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Recognised as Colour

#1E339D

  • #1E339D
  • Blue
  • Dark
  • Nearest: Midnight blue

#1E339D is a blue with RGB values 30, 51, 157 and HSL 230°, 68%, 37%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1E339D#1E339D
HEX#1E339D
RGBrgb(30, 51, 157)
RGB (0–1)0.1176, 0.2, 0.6157
RGB percentages11.8%, 20%, 61.6%
HSLhsl(230.1, 67.9%, 36.7%)
HSV / HSBhsv(230.1, 80.9%, 61.6%)
CMYK80.9%, 67.5%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,979,293
CSS custom property--colour: #1E339D;

Brightness & contrast

Relative luminance0.05078WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.42:1
Contrast with white10.42:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#E1CC62

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0046A0no red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#003A9Bno green cones; the most common form, about 1% of men; ΔE 7.8 from the original
Tritanopia#005063no blue cones; rare, and affects men and women equally; ΔE 62.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.42:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14.9Rebecca purple · ΔE 17.4Slate blue · ΔE 18.9Dark slateblue · ΔE 18.9Navy · ΔE 21.4Indigo · ΔE 21.5
Nearest named CSS colourMidnight blue (#191970)ΔE 14.93, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9D881E
Analogous#1E739D, #481E9D
Triadic#9D1E33, #339D1E
Split complementary#9D481E, #739D1E
Tetradic#9D1E73, #9D881E, #1E9D49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BA8EC
Lighter +30%#7083E4
Lighter +20%#455EDC
Lighter +10%#2641C8
Darker −10%#162572
Darker −20%#0E1747
Darker −30%#05091D
Darker −40%#000000
More saturated +25%#0723B4
Less saturated −25%#354386

Channel breakdown

R30
G51
B157
Red30 (11.8%)
Green51 (20%)
Blue157 (61.6%)
Hue230.08°
Saturation (HSL)67.91%
Lightness36.67%
Dominant channelBlue
Hex per channelR 1E · G 33 · B 9D

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Every value on this page was computed from “1e339d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.