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Recognised as Colour

#1E4F9F

  • #1E4F9F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1E4F9F is a blue with RGB values 30, 79, 159 and HSL 217°, 68%, 37%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1E4F9F#1E4F9F
HEX#1E4F9F
RGBrgb(30, 79, 159)
RGB (0–1)0.1176, 0.3098, 0.6235
RGB percentages11.8%, 31%, 62.4%
HSLhsl(217.2, 68.3%, 37.1%)
HSV / HSBhsv(217.2, 81.1%, 62.4%)
CMYK81.1%, 50.3%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,986,463
CSS custom property--colour: #1E4F9F;

Brightness & contrast

Relative luminance0.08371WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.85:1
Contrast with white7.85:1WCAG normal text: AAA
Contrast with black2.67:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#E1B060

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E58A2no red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#004C9Dno green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#00626Fno blue cones; rare, and affects men and women equally; ΔE 47.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.85:1WCAG large text: AAA
Contrast with black, large text2.67:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14Royal blue · ΔE 24.8Midnight blue · ΔE 25.9Slate blue · ΔE 26.3Cornflower blue · ΔE 27.6Rebecca purple · ΔE 28.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F6E1E
Analogous#1E909F, #2D1E9F
Triadic#9F1E4F, #4F9F1E
Split complementary#9F2D1E, #909F1E
Tetradic#9F1E90, #9F6E1E, #1E9F2D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9DBBEC
Lighter +30%#729DE4
Lighter +20%#4780DC
Lighter +10%#2664CA
Darker −10%#163A74
Darker −20%#0E2449
Darker −30%#060F1E
Darker −40%#000000
More saturated +25%#0649B7
Less saturated −25%#365587

Channel breakdown

R30
G79
B159
Red30 (11.8%)
Green79 (31%)
Blue159 (62.4%)
Hue217.21°
Saturation (HSL)68.25%
Lightness37.06%
Dominant channelBlue
Hex per channelR 1E · G 4F · B 9F

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Every value on this page was computed from “1e4f9f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.