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Recognised as Colour

#2E4290

  • #2E4290
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2E4290 is a blue with RGB values 46, 66, 144 and HSL 228°, 52%, 37%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2E4290#2E4290
HEX#2E4290
RGBrgb(46, 66, 144)
RGB (0–1)0.1804, 0.2588, 0.5647
RGB percentages18%, 25.9%, 56.5%
HSLhsl(227.8, 51.6%, 37.3%)
HSV / HSBhsv(227.8, 68.1%, 56.5%)
CMYK68.1%, 54.2%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,031,696
CSS custom property--colour: #2E4290;

Brightness & contrast

Relative luminance0.06491WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.14:1
Contrast with white9.14:1WCAG normal text: AAA
Contrast with black2.3:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#D1BD6F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E4D93no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#00448Eno green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#005462no blue cones; rare, and affects men and women equally; ΔE 47.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.14:1WCAG large text: AAA
Contrast with black, large text2.3:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 7.7Midnight blue · ΔE 19.8Rebecca purple · ΔE 23.9Slate blue · ΔE 25.5Royal blue · ΔE 27.1Medium purple · ΔE 30.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 7.73, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#907C2E
Analogous#2E7390, #4B2E90
Triadic#902E42, #42902E
Split complementary#904B2E, #73902E
Tetradic#902E73, #907C2E, #2E904B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7B3E3
Lighter +30%#8092D7
Lighter +20%#5A71CA
Lighter +10%#3A54B7
Darker −10%#223069
Darker −20%#151F43
Darker −30%#090D1C
Darker −40%#000000
More saturated +25%#1634A8
Less saturated −25%#465078

Channel breakdown

R46
G66
B144
Red46 (18%)
Green66 (25.9%)
Blue144 (56.5%)
Hue227.76°
Saturation (HSL)51.58%
Lightness37.25%
Dominant channelBlue
Hex per channelR 2E · G 42 · B 90

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Every value on this page was computed from “2e4290” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.