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Recognised as Colour

#004079

  • #004079
  • Blue
  • Dark
  • Nearest: Dark slateblue

#004079 is a blue with RGB values 0, 64, 121 and HSL 208°, 100%, 24%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004079#004079
HEX#004079
RGBrgb(0, 64, 121)
RGB (0–1)0, 0.251, 0.4745
RGB percentages0%, 25.1%, 47.5%
HSLhsl(208.3, 100%, 23.7%)
HSV / HSBhsv(208.3, 100%, 47.5%)
CMYK100%, 47.1%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,505
CSS custom property--colour: #004079;

Brightness & contrast

Relative luminance0.05047WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.45:1
Contrast with white10.45:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#FFBF86

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#20457Bno red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#023B78no green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#004E56no blue cones; rare, and affects men and women equally; ΔE 35.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.45:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.9Steel blue · ΔE 28Midnight blue · ΔE 30.5Cornflower blue · ΔE 37.2Slate grey · ΔE 38.2Dark slate grey · ΔE 38.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#793900
Analogous#007976, #000379
Triadic#790040, #407900
Split complementary#790003, #797500
Tetradic#760079, #793900, #047900

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#46A8FF
Lighter +30%#1390FF
Lighter +20%#0076DF
Lighter +10%#005BAC
Darker −10%#002546
Darker −20%#000A13
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004079
Less saturated −25%#0F3F6A

Channel breakdown

R0
G64
B121
Red0 (0%)
Green64 (25.1%)
Blue121 (47.5%)
Hue208.26°
Saturation (HSL)100%
Lightness23.73%
Dominant channelBlue
Hex per channelR 00 · G 40 · B 79

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Every value on this page was computed from “hex 004079” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.