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Recognised as Colour

#004584

  • #004584
  • Blue
  • Dark
  • Nearest: Dark slateblue

#004584 is a blue with RGB values 0, 69, 132 and HSL 209°, 100%, 26%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004584#004584
HEX#004584
RGBrgb(0, 69, 132)
RGB (0–1)0, 0.2706, 0.5176
RGB percentages0%, 27.1%, 51.8%
HSLhsl(208.6, 100%, 25.9%)
HSV / HSBhsv(208.6, 100%, 51.8%)
CMYK100%, 47.7%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer17,796
CSS custom property--colour: #004584;

Brightness & contrast

Relative luminance0.05922WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.61:1
Contrast with white9.61:1WCAG normal text: AAA
Contrast with black2.18:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#FFBA7B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#214B86no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#004083no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#00545Eno blue cones; rare, and affects men and women equally; ΔE 38.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.61:1WCAG large text: AAA
Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.8Steel blue · ΔE 27.2Midnight blue · ΔE 29.2Cornflower blue · ΔE 33.9Royal blue · ΔE 36.3Rebecca purple · ΔE 36.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#843F00
Analogous#008481, #000384
Triadic#840045, #458400
Split complementary#840003, #848100
Tetradic#810084, #843F00, #038400

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#51ACFF
Lighter +30%#1E94FF
Lighter +20%#007AEA
Lighter +10%#0060B7
Darker −10%#002A51
Darker −20%#00101E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004584
Less saturated −25%#104474

Channel breakdown

R0
G69
B132
Red0 (0%)
Green69 (27.1%)
Blue132 (51.8%)
Hue208.64°
Saturation (HSL)100%
Lightness25.88%
Dominant channelBlue
Hex per channelR 00 · G 45 · B 84

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Every value on this page was computed from “hex 004584” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.