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Recognised as Colour

#1E3E7B

  • #1E3E7B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1E3E7B is a blue with RGB values 30, 62, 123 and HSL 219°, 61%, 30%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1E3E7B#1E3E7B
HEX#1E3E7B
RGBrgb(30, 62, 123)
RGB (0–1)0.1176, 0.2431, 0.4824
RGB percentages11.8%, 24.3%, 48.2%
HSLhsl(219.4, 60.8%, 30%)
HSV / HSBhsv(219.4, 75.6%, 48.2%)
CMYK75.6%, 49.6%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,982,075
CSS custom property--colour: #1E3E7B;

Brightness & contrast

Relative luminance0.05151WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.34:1
Contrast with white10.34:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#E1C184

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D457Dno red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#043C7Ano green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#004C56no blue cones; rare, and affects men and women equally; ΔE 38.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.34:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.8Midnight blue · ΔE 26.1Steel blue · ΔE 30.1Rebecca purple · ΔE 33.5Slate blue · ΔE 36.5Cornflower blue · ΔE 36.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B5B1E
Analogous#1E6C7B, #2D1E7B
Triadic#7B1E3E, #3E7B1E
Split complementary#7B2D1E, #6C7B1E
Tetradic#7B1E6C, #7B5B1E, #1E7B2D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#84A4E1
Lighter +30%#5B86D7
Lighter +20%#3267CD
Lighter +10%#2853A4
Darker −10%#142952
Darker −20%#0A1529
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B388E
Less saturated −25%#314468

Channel breakdown

R30
G62
B123
Red30 (11.8%)
Green62 (24.3%)
Blue123 (48.2%)
Hue219.35°
Saturation (HSL)60.78%
Lightness30%
Dominant channelBlue
Hex per channelR 1E · G 3E · B 7B

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Every value on this page was computed from “1e3e7b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.