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Recognised as Colour

#081B73

  • #081B73
  • Blue
  • Dark
  • Nearest: Midnight blue

#081B73 is a blue with RGB values 8, 27, 115 and HSL 229°, 87%, 24%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#081B73#081B73
HEX#081B73
RGBrgb(8, 27, 115)
RGB (0–1)0.0314, 0.1059, 0.451
RGB percentages3.1%, 10.6%, 45.1%
HSLhsl(229.3, 87%, 24.1%)
HSV / HSBhsv(229.3, 93%, 45.1%)
CMYK93%, 76.5%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer531,315
CSS custom property--colour: #081B73;

Brightness & contrast

Relative luminance0.02073WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.84:1
Contrast with white14.84:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#F7E48C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002D76no red cones; affects about 1% of men; ΔE 14.3 from the original
Deuteranopia#002271no green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#003545no blue cones; rare, and affects men and women equally; ΔE 54.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.84:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 2.4Dark slateblue · ΔE 18.2Rebecca purple · ΔE 21.6Navy · ΔE 21.8Indigo · ΔE 21.9Dark blue · ΔE 26.4
Nearest named CSS colourMidnight blue (#191970)ΔE 2.39, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#736008
Analogous#085073, #2B0873
Triadic#73081B, #1B7308
Split complementary#732B08, #517308
Tetradic#730850, #736008, #08732B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5470F3
Lighter +30%#2448F0
Lighter +20%#0F31D2
Lighter +10%#0B26A3
Darker −10%#051043
Darker −20%#010514
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00167B
Less saturated −25%#172564

Channel breakdown

R8
G27
B115
Red8 (3.1%)
Green27 (10.6%)
Blue115 (45.1%)
Hue229.35°
Saturation (HSL)86.99%
Lightness24.12%
Dominant channelBlue
Hex per channelR 08 · G 1B · B 73

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Every value on this page was computed from “081b73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.