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Recognised as Colour

#133C72

  • #133C72
  • Blue
  • Dark
  • Nearest: Dark slateblue

#133C72 is a blue with RGB values 19, 60, 114 and HSL 214°, 71%, 26%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#133C72#133C72
HEX#133C72
RGBrgb(19, 60, 114)
RGB (0–1)0.0745, 0.2353, 0.4471
RGB percentages7.5%, 23.5%, 44.7%
HSLhsl(214.1, 71.4%, 26.1%)
HSV / HSBhsv(214.1, 83.3%, 44.7%)
CMYK83.3%, 47.4%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,260,658
CSS custom property--colour: #133C72;

Brightness & contrast

Relative luminance0.04585WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.95:1
Contrast with white10.95:1WCAG normal text: AAA
Contrast with black1.92:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#ECC38D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#204174no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#0A3871no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#004951no blue cones; rare, and affects men and women equally; ΔE 34.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.95:1WCAG large text: AAA
Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.6Steel blue · ΔE 29.4Midnight blue · ΔE 29.9Dark slate grey · ΔE 37.2Slate grey · ΔE 38Rebecca purple · ΔE 38.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#724913
Analogous#136B72, #1A1372
Triadic#72133C, #3C7213
Split complementary#721A13, #6C7213
Tetradic#72136B, #724913, #13721A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6BA0E6
Lighter +30%#3F84DF
Lighter +20%#226AC9
Lighter +10%#1A539E
Darker −10%#0C2546
Darker −20%#040E1B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#023A83
Less saturated −25%#243E61

Channel breakdown

R19
G60
B114
Red19 (7.5%)
Green60 (23.5%)
Blue114 (44.7%)
Hue214.11°
Saturation (HSL)71.43%
Lightness26.08%
Dominant channelBlue
Hex per channelR 13 · G 3C · B 72

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Every value on this page was computed from “133c72” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.