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Recognised as Colour

#2E477F

  • #2E477F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2E477F is a blue with RGB values 46, 71, 127 and HSL 221°, 47%, 34%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2E477F#2E477F
HEX#2E477F
RGBrgb(46, 71, 127)
RGB (0–1)0.1804, 0.2784, 0.498
RGB percentages18%, 27.8%, 49.8%
HSLhsl(221.5, 46.8%, 33.9%)
HSV / HSBhsv(221.5, 63.8%, 49.8%)
CMYK63.8%, 44.1%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,032,959
CSS custom property--colour: #2E477F;

Brightness & contrast

Relative luminance0.0662WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.04:1
Contrast with white9.04:1WCAG normal text: AAA
Contrast with black2.32:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#D1B880

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E4D81no red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#22457Eno green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#00545Cno blue cones; rare, and affects men and women equally; ΔE 36.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.04:1WCAG large text: AAA
Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.3Steel blue · ΔE 25.5Midnight blue · ΔE 30.8Cornflower blue · ΔE 34.3Slate grey · ΔE 34.5Rebecca purple · ΔE 35.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F662E
Analogous#2E6F7F, #3E2E7F
Triadic#7F2E47, #477F2E
Split complementary#7F3D2E, #707F2E
Tetradic#7F2E6F, #7F662E, #2E7F3E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9DB1DC
Lighter +30%#7893CE
Lighter +20%#5274C1
Lighter +10%#3C5CA4
Darker −10%#20325A
Darker −20%#131D34
Darker −30%#05080F
Darker −40%#000000
More saturated +25%#183F95
Less saturated −25%#444F69

Channel breakdown

R46
G71
B127
Red46 (18%)
Green71 (27.8%)
Blue127 (49.8%)
Hue221.48°
Saturation (HSL)46.82%
Lightness33.92%
Dominant channelBlue
Hex per channelR 2E · G 47 · B 7F

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Every value on this page was computed from “2e477f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.