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Recognised as Colour

#2D28BD

  • #2D28BD
  • Blue
  • Dark
  • Nearest: Dark blue

#2D28BD is a blue with RGB values 45, 40, 189 and HSL 242°, 65%, 45%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2D28BD#2D28BD
HEX#2D28BD
RGBrgb(45, 40, 189)
RGB (0–1)0.1765, 0.1569, 0.7412
RGB percentages17.6%, 15.7%, 74.1%
HSLhsl(242, 65.1%, 44.9%)
HSV / HSBhsv(242, 78.8%, 74.1%)
CMYK76.2%, 78.8%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,959,549
CSS custom property--colour: #2D28BD;

Brightness & contrast

Relative luminance0.0575WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.77:1
Contrast with white9.77:1WCAG normal text: AAA
Contrast with black2.15:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#D2D742

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BC1no red cones; affects about 1% of men; ΔE 24.9 from the original
Deuteranopia#003CBAno green cones; the most common form, about 1% of men; ΔE 16.3 from the original
Tritanopia#005672no blue cones; rare, and affects men and women equally; ΔE 82.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.77:1WCAG large text: AAA
Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Dark blue · ΔE 15.7Navy · ΔE 19.6Medium blue · ΔE 23Blue violet · ΔE 23.3Indigo · ΔE 23.9Dark orchid · ΔE 25.7
Nearest named CSS colourDark blue (#00008B)ΔE 15.69, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B8BD28
Analogous#286EBD, #7728BD
Triadic#BD2D28, #28BD2D
Split complementary#BD7728, #6EBD28
Tetradic#BD286E, #B8BD28, #28BD77

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1BFF2
Lighter +30%#9895E9
Lighter +20%#6F6BE0
Lighter +10%#4641D7
Darker −10%#231F93
Darker −20%#191669
Darker −30%#0F0D3F
Darker −40%#050415
More saturated +25%#120BDA
Less saturated −25%#4845A0

Channel breakdown

R45
G40
B189
Red45 (17.6%)
Green40 (15.7%)
Blue189 (74.1%)
Hue242.01°
Saturation (HSL)65.07%
Lightness44.9%
Dominant channelBlue
Hex per channelR 2D · G 28 · B BD

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Every value on this page was computed from “2d28bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.