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Colour

#1E3863

  • #1E3863
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1E3863 is a blue with RGB values 30, 56, 99 and HSL 217°, 53%, 25%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1E3863#1E3863
HEX#1E3863
RGBrgb(30, 56, 99)
RGB (0–1)0.1176, 0.2196, 0.3882
RGB percentages11.8%, 22%, 38.8%
HSLhsl(217.4, 53.5%, 25.3%)
HSV / HSBhsv(217.4, 69.7%, 38.8%)
CMYK69.7%, 43.4%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,980,515
CSS custom property--colour: #1E3863;

Brightness & contrast

Relative luminance0.04005WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.66:1
Contrast with white11.66:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#E1C79C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#243C65no red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#1A3562no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#004248no blue cones; rare, and affects men and women equally; ΔE 29.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.66:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.5Steel blue · ΔE 30.6Dark slate grey · ΔE 31.1Midnight blue · ΔE 34.4Slate grey · ΔE 35.1Dim grey · ΔE 35.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#63491E
Analogous#1E5A63, #271E63
Triadic#631E38, #38631E
Split complementary#63271E, #5A631E
Tetradic#631E5A, #63491E, #1E6327

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#779BD6
Lighter +30%#507ECA
Lighter +20%#3664B1
Lighter +10%#2A4E8A
Darker −10%#12223C
Darker −20%#060C15
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0E3473
Less saturated −25%#2E3C53

Channel breakdown

R30
G56
B99
Red30 (11.8%)
Green56 (22%)
Blue99 (38.8%)
Hue217.39°
Saturation (HSL)53.49%
Lightness25.29%
Dominant channelBlue
Hex per channelR 1E · G 38 · B 63

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Every value on this page was computed from “1e3863” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.