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Recognised as Colour

#1E3471

  • #1E3471
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1E3471 is a blue with RGB values 30, 52, 113 and HSL 224°, 58%, 28%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1E3471#1E3471
HEX#1E3471
RGBrgb(30, 52, 113)
RGB (0–1)0.1176, 0.2039, 0.4431
RGB percentages11.8%, 20.4%, 44.3%
HSLhsl(224.1, 58%, 28%)
HSV / HSBhsv(224.1, 73.5%, 44.3%)
CMYK73.5%, 54%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,979,505
CSS custom property--colour: #1E3471;

Brightness & contrast

Relative luminance0.03924WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.77:1
Contrast with white11.77:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#E1CB8E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E3C73no red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#003470no green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#00434Dno blue cones; rare, and affects men and women equally; ΔE 39.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.77:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.6Midnight blue · ΔE 22.4Rebecca purple · ΔE 31.6Steel blue · ΔE 34.8Slate blue · ΔE 36.8Royal blue · ΔE 38.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.62, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#715B1E
Analogous#1E5D71, #321E71
Triadic#711E34, #34711E
Split complementary#71311E, #5E711E
Tetradic#711E5D, #715B1E, #1E7131

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7E97DD
Lighter +30%#5677D2
Lighter +20%#3359C2
Lighter +10%#294799
Darker −10%#132149
Darker −20%#090F20
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C2C83
Less saturated −25%#303C5F

Channel breakdown

R30
G52
B113
Red30 (11.8%)
Green52 (20.4%)
Blue113 (44.3%)
Hue224.1°
Saturation (HSL)58.04%
Lightness28.04%
Dominant channelBlue
Hex per channelR 1E · G 34 · B 71

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Every value on this page was computed from “1e3471” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.