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Colour

#003A79

  • #003A79
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003A79 is a blue with RGB values 0, 58, 121 and HSL 211°, 100%, 24%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003A79#003A79
HEX#003A79
RGBrgb(0, 58, 121)
RGB (0–1)0, 0.2275, 0.4745
RGB percentages0%, 22.7%, 47.5%
HSLhsl(211.2, 100%, 23.7%)
HSV / HSBhsv(211.2, 100%, 47.5%)
CMYK100%, 52.1%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,969
CSS custom property--colour: #003A79;

Brightness & contrast

Relative luminance0.04407WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.16:1
Contrast with white11.16:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#FFC586

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#10417Bno red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#003678no green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#004A53no blue cones; rare, and affects men and women equally; ΔE 39.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.16:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.9Midnight blue · ΔE 25Steel blue · ΔE 32.1Rebecca purple · ΔE 34.2Slate blue · ΔE 37.1Royal blue · ΔE 37.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#793F00
Analogous#007679, #030079
Triadic#79003A, #3A7900
Split complementary#790300, #767900
Tetradic#790076, #793F00, #007903

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#469FFF
Lighter +30%#1384FF
Lighter +20%#006BDF
Lighter +10%#0052AC
Darker −10%#002246
Darker −20%#000913
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003A79
Less saturated −25%#0F3B6A

Channel breakdown

R0
G58
B121
Red0 (0%)
Green58 (22.7%)
Blue121 (47.5%)
Hue211.24°
Saturation (HSL)100%
Lightness23.73%
Dominant channelBlue
Hex per channelR 00 · G 3A · B 79

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Every value on this page was computed from “003a79” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.