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Recognised as Colour

#13608A

  • #13608A
  • Blue
  • Dark
  • Nearest: Steel blue

#13608A is a blue with RGB values 19, 96, 138 and HSL 201°, 76%, 31%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#13608A#13608A
HEX#13608A
RGBrgb(19, 96, 138)
RGB (0–1)0.0745, 0.3765, 0.5412
RGB percentages7.5%, 37.6%, 54.1%
HSLhsl(201.2, 75.8%, 30.8%)
HSV / HSBhsv(201.2, 86.2%, 54.1%)
CMYK86.2%, 30.4%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,269,898
CSS custom property--colour: #13608A;

Brightness & contrast

Relative luminance0.10339WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.85:1
Contrast with white6.85:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#EC9F75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C608Cno red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#3C5689no green cones; the most common form, about 1% of men; ΔE 12.9 from the original
Tritanopia#006B6Fno blue cones; rare, and affects men and women equally; ΔE 26.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.85:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.5Slate grey · ΔE 24.2Light slate grey · ΔE 25.7Dark slate grey · ΔE 27.3Dim grey · ΔE 30.8Teal · ΔE 32.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A3D13
Analogous#138A79, #13248A
Triadic#8A1360, #608A13
Split complementary#8A1324, #8A7913
Tetradic#79138A, #8A3D13, #248A13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CC5ED
Lighter +30%#4FB1E7
Lighter +20%#229DE1
Lighter +10%#197FB7
Darker −10%#0D415D
Darker −20%#072230
Darker −30%#000204
Darker −40%#000000
More saturated +25%#00669D
Less saturated −25%#275A76

Channel breakdown

R19
G96
B138
Red19 (7.5%)
Green96 (37.6%)
Blue138 (54.1%)
Hue201.18°
Saturation (HSL)75.8%
Lightness30.78%
Dominant channelBlue
Hex per channelR 13 · G 60 · B 8A

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Every value on this page was computed from “13608a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.