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Recognised as Colour

#2B3290

  • #2B3290
  • Blue
  • Dark
  • Nearest: Midnight blue

#2B3290 is a blue with RGB values 43, 50, 144 and HSL 236°, 54%, 37%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2B3290#2B3290
HEX#2B3290
RGBrgb(43, 50, 144)
RGB (0–1)0.1686, 0.1961, 0.5647
RGB percentages16.9%, 19.6%, 56.5%
HSLhsl(235.8, 54%, 36.7%)
HSV / HSBhsv(235.8, 70.1%, 56.5%)
CMYK70.1%, 65.3%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,830,992
CSS custom property--colour: #2B3290;

Brightness & contrast

Relative luminance0.04808WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.71:1
Contrast with white10.71:1WCAG normal text: AAA
Contrast with black1.96:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#D4CD6F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004393no red cones; affects about 1% of men; ΔE 15.2 from the original
Deuteranopia#00398Eno green cones; the most common form, about 1% of men; ΔE 9.5 from the original
Tritanopia#004A5Cno blue cones; rare, and affects men and women equally; ΔE 55.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.71:1WCAG large text: AAA
Contrast with black, large text1.96:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.1Dark slateblue · ΔE 12.2Rebecca purple · ΔE 16.1Slate blue · ΔE 20.9Indigo · ΔE 23Royal blue · ΔE 25.2
Nearest named CSS colourMidnight blue (#191970)ΔE 11.05, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#90892B
Analogous#2B6590, #562B90
Triadic#902B32, #32902B
Split complementary#90562B, #65902B
Tetradic#902B65, #90892B, #2B9056

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3A8E4
Lighter +30%#7C82D8
Lighter +20%#555DCC
Lighter +10%#3740B7
Darker −10%#1F2469
Darker −20%#141741
Darker −30%#08091A
Darker −40%#000000
More saturated +25%#141EA7
Less saturated −25%#424679

Channel breakdown

R43
G50
B144
Red43 (16.9%)
Green50 (19.6%)
Blue144 (56.5%)
Hue235.84°
Saturation (HSL)54.01%
Lightness36.67%
Dominant channelBlue
Hex per channelR 2B · G 32 · B 90

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Every value on this page was computed from “2b3290” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.