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Colour

#1E4683

  • #1E4683
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1E4683 is a blue with RGB values 30, 70, 131 and HSL 216°, 63%, 32%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1E4683#1E4683
HEX#1E4683
RGBrgb(30, 70, 131)
RGB (0–1)0.1176, 0.2745, 0.5137
RGB percentages11.8%, 27.5%, 51.4%
HSLhsl(216.2, 62.7%, 31.6%)
HSV / HSBhsv(216.2, 77.1%, 51.4%)
CMYK77.1%, 46.6%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,984,131
CSS custom property--colour: #1E4683;

Brightness & contrast

Relative luminance0.06295WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.3:1
Contrast with white9.3:1WCAG normal text: AAA
Contrast with black2.26:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#E1B97C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#274C85no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#114382no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#00545Eno blue cones; rare, and affects men and women equally; ΔE 37.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.3:1WCAG large text: AAA
Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.6Steel blue · ΔE 26.5Midnight blue · ΔE 29.2Cornflower blue · ΔE 33.6Rebecca purple · ΔE 35.2Royal blue · ΔE 36.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#835B1E
Analogous#1E7983, #281E83
Triadic#831E46, #46831E
Split complementary#83281E, #79831E
Tetradic#831E79, #835B1E, #1E8328

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#89ADE4
Lighter +30%#6090DA
Lighter +20%#3673D1
Lighter +10%#285CAC
Darker −10%#14305A
Darker −20%#0B1A30
Darker −30%#010307
Darker −40%#000000
More saturated +25%#0A4297
Less saturated −25%#324A6F

Channel breakdown

R30
G70
B131
Red30 (11.8%)
Green70 (27.5%)
Blue131 (51.4%)
Hue216.24°
Saturation (HSL)62.73%
Lightness31.57%
Dominant channelBlue
Hex per channelR 1E · G 46 · B 83

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Every value on this page was computed from “1e4683” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.