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Recognised as Colour

#001773

  • #001773
  • Blue
  • Dark
  • Nearest: Midnight blue

#001773 is a blue with RGB values 0, 23, 115 and HSL 228°, 100%, 23%. It is a dark colour, so white text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001773#001773
HEX#001773
RGBrgb(0, 23, 115)
RGB (0–1)0, 0.0902, 0.451
RGB percentages0%, 9%, 45.1%
HSLhsl(228, 100%, 22.5%)
HSV / HSBhsv(228, 100%, 45.1%)
CMYK100%, 80%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,003
CSS custom property--colour: #001773;

Brightness & contrast

Relative luminance0.01851WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.33:1
Contrast with white15.33:1WCAG normal text: AAA
Contrast with black1.37:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#FFE88C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002B76no red cones; affects about 1% of men; ΔE 15.5 from the original
Deuteranopia#001F71no green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#003344no blue cones; rare, and affects men and women equally; ΔE 56.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.33:1WCAG large text: AAA
Contrast with black, large text1.37:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 4.2Navy · ΔE 18.8Indigo · ΔE 20Dark slateblue · ΔE 20.8Rebecca purple · ΔE 21.9Dark blue · ΔE 23.5
Nearest named CSS colourMidnight blue (#191970)ΔE 4.18, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#735C00
Analogous#005173, #220073
Triadic#730017, #177300
Split complementary#732300, #517300
Tetradic#730051, #735C00, #007322

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4066FF
Lighter +30%#0D3DFF
Lighter +20%#002BD9
Lighter +10%#0021A6
Darker −10%#000D40
Darker −20%#00030D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001773
Less saturated −25%#0E2065

Channel breakdown

R0
G23
B115
Red0 (0%)
Green23 (9%)
Blue115 (45.1%)
Hue228°
Saturation (HSL)100%
Lightness22.55%
Dominant channelBlue
Hex per channelR 00 · G 17 · B 73

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Every value on this page was computed from “hex 001773” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.