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Recognised as Colour

#311FC2

  • #311FC2
  • Blue
  • Dark
  • Nearest: Medium blue

#311FC2 is a blue with RGB values 49, 31, 194 and HSL 247°, 72%, 44%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#311FC2#311FC2
HEX#311FC2
RGBrgb(49, 31, 194)
RGB (0–1)0.1922, 0.1216, 0.7608
RGB percentages19.2%, 12.2%, 76.1%
HSLhsl(246.6, 72.4%, 44.1%)
HSV / HSBhsv(246.6, 84%, 76.1%)
CMYK74.7%, 84%, 0%, 23.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,219,394
CSS custom property--colour: #311FC2;

Brightness & contrast

Relative luminance0.05528WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.97:1
Contrast with white9.97:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#CEE03D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004AC6no red cones; affects about 1% of men; ΔE 28.5 from the original
Deuteranopia#003BBFno green cones; the most common form, about 1% of men; ΔE 20 from the original
Tritanopia#005574no blue cones; rare, and affects men and women equally; ΔE 87.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.97:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Medium blue · ΔE 16.1Dark blue · ΔE 18.5Blue violet · ΔE 19.8Navy · ΔE 23.2Dark violet · ΔE 24.4Dark orchid · ΔE 26.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 16.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B0C21F
Analogous#1F5FC2, #831FC2
Triadic#C2311F, #1FC231
Split complementary#C2831F, #5FC21F
Tetradic#C21F5E, #B0C21F, #1FC282

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0B9F4
Lighter +30%#988DED
Lighter +20%#7061E6
Lighter +10%#4835DF
Darker −10%#261896
Darker −20%#1B116A
Darker −30%#100A3E
Darker −40%#050312
More saturated +25%#1B03DE
Less saturated −25%#473BA6

Channel breakdown

R49
G31
B194
Red49 (19.2%)
Green31 (12.2%)
Blue194 (76.1%)
Hue246.63°
Saturation (HSL)72.44%
Lightness44.12%
Dominant channelBlue
Hex per channelR 31 · G 1F · B C2

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Every value on this page was computed from “311fc2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.