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Recognised as Colour

#003299

  • #003299
  • Blue
  • Dark
  • Nearest: Midnight blue

#003299 is a blue with RGB values 0, 50, 153 and HSL 220°, 100%, 30%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#003299#003299
HEX#003299
RGBrgb(0, 50, 153)
RGB (0–1)0, 0.1961, 0.6
RGB percentages0%, 19.6%, 60%
HSLhsl(220.4, 100%, 30%)
HSV / HSBhsv(220.4, 100%, 60%)
CMYK100%, 67.3%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,953
CSS custom property--colour: #003299;

Brightness & contrast

Relative luminance0.04581WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.96:1
Contrast with white10.96:1WCAG normal text: AAA
Contrast with black1.92:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#FFCD66

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00439Cno red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#003697no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#004E61no blue cones; rare, and affects men and women equally; ΔE 60.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.96:1WCAG large text: AAA
Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14Dark slateblue · ΔE 18.6Rebecca purple · ΔE 19.6Slate blue · ΔE 20.9Navy · ΔE 22.5Royal blue · ΔE 23.3
Nearest named CSS colourMidnight blue (#191970)ΔE 14.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#996700
Analogous#007F99, #1A0099
Triadic#990032, #329900
Split complementary#991A00, #7F9900
Tetradic#99007F, #996700, #00991A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6698FF
Lighter +30%#3376FF
Lighter +20%#0053FF
Lighter +10%#0043CC
Darker −10%#002166
Darker −20%#001133
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003299
Less saturated −25%#133986

Channel breakdown

R0
G50
B153
Red0 (0%)
Green50 (19.6%)
Blue153 (60%)
Hue220.39°
Saturation (HSL)100%
Lightness30%
Dominant channelBlue
Hex per channelR 00 · G 32 · B 99

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Every value on this page was computed from “hex 003299” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.