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Recognised as Colour

#001779

  • #001779
  • Blue
  • Dark
  • Nearest: Midnight blue

#001779 is a blue with RGB values 0, 23, 121 and HSL 229°, 100%, 24%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001779#001779
HEX#001779
RGBrgb(0, 23, 121)
RGB (0–1)0, 0.0902, 0.4745
RGB percentages0%, 9%, 47.5%
HSLhsl(228.6, 100%, 23.7%)
HSV / HSBhsv(228.6, 100%, 47.5%)
CMYK100%, 81%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,009
CSS custom property--colour: #001779;

Brightness & contrast

Relative luminance0.01993WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.01:1
Contrast with white15.01:1WCAG normal text: AAA
Contrast with black1.4:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#FFE886

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002C7Cno red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#002177no green cones; the most common form, about 1% of men; ΔE 9 from the original
Tritanopia#003548no blue cones; rare, and affects men and women equally; ΔE 58.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.01:1WCAG large text: AAA
Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.2Navy · ΔE 15.6Indigo · ΔE 17.9Dark blue · ΔE 20.1Rebecca purple · ΔE 21.2Dark slateblue · ΔE 22.6
Nearest named CSS colourMidnight blue (#191970)ΔE 7.21, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#796200
Analogous#005379, #250079
Triadic#790017, #177900
Split complementary#792500, #537900
Tetradic#790054, #796200, #007925

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4669FF
Lighter +30%#1340FF
Lighter +20%#002ADF
Lighter +10%#0021AC
Darker −10%#000D46
Darker −20%#000413
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001779
Less saturated −25%#0F206A

Channel breakdown

R0
G23
B121
Red0 (0%)
Green23 (9%)
Blue121 (47.5%)
Hue228.6°
Saturation (HSL)100%
Lightness23.73%
Dominant channelBlue
Hex per channelR 00 · G 17 · B 79

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Every value on this page was computed from “hex 001779” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.