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Recognised as Colour

#2E3151

  • #2E3151
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2E3151 is a blue with RGB values 46, 49, 81 and HSL 235°, 28%, 25%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2E3151#2E3151
HEX#2E3151
RGBrgb(46, 49, 81)
RGB (0–1)0.1804, 0.1922, 0.3176
RGB percentages18%, 19.2%, 31.8%
HSLhsl(234.9, 27.6%, 24.9%)
HSV / HSBhsv(234.9, 43.2%, 31.8%)
CMYK43.2%, 39.5%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,027,281
CSS custom property--colour: #2E3151;

Brightness & contrast

Relative luminance0.03372WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.54:1
Contrast with white12.54:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#D1CEAE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#263552no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#243250no green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#24373Dno blue cones; rare, and affects men and women equally; ΔE 19.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.54:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 27.4Dark slateblue · ΔE 30Black · ΔE 30.4Dim grey · ΔE 31.5Slate grey · ΔE 34.3Steel blue · ΔE 35.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 27.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#514E2E
Analogous#2E4251, #3D2E51
Triadic#512E31, #31512E
Split complementary#513D2E, #42512E
Tetradic#512E42, #514E2E, #2E513D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8D91BE
Lighter +30%#6C72AC
Lighter +20%#535892
Lighter +10%#404572
Darker −10%#1C1D30
Darker −20%#090A10
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1E2461
Less saturated −25%#3E3E41

Channel breakdown

R46
G49
B81
Red46 (18%)
Green49 (19.2%)
Blue81 (31.8%)
Hue234.86°
Saturation (HSL)27.56%
Lightness24.9%
Dominant channelBlue
Hex per channelR 2E · G 31 · B 51

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Every value on this page was computed from “2e3151” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.