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Recognised as Colour

#2B445A

  • #2B445A
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2B445A is a blue with RGB values 43, 68, 90 and HSL 208°, 35%, 26%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B445A#2B445A
HEX#2B445A
RGBrgb(43, 68, 90)
RGB (0–1)0.1686, 0.2667, 0.3529
RGB percentages16.9%, 26.7%, 35.3%
HSLhsl(208.1, 35.3%, 26.1%)
HSV / HSBhsv(208.1, 52.2%, 35.3%)
CMYK52.2%, 24.4%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,835,546
CSS custom property--colour: #2B445A;

Brightness & contrast

Relative luminance0.05386WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.11:1
Contrast with white10.11:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#D4BBA5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B445Bno red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#35405Ano green cones; the most common form, about 1% of men; ΔE 5.7 from the original
Tritanopia#15494Bno blue cones; rare, and affects men and women equally; ΔE 16.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.11:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.7Dim grey · ΔE 23.2Slate grey · ΔE 25.6Light slate grey · ΔE 28.5Steel blue · ΔE 29.5Gray · ΔE 30.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A412B
Analogous#2B5A58, #2B2D5A
Triadic#5A2B44, #445A2B
Split complementary#5A2B2D, #5A592B
Tetradic#582B5A, #5A412B, #2D5A2B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8AAAC7
Lighter +30%#6792B7
Lighter +20%#4C789F
Lighter +10%#3B5E7D
Darker −10%#1B2A37
Darker −20%#0A1015
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1A456B
Less saturated −25%#3C4349

Channel breakdown

R43
G68
B90
Red43 (16.9%)
Green68 (26.7%)
Blue90 (35.3%)
Hue208.09°
Saturation (HSL)35.34%
Lightness26.08%
Dominant channelBlue
Hex per channelR 2B · G 44 · B 5A

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Every value on this page was computed from “2b445a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.