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Recognised as Colour

#2A56D5

  • #2A56D5
  • Blue
  • Dark
  • Nearest: Royal blue

#2A56D5 is a blue with RGB values 42, 86, 213 and HSL 225°, 67%, 50%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2A56D5#2A56D5
HEX#2A56D5
RGBrgb(42, 86, 213)
RGB (0–1)0.1647, 0.3373, 0.8353
RGB percentages16.5%, 33.7%, 83.5%
HSLhsl(224.6, 67.1%, 50%)
HSV / HSBhsv(224.6, 80.3%, 83.5%)
CMYK80.3%, 59.6%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,774,741
CSS custom property--colour: #2A56D5;

Brightness & contrast

Relative luminance0.11952WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.19:1
Contrast with white6.19:1WCAG normal text: AA
Contrast with black3.39:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#D5A92A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0069D9no red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#0059D3no green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#00778Dno blue cones; rare, and affects men and women equally; ΔE 71.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.19:1WCAG large text: AAA
Contrast with black, large text3.39:1WCAG large text: AA

Named colours

Royal blue · ΔE 9.4Slate blue · ΔE 13.2Medium slateblue · ΔE 15.2Medium purple · ΔE 24.3Rebecca purple · ΔE 26.3Dodgerblue · ΔE 28.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.41, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D5A92A
Analogous#2AABD5, #542AD5
Triadic#D52A56, #56D52A
Split complementary#D5542A, #ABD52A
Tetradic#D52AAB, #D5A92A, #2AD554

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4DDF7
Lighter +30%#AABBEE
Lighter +20%#7F9AE6
Lighter +10%#5578DD
Darker −10%#2245AA
Darker −20%#193480
Darker −30%#112255
Darker −40%#08112B
More saturated +25%#0A47F5
Less saturated −25%#4A65B5

Channel breakdown

R42
G86
B213
Red42 (16.5%)
Green86 (33.7%)
Blue213 (83.5%)
Hue224.56°
Saturation (HSL)67.06%
Lightness50%
Dominant channelBlue
Hex per channelR 2A · G 56 · B D5

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Every value on this page was computed from “2a56d5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.