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Recognised as Colour

#2A6CDD

  • #2A6CDD
  • Blue
  • Dark
  • Nearest: Royal blue

#2A6CDD is a blue with RGB values 42, 108, 221 and HSL 218°, 72%, 52%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2A6CDD#2A6CDD
HEX#2A6CDD
RGBrgb(42, 108, 221)
RGB (0–1)0.1647, 0.4235, 0.8667
RGB percentages16.5%, 42.4%, 86.7%
HSLhsl(217.9, 72.5%, 51.6%)
HSV / HSBhsv(217.9, 81%, 86.7%)
CMYK81%, 51.1%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,780,381
CSS custom property--colour: #2A6CDD;

Brightness & contrast

Relative luminance0.16438WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.9:1
Contrast with white4.9:1WCAG normal text: AA
Contrast with black4.29:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#D59322

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E79E1no red cones; affects about 1% of men; ΔE 9.1 from the original
Deuteranopia#0069DBno green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#00889Ano blue cones; rare, and affects men and women equally; ΔE 63.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.9:1WCAG large text: AAA
Contrast with black, large text4.29:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.2Dodgerblue · ΔE 15.7Slate blue · ΔE 16.9Medium slateblue · ΔE 21.3Medium purple · ΔE 22.5Cornflower blue · ΔE 23
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD9B2A
Analogous#2AC5DD, #422ADD
Triadic#DD2A6C, #6CDD2A
Split complementary#DD422A, #C5DD2A
Tetradic#DD2AC5, #DD9B2A, #2ADD42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAE5F9
Lighter +30%#AEC7F2
Lighter +20%#82A9EB
Lighter +10%#568AE4
Darker −10%#1D56B7
Darker −20%#16418B
Darker −30%#0F2D5F
Darker −40%#081833
More saturated +25%#0B64FC
Less saturated −25%#4974BE

Channel breakdown

R42
G108
B221
Red42 (16.5%)
Green108 (42.4%)
Blue221 (86.7%)
Hue217.88°
Saturation (HSL)72.47%
Lightness51.57%
Dominant channelBlue
Hex per channelR 2A · G 6C · B DD

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Every value on this page was computed from “2a6cdd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.