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Recognised as Colour

#2B2D43

  • #2B2D43
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2B2D43 is a blue with RGB values 43, 45, 67 and HSL 235°, 22%, 22%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B2D43#2B2D43
HEX#2B2D43
RGBrgb(43, 45, 67)
RGB (0–1)0.1686, 0.1765, 0.2627
RGB percentages16.9%, 17.6%, 26.3%
HSLhsl(235, 21.8%, 21.6%)
HSV / HSBhsv(235, 35.8%, 26.3%)
CMYK35.8%, 32.8%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,829,635
CSS custom property--colour: #2B2D43;

Brightness & contrast

Relative luminance0.02796WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.47:1
Contrast with white13.47:1WCAG normal text: AAA
Contrast with black1.56:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#D4D2BC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#262F44no red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#252E42no green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#253135no blue cones; rare, and affects men and women equally; ΔE 13.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.47:1WCAG large text: AAA
Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.3Black · ΔE 24.4Dim grey · ΔE 29.4Slate grey · ΔE 34.6Dark slateblue · ΔE 36.7Gray · ΔE 37.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#43412B
Analogous#2B3943, #352B43
Triadic#432B2D, #2D432B
Split complementary#43352B, #39432B
Tetradic#432B39, #43412B, #2B4335

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#888BB2
Lighter +30%#696D9E
Lighter +20%#535781
Lighter +10%#3F4262
Darker −10%#171824
Darker −20%#030305
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D2251
Less saturated −25%#373737

Channel breakdown

R43
G45
B67
Red43 (16.9%)
Green45 (17.6%)
Blue67 (26.3%)
Hue235°
Saturation (HSL)21.82%
Lightness21.57%
Dominant channelBlue
Hex per channelR 2B · G 2D · B 43

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Every value on this page was computed from “2b2d43” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.