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Recognised as Colour

#2E3580

  • #2E3580
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2E3580 is a blue with RGB values 46, 53, 128 and HSL 235°, 47%, 34%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2E3580#2E3580
HEX#2E3580
RGBrgb(46, 53, 128)
RGB (0–1)0.1804, 0.2078, 0.502
RGB percentages18%, 20.8%, 50.2%
HSLhsl(234.9, 47.1%, 34.1%)
HSV / HSBhsv(234.9, 64.1%, 50.2%)
CMYK64.1%, 58.6%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,028,352
CSS custom property--colour: #2E3580;

Brightness & contrast

Relative luminance0.04686WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.84:1
Contrast with white10.84:1WCAG normal text: AAA
Contrast with black1.94:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#D1CA7F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004183no red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#003A7Eno green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#004755no blue cones; rare, and affects men and women equally; ΔE 46.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.84:1WCAG large text: AAA
Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 6.6Midnight blue · ΔE 15.2Rebecca purple · ΔE 22.3Slate blue · ΔE 28Royal blue · ΔE 31.3Indigo · ΔE 31.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 6.56, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#80792E
Analogous#2E5E80, #502E80
Triadic#802E35, #35802E
Split complementary#80502E, #5E802E
Tetradic#802E5E, #80792E, #2E8050

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EA3DC
Lighter +30%#7880CF
Lighter +20%#535CC1
Lighter +10%#3B45A6
Darker −10%#21255A
Darker −20%#131635
Darker −30%#06060F
Darker −40%#000000
More saturated +25%#182396
Less saturated −25%#44476A

Channel breakdown

R46
G53
B128
Red46 (18%)
Green53 (20.8%)
Blue128 (50.2%)
Hue234.88°
Saturation (HSL)47.13%
Lightness34.12%
Dominant channelBlue
Hex per channelR 2E · G 35 · B 80

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Every value on this page was computed from “2e3580” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.