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Recognised as Colour

#2B2F48

  • #2B2F48
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2B2F48 is a blue with RGB values 43, 47, 72 and HSL 232°, 25%, 23%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B2F48#2B2F48
HEX#2B2F48
RGBrgb(43, 47, 72)
RGB (0–1)0.1686, 0.1843, 0.2824
RGB percentages16.9%, 18.4%, 28.2%
HSLhsl(231.7, 25.2%, 22.5%)
HSV / HSBhsv(231.7, 40.3%, 28.2%)
CMYK40.3%, 34.7%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,830,152
CSS custom property--colour: #2B2F48;

Brightness & contrast

Relative luminance0.03015WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.1:1
Contrast with white13.1:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#D4D0B7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#273249no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#252F47no green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#233438no blue cones; rare, and affects men and women equally; ΔE 16 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.1:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 24Black · ΔE 26.3Dim grey · ΔE 29.7Slate grey · ΔE 34.1Dark slateblue · ΔE 34.8Light slate grey · ΔE 37
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#48442B
Analogous#2B3D48, #362B48
Triadic#482B2F, #2F482B
Split complementary#48362B, #3D482B
Tetradic#482B3D, #48442B, #2B4836

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#878EB8
Lighter +30%#6770A5
Lighter +20%#515988
Lighter +10%#3E4468
Darker −10%#181A28
Darker −20%#050508
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D2556
Less saturated −25%#39393A

Channel breakdown

R43
G47
B72
Red43 (16.9%)
Green47 (18.4%)
Blue72 (28.2%)
Hue231.72°
Saturation (HSL)25.22%
Lightness22.55%
Dominant channelBlue
Hex per channelR 2B · G 2F · B 48

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Every value on this page was computed from “2b2f48” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.