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Colour

#13608D

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

#13608D is a blue with RGB values 19, 96, 141 and HSL 202°, 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

#13608D#13608D
HEX#13608D
RGBrgb(19, 96, 141)
RGB (0–1)0.0745, 0.3765, 0.5529
RGB percentages7.5%, 37.6%, 55.3%
HSLhsl(202.1, 76.3%, 31.4%)
HSV / HSBhsv(202.1, 86.5%, 55.3%)
CMYK86.5%, 31.9%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,269,901
CSS custom property--colour: #13608D;

Brightness & contrast

Relative luminance0.10427WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.81:1
Contrast with white6.81:1WCAG normal text: AA
Contrast with black3.09:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#EC9F72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B618Fno red cones; affects about 1% of men; ΔE 11 from the original
Deuteranopia#3A568Cno green cones; the most common form, about 1% of men; ΔE 12.4 from the original
Tritanopia#006B70no blue cones; rare, and affects men and women equally; ΔE 27.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.81:1WCAG large text: AAA
Contrast with black, large text3.09:1WCAG large text: AA

Named colours

Steel blue · ΔE 14Slate grey · ΔE 25.2Light slate grey · ΔE 26.6Dark slate grey · ΔE 29Dim grey · ΔE 32.1Cornflower blue · ΔE 33
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D4013
Analogous#138D7D, #13238D
Triadic#8D1360, #608D13
Split complementary#8D1323, #8D7D13
Tetradic#7D138D, #8D4013, #238D13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7EC5EE
Lighter +30%#51B0E8
Lighter +20%#249CE2
Lighter +10%#197FBA
Darker −10%#0D4160
Darker −20%#072333
Darker −30%#010406
Darker −40%#000000
More saturated +25%#0065A0
Less saturated −25%#275B79

Channel breakdown

R19
G96
B141
Red19 (7.5%)
Green96 (37.6%)
Blue141 (55.3%)
Hue202.13°
Saturation (HSL)76.25%
Lightness31.37%
Dominant channelBlue
Hex per channelR 13 · G 60 · B 8D

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