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Recognised as Colour

#2B72E8

  • #2B72E8
  • Blue
  • Dark
  • Nearest: Royal blue

#2B72E8 is a blue with RGB values 43, 114, 232 and HSL 217°, 80%, 54%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2B72E8#2B72E8
HEX#2B72E8
RGBrgb(43, 114, 232)
RGB (0–1)0.1686, 0.4471, 0.9098
RGB percentages16.9%, 44.7%, 91%
HSLhsl(217.5, 80.4%, 53.9%)
HSV / HSBhsv(217.5, 81.5%, 91%)
CMYK81.5%, 50.9%, 0%, 9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,847,464
CSS custom property--colour: #2B72E8;

Brightness & contrast

Relative luminance0.18374WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.67:1
Contrast with white4.49:1WCAG normal text: Fail
Contrast with black4.67:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#D48D17

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2180ECno red cones; affects about 1% of men; ΔE 9.8 from the original
Deuteranopia#006FE6no green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#008FA2no blue cones; rare, and affects men and women equally; ΔE 65.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.49:1WCAG large text: AA
Contrast with black, large text4.67:1WCAG large text: AAA

Named colours

Royal blue · ΔE 5.9Dodgerblue · ΔE 14.5Slate blue · ΔE 17.9Medium slateblue · ΔE 20.4Medium purple · ΔE 23Cornflower blue · ΔE 23.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 5.92, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E8A12B
Analogous#2BD0E8, #422BE8
Triadic#E82B72, #72E82B
Split complementary#E8432B, #D1E82B
Tetradic#E82BD1, #E8A12B, #2BE843

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E3ECFC
Lighter +30%#B5CEF7
Lighter +20%#87AFF2
Lighter +10%#5991ED
Darker −10%#165ACA
Darker −20%#11459C
Darker −30%#0C316E
Darker −40%#071C40
More saturated +25%#146CFF
Less saturated −25%#4879CB

Channel breakdown

R43
G114
B232
Red43 (16.9%)
Green114 (44.7%)
Blue232 (91%)
Hue217.46°
Saturation (HSL)80.43%
Lightness53.92%
Dominant channelBlue
Hex per channelR 2B · G 72 · B E8

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Every value on this page was computed from “2b72e8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.