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Recognised as Colour

#2B216D

  • #2B216D
  • Blue
  • Dark
  • Nearest: Midnight blue

#2B216D is a blue with RGB values 43, 33, 109 and HSL 248°, 54%, 28%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2B216D#2B216D
HEX#2B216D
RGBrgb(43, 33, 109)
RGB (0–1)0.1686, 0.1294, 0.4275
RGB percentages16.9%, 12.9%, 42.7%
HSLhsl(247.9, 53.5%, 27.8%)
HSV / HSBhsv(247.9, 69.7%, 42.7%)
CMYK60.6%, 69.7%, 0%, 57.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,826,605
CSS custom property--colour: #2B216D;

Brightness & contrast

Relative luminance0.02705WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.63:1
Contrast with white13.63:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#D4DE92

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00306Fno red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#002B6Cno green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#063444no blue cones; rare, and affects men and women equally; ΔE 46.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.63:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.3Dark slateblue · ΔE 12.2Rebecca purple · ΔE 20.9Indigo · ΔE 26Navy · ΔE 29.9Slate blue · ΔE 31.5
Nearest named CSS colourMidnight blue (#191970)ΔE 8.33, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#636D21
Analogous#213D6D, #51216D
Triadic#6D2B21, #216D2B
Split complementary#6D5121, #3D6D21
Tetradic#6D213D, #636D21, #216D51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8D81D9
Lighter +30%#695ACD
Lighter +20%#4A39BB
Lighter +10%#3A2D94
Darker −10%#1C1546
Darker −20%#0C091F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1E0F7F
Less saturated −25%#38335B

Channel breakdown

R43
G33
B109
Red43 (16.9%)
Green33 (12.9%)
Blue109 (42.7%)
Hue247.89°
Saturation (HSL)53.52%
Lightness27.84%
Dominant channelBlue
Hex per channelR 2B · G 21 · B 6D

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Every value on this page was computed from “2b216d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.