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Recognised as Colour

#0305B7

  • #0305B7
  • Blue
  • Dark
  • Nearest: Medium blue

#0305B7 is a blue with RGB values 3, 5, 183 and HSL 239°, 97%, 36%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0305B7#0305B7
HEX#0305B7
RGBrgb(3, 5, 183)
RGB (0–1)0.0118, 0.0196, 0.7176
RGB percentages1.2%, 2%, 71.8%
HSLhsl(239.3, 96.8%, 36.5%)
HSV / HSBhsv(239.3, 98.4%, 71.8%)
CMYK98.4%, 97.3%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer198,071
CSS custom property--colour: #0305B7;

Brightness & contrast

Relative luminance0.03547WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.29:1
Contrast with white12.29:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#FCFA48

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003EBBno red cones; affects about 1% of men; ΔE 30.7 from the original
Deuteranopia#002BB4no green cones; the most common form, about 1% of men; ΔE 19.5 from the original
Tritanopia#004B6Ano blue cones; rare, and affects men and women equally; ΔE 91 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.29:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.9Dark blue · ΔE 19.2Blue violet · ΔE 23.7Navy · ΔE 24.5Dark violet · ΔE 26.9Indigo · ΔE 31.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 10.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B7B503
Analogous#035FB7, #5B03B7
Triadic#B70305, #05B703
Split complementary#B75B03, #5FB703
Tetradic#B7035F, #B7B503, #03B75B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#898AFD
Lighter +30%#5759FC
Lighter +20%#2527FB
Lighter +10%#0406E9
Darker −10%#020485
Darker −20%#010253
Darker −30%#010120
Darker −40%#000000
More saturated +25%#0002BA
Less saturated −25%#1A1CA0

Channel breakdown

R3
G5
B183
Red3 (1.2%)
Green5 (2%)
Blue183 (71.8%)
Hue239.33°
Saturation (HSL)96.77%
Lightness36.47%
Dominant channelBlue
Hex per channelR 03 · G 05 · B B7

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Every value on this page was computed from “0305b7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.