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Recognised as Colour

#2E4657

  • #2E4657
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2E4657 is a blue with RGB values 46, 70, 87 and HSL 205°, 31%, 26%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2E4657#2E4657
HEX#2E4657
RGBrgb(46, 70, 87)
RGB (0–1)0.1804, 0.2745, 0.3412
RGB percentages18%, 27.5%, 34.1%
HSLhsl(204.9, 30.8%, 26.1%)
HSV / HSBhsv(204.9, 47.1%, 34.1%)
CMYK47.1%, 19.5%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,032,663
CSS custom property--colour: #2E4657;

Brightness & contrast

Relative luminance0.05649WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.86:1
Contrast with white9.86:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#D1B9A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F4658no red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#394157no green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#1D4A4Cno blue cones; rare, and affects men and women equally; ΔE 12.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.86:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.4Dim grey · ΔE 20.9Slate grey · ΔE 24.5Light slate grey · ΔE 27.5Gray · ΔE 28.5Steel blue · ΔE 30.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#573F2E
Analogous#2E5754, #2E3257
Triadic#572E46, #46572E
Split complementary#572E31, #57542E
Tetradic#542E57, #573F2E, #32572E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EADC3
Lighter +30%#6C95B2
Lighter +20%#517C9A
Lighter +10%#406178
Darker −10%#1C2B36
Darker −20%#0B1014
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D4968
Less saturated −25%#3F4346

Channel breakdown

R46
G70
B87
Red46 (18%)
Green70 (27.5%)
Blue87 (34.1%)
Hue204.88°
Saturation (HSL)30.83%
Lightness26.08%
Dominant channelBlue
Hex per channelR 2E · G 46 · B 57

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Every value on this page was computed from “2e4657” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.