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Recognised as Colour

#002579

  • #002579
  • Blue
  • Dark
  • Nearest: Midnight blue

#002579 is a blue with RGB values 0, 37, 121 and HSL 222°, 100%, 24%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#002579#002579
HEX#002579
RGBrgb(0, 37, 121)
RGB (0–1)0, 0.1451, 0.4745
RGB percentages0%, 14.5%, 47.5%
HSLhsl(221.7, 100%, 23.7%)
HSV / HSBhsv(221.7, 100%, 47.5%)
CMYK100%, 69.4%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,593
CSS custom property--colour: #002579;

Brightness & contrast

Relative luminance0.02704WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.63:1
Contrast with white13.63:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#FFDA86

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00337Cno red cones; affects about 1% of men; ΔE 11 from the original
Deuteranopia#002877no green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#003C4Bno blue cones; rare, and affects men and women equally; ΔE 51.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.63:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7Dark slateblue · ΔE 14.7Rebecca purple · ΔE 22.7Indigo · ΔE 26.4Navy · ΔE 26.8Slate blue · ΔE 29.5
Nearest named CSS colourMidnight blue (#191970)ΔE 6.98, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#795400
Analogous#006279, #170079
Triadic#790025, #257900
Split complementary#791700, #627900
Tetradic#790062, #795400, #007917

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#467FFF
Lighter +30%#135BFF
Lighter +20%#0044DF
Lighter +10%#0035AC
Darker −10%#001546
Darker −20%#000613
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002579
Less saturated −25%#0F2B6A

Channel breakdown

R0
G37
B121
Red0 (0%)
Green37 (14.5%)
Blue121 (47.5%)
Hue221.65°
Saturation (HSL)100%
Lightness23.73%
Dominant channelBlue
Hex per channelR 00 · G 25 · B 79

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Every value on this page was computed from “hex 002579” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.