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Colour

#2B3449

  • #2B3449
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2B3449 is a blue with RGB values 43, 52, 73 and HSL 222°, 26%, 23%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B3449#2B3449
HEX#2B3449
RGBrgb(43, 52, 73)
RGB (0–1)0.1686, 0.2039, 0.2863
RGB percentages16.9%, 20.4%, 28.6%
HSLhsl(222, 25.9%, 22.7%)
HSV / HSBhsv(222, 41.1%, 28.6%)
CMYK41.1%, 28.8%, 0%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,831,433
CSS custom property--colour: #2B3449;

Brightness & contrast

Relative luminance0.03451WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.43:1
Contrast with white12.43:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#D4CBB6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D364Ano red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#2A3349no green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#22383Bno blue cones; rare, and affects men and women equally; ΔE 13.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.43:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20Black · ΔE 26.1Dim grey · ΔE 26.8Slate grey · ΔE 31.6Light slate grey · ΔE 34.6Gray · ΔE 34.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#49402B
Analogous#2B4349, #312B49
Triadic#492B34, #34492B
Split complementary#49312B, #43492B
Tetradic#492B43, #49402B, #2B4931

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8796B9
Lighter +30%#677AA6
Lighter +20%#516289
Lighter +10%#3E4B69
Darker −10%#181D29
Darker −20%#050609
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D2E58
Less saturated −25%#3A3A3B

Channel breakdown

R43
G52
B73
Red43 (16.9%)
Green52 (20.4%)
Blue73 (28.6%)
Hue222°
Saturation (HSL)25.86%
Lightness22.75%
Dominant channelBlue
Hex per channelR 2B · G 34 · B 49

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Every value on this page was computed from “2b3449” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.