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Recognised as Colour

#0039AF

  • #0039AF
  • Blue
  • Dark
  • Nearest: Slate blue

#0039AF is a blue with RGB values 0, 57, 175 and HSL 220°, 100%, 34%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#0039AF#0039AF
HEX#0039AF
RGBrgb(0, 57, 175)
RGB (0–1)0, 0.2235, 0.6863
RGB percentages0%, 22.4%, 68.6%
HSLhsl(220.5, 100%, 34.3%)
HSV / HSBhsv(220.5, 100%, 68.6%)
CMYK100%, 67.4%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,767
CSS custom property--colour: #0039AF;

Brightness & contrast

Relative luminance0.06021WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.53:1
Contrast with white9.53:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#FFC650

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DB3no red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#003EADno green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#005A6Fno blue cones; rare, and affects men and women equally; ΔE 68.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.53:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Slate blue · ΔE 18.2Royal blue · ΔE 19.8Rebecca purple · ΔE 21.6Navy · ΔE 21.6Midnight blue · ΔE 21.6Dark blue · ΔE 22.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 18.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF7600
Analogous#0091AF, #1E00AF
Triadic#AF0039, #39AF00
Split complementary#AF1E00, #91AF00
Tetradic#AF0091, #AF7600, #00AF1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CA7FF
Lighter +30%#4984FF
Lighter +20%#1662FF
Lighter +10%#004AE2
Darker −10%#00287C
Darker −20%#001849
Darker −30%#000716
Darker −40%#000000
More saturated +25%#0039AF
Less saturated −25%#164199

Channel breakdown

R0
G57
B175
Red0 (0%)
Green57 (22.4%)
Blue175 (68.6%)
Hue220.46°
Saturation (HSL)100%
Lightness34.31%
Dominant channelBlue
Hex per channelR 00 · G 39 · B AF

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Every value on this page was computed from “0039af” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.