13598B

#13598B
Blue
Dark
Nearest: Steel blue

#13598B is a blue with RGB values 19, 89, 139 and HSL 205°, 76%, 31%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#13598B#13598B

HEX#13598B

RGBrgb(19, 89, 139)

RGB (0–1)0.0745, 0.349, 0.5451

RGB percentages7.5%, 34.9%, 54.5%

HSLhsl(205, 75.9%, 31%)

HSV / HSBhsv(205, 86.3%, 54.5%)

CMYK86.3%, 36%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,268,107

CSS custom property--colour: #13598B;

Brightness & contrast

Relative luminance0.09147WCAG 2.x, 0 is black and 1 is white

Perceived brightness83.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.42:1

Contrast with white7.42:1WCAG normal text: AAA

Contrast with black2.83:1WCAG normal text: Fail

Greyscale equivalent#4E4E4E

Inverted#ECA674

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#415B8Dno red cones; affects about 1% of men; ΔE 8.2 from the original

Deuteranopia#30508Ano green cones; the most common form, about 1% of men; ΔE 10 from the original

Tritanopia#00656Bno blue cones; rare, and affects men and women equally; ΔE 31 from the original

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

Contrast with white, large text7.42:1WCAG large text: AAA

Contrast with black, large text2.83:1WCAG large text: Fail

Named colours

Steel blue · ΔE 16.4 Slate grey · ΔE 28.3 Dark slateblue · ΔE 29.5 Light slate grey · ΔE 29.8 Dark slate grey · ΔE 31.9 Cornflower blue · ΔE 32.1

Nearest named CSS colourSteel blue (#4682B4)ΔE 16.43, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8B4513

Analogous#138B81, #131D8B

Triadic#8B1359, #598B13

Split complementary#8B131D, #8B8113

Tetradic#81138B, #8B4513, #1D8B13

Tints, shades & saturation

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

Lighter +40%#7DBEED

Lighter +30%#50A8E7

Lighter +20%#2392E1

Lighter +10%#1976B8

Darker −10%#0D3C5E

Darker −20%#072031

Darker −30%#010304

Darker −40%#000000

More saturated +25%#005C9E

Less saturated −25%#275677

Channel breakdown

R19

G89

B139

Red19 (7.5%)

Green89 (34.9%)

Blue139 (54.5%)

Hue205°

Saturation (HSL)75.95%

Lightness30.98%

Dominant channelBlue

Hex per channelR 13 · G 59 · B 8B

Keep nerding

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

#13598B

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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