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Colour

#1E4189

  • #1E4189
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1E4189 is a blue with RGB values 30, 65, 137 and HSL 220°, 64%, 33%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1E4189#1E4189
HEX#1E4189
RGBrgb(30, 65, 137)
RGB (0–1)0.1176, 0.2549, 0.5373
RGB percentages11.8%, 25.5%, 53.7%
HSLhsl(220.4, 64.1%, 32.7%)
HSV / HSBhsv(220.4, 78.1%, 53.7%)
CMYK78.1%, 52.6%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,982,857
CSS custom property--colour: #1E4189;

Brightness & contrast

Relative luminance0.05863WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.67:1
Contrast with white9.67:1WCAG normal text: AAA
Contrast with black2.17:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#E1BE76

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#134A8Cno red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#004088no green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#00525Eno blue cones; rare, and affects men and women equally; ΔE 44 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.67:1WCAG large text: AAA
Contrast with black, large text2.17:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.6Midnight blue · ΔE 22.3Rebecca purple · ΔE 28.6Slate blue · ΔE 30.2Royal blue · ΔE 30.7Steel blue · ΔE 32.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#89661E
Analogous#1E7689, #311E89
Triadic#891E41, #41891E
Split complementary#89311E, #76891E
Tetradic#891E76, #89661E, #1E8931

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DAAE6
Lighter +30%#638BDD
Lighter +20%#396CD4
Lighter +10%#2755B3
Darker −10%#152D5F
Darker −20%#0C1935
Darker −30%#03050B
Darker −40%#000000
More saturated +25%#093A9E
Less saturated −25%#334874

Channel breakdown

R30
G65
B137
Red30 (11.8%)
Green65 (25.5%)
Blue137 (53.7%)
Hue220.37°
Saturation (HSL)64.07%
Lightness32.75%
Dominant channelBlue
Hex per channelR 1E · G 41 · B 89

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Every value on this page was computed from “1e4189” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.