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Colour

#133A84

  • #133A84
  • Blue
  • Dark
  • Nearest: Dark slateblue

#133A84 is a blue with RGB values 19, 58, 132 and HSL 219°, 75%, 30%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#133A84#133A84
HEX#133A84
RGBrgb(19, 58, 132)
RGB (0–1)0.0745, 0.2275, 0.5176
RGB percentages7.5%, 22.7%, 51.8%
HSLhsl(219.3, 74.8%, 29.6%)
HSV / HSBhsv(219.3, 85.6%, 51.8%)
CMYK85.6%, 56.1%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,260,164
CSS custom property--colour: #133A84;

Brightness & contrast

Relative luminance0.04831WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.68:1
Contrast with white10.68:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#ECC57B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004387no red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#003983no green cones; the most common form, about 1% of men; ΔE 1.4 from the original
Tritanopia#004C59no blue cones; rare, and affects men and women equally; ΔE 44.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.68:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.2Midnight blue · ΔE 19Rebecca purple · ΔE 27.4Slate blue · ΔE 30.1Royal blue · ΔE 31Medium purple · ΔE 35.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#845D13
Analogous#137284, #251384
Triadic#84133A, #3A8413
Split complementary#842513, #728413
Tetradic#841372, #845D13, #138425

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#78A0EB
Lighter +30%#4B80E5
Lighter +20%#2061DD
Lighter +10%#194EB1
Darker −10%#0D2657
Darker −20%#06132B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003497
Less saturated −25%#264071

Channel breakdown

R19
G58
B132
Red19 (7.5%)
Green58 (22.7%)
Blue132 (51.8%)
Hue219.29°
Saturation (HSL)74.83%
Lightness29.61%
Dominant channelBlue
Hex per channelR 13 · G 3A · B 84

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Every value on this page was computed from “133a84” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.