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Colour

#13418A

  • #13418A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#13418A is a blue with RGB values 19, 65, 138 and HSL 217°, 76%, 31%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#13418A#13418A
HEX#13418A
RGBrgb(19, 65, 138)
RGB (0–1)0.0745, 0.2549, 0.5412
RGB percentages7.5%, 25.5%, 54.1%
HSLhsl(216.8, 75.8%, 30.8%)
HSV / HSBhsv(216.8, 86.2%, 54.1%)
CMYK86.2%, 52.9%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,261,962
CSS custom property--colour: #13418A;

Brightness & contrast

Relative luminance0.05754WCAG 2.x, 0 is black and 1 is white
Perceived brightness69 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.76:1
Contrast with white9.76:1WCAG normal text: AAA
Contrast with black2.15:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#ECBE75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E498Dno red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#003F89no green cones; the most common form, about 1% of men; ΔE 1.5 from the original
Tritanopia#00535Fno blue cones; rare, and affects men and women equally; ΔE 44.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.76:1WCAG large text: AAA
Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.6Midnight blue · ΔE 22.4Rebecca purple · ΔE 29.3Slate blue · ΔE 30.4Royal blue · ΔE 30.5Steel blue · ΔE 32.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A5C13
Analogous#137C8A, #20138A
Triadic#8A1341, #418A13
Split complementary#8A2013, #7C8A13
Tetradic#8A137D, #8A5C13, #138A21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CA8ED
Lighter +30%#4F8AE7
Lighter +20%#226CE1
Lighter +10%#1956B7
Darker −10%#0D2C5D
Darker −20%#071730
Darker −30%#000204
Darker −40%#000000
More saturated +25%#003D9D
Less saturated −25%#274576

Channel breakdown

R19
G65
B138
Red19 (7.5%)
Green65 (25.5%)
Blue138 (54.1%)
Hue216.81°
Saturation (HSL)75.8%
Lightness30.78%
Dominant channelBlue
Hex per channelR 13 · G 41 · B 8A

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Every value on this page was computed from “13418a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.