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Recognised as Colour

#0339BF

  • #0339BF
  • Blue
  • Dark
  • Nearest: Dark blue

#0339BF is a blue with RGB values 3, 57, 191 and HSL 223°, 97%, 38%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0339BF#0339BF
HEX#0339BF
RGBrgb(3, 57, 191)
RGB (0–1)0.0118, 0.2235, 0.749
RGB percentages1.2%, 22.4%, 74.9%
HSLhsl(222.8, 96.9%, 38%)
HSV / HSBhsv(222.8, 98.4%, 74.9%)
CMYK98.4%, 70.2%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer211,391
CSS custom property--colour: #0339BF;

Brightness & contrast

Relative luminance0.06707WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.97:1
Contrast with white8.97:1WCAG normal text: AAA
Contrast with black2.34:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#FCC640

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052C3no red cones; affects about 1% of men; ΔE 18.5 from the original
Deuteranopia#0041BDno green cones; the most common form, about 1% of men; ΔE 7.4 from the original
Tritanopia#005F78no blue cones; rare, and affects men and women equally; ΔE 75.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.97:1WCAG large text: AAA
Contrast with black, large text2.34:1WCAG large text: Fail

Named colours

Dark blue · ΔE 20Slate blue · ΔE 21.2Navy · ΔE 21.4Medium slateblue · ΔE 22.4Royal blue · ΔE 22.9Indigo · ΔE 25.4
Nearest named CSS colourDark blue (#00008B)ΔE 20, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF8903
Analogous#0397BF, #2B03BF
Triadic#BF0339, #39BF03
Split complementary#BF2B03, #97BF03
Tetradic#BF0397, #BF8903, #03BF2B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#91B0FD
Lighter +30%#5F8CFC
Lighter +20%#2C68FC
Lighter +10%#0448F1
Darker −10%#022A8D
Darker −20%#011B5B
Darker −30%#010C28
Darker −40%#000000
More saturated +25%#0038C2
Less saturated −25%#1B43A7

Channel breakdown

R3
G57
B191
Red3 (1.2%)
Green57 (22.4%)
Blue191 (74.9%)
Hue222.77°
Saturation (HSL)96.91%
Lightness38.04%
Dominant channelBlue
Hex per channelR 03 · G 39 · B BF

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Every value on this page was computed from “0339bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.