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Recognised as Colour

#0D73AA

  • #0D73AA
  • Blue
  • Dark
  • Nearest: Steel blue

#0D73AA is a blue with RGB values 13, 115, 170 and HSL 201°, 86%, 36%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0D73AA#0D73AA
HEX#0D73AA
RGBrgb(13, 115, 170)
RGB (0–1)0.051, 0.451, 0.6667
RGB percentages5.1%, 45.1%, 66.7%
HSLhsl(201, 85.8%, 35.9%)
HSV / HSBhsv(201, 92.4%, 66.7%)
CMYK92.4%, 32.4%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer881,578
CSS custom property--colour: #0D73AA;

Brightness & contrast

Relative luminance0.15249WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.19:1
Contrast with white5.19:1WCAG normal text: AA
Contrast with black4.05:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#F28C55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5874ACno red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#4467A9no green cones; the most common form, about 1% of men; ΔE 14.5 from the original
Tritanopia#008187no blue cones; rare, and affects men and women equally; ΔE 32.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.19:1WCAG large text: AAA
Contrast with black, large text4.05:1WCAG large text: AA

Named colours

Steel blue · ΔE 8.1Cornflower blue · ΔE 25.4Slate grey · ΔE 27.3Light slate grey · ΔE 27.7Deep skyblue · ΔE 29.6Dodgerblue · ΔE 33.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.11, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA440D
Analogous#0DAA92, #0D25AA
Triadic#AA0D73, #73AA0D
Split complementary#AA0D25, #AA920D
Tetradic#920DAA, #AA440D, #25AA0D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DD1F6
Lighter +30%#5DBEF3
Lighter +20%#2EABEF
Lighter +10%#1193D9
Darker −10%#09537B
Darker −20%#06334B
Darker −30%#02131C
Darker −40%#000000
More saturated +25%#0077B7
Less saturated −25%#246C93

Channel breakdown

R13
G115
B170
Red13 (5.1%)
Green115 (45.1%)
Blue170 (66.7%)
Hue201.02°
Saturation (HSL)85.79%
Lightness35.88%
Dominant channelBlue
Hex per channelR 0D · G 73 · B AA

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Every value on this page was computed from “0d73aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.