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Recognised as Colour

#0319B5

  • #0319B5
  • Blue
  • Dark
  • Nearest: Dark blue

#0319B5 is a blue with RGB values 3, 25, 181 and HSL 233°, 97%, 36%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0319B5#0319B5
HEX#0319B5
RGBrgb(3, 25, 181)
RGB (0–1)0.0118, 0.098, 0.7098
RGB percentages1.2%, 9.8%, 71%
HSLhsl(232.6, 96.7%, 36.1%)
HSV / HSBhsv(232.6, 98.3%, 71%)
CMYK98.3%, 86.2%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer203,189
CSS custom property--colour: #0319B5;

Brightness & contrast

Relative luminance0.04051WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.6:1
Contrast with white11.6:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#FCE64A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0041B9no red cones; affects about 1% of men; ΔE 26.1 from the original
Deuteranopia#002FB3no green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#004E6Bno blue cones; rare, and affects men and women equally; ΔE 85 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.6:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Dark blue · ΔE 14.3Medium blue · ΔE 18.2Navy · ΔE 19.2Blue violet · ΔE 24.8Indigo · ΔE 26.2Dark violet · ΔE 28.8
Nearest named CSS colourDark blue (#00008B)ΔE 14.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B59F03
Analogous#0372B5, #4603B5
Triadic#B50319, #19B503
Split complementary#B54603, #72B503
Tetradic#B50372, #B59F03, #03B546

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8796FD
Lighter +30%#556AFC
Lighter +20%#233DFB
Lighter +10%#0420E7
Darker −10%#021283
Darker −20%#010B51
Darker −30%#01041E
Darker −40%#000000
More saturated +25%#0017B8
Less saturated −25%#1A2A9E

Channel breakdown

R3
G25
B181
Red3 (1.2%)
Green25 (9.8%)
Blue181 (71%)
Hue232.58°
Saturation (HSL)96.74%
Lightness36.08%
Dominant channelBlue
Hex per channelR 03 · G 19 · B B5

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Every value on this page was computed from “0319b5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.