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Recognised as Colour

#2D65B8

  • #2D65B8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2D65B8 is a blue with RGB values 45, 101, 184 and HSL 216°, 61%, 45%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2D65B8#2D65B8
HEX#2D65B8
RGBrgb(45, 101, 184)
RGB (0–1)0.1765, 0.3961, 0.7216
RGB percentages17.6%, 39.6%, 72.2%
HSLhsl(215.8, 60.7%, 44.9%)
HSV / HSBhsv(215.8, 75.5%, 72.2%)
CMYK75.5%, 45.1%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,975,160
CSS custom property--colour: #2D65B8;

Brightness & contrast

Relative luminance0.13326WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.73:1
Contrast with white5.73:1WCAG normal text: AA
Contrast with black3.67:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#D29A47

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A6DBBno red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#1D60B6no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#007985no blue cones; rare, and affects men and women equally; ΔE 49 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.73:1WCAG large text: AAA
Contrast with black, large text3.67:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 18.8Dark slateblue · ΔE 20.7Dodgerblue · ΔE 21.5Royal blue · ΔE 22.6Steel blue · ΔE 24.5Slate blue · ΔE 26.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 18.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B8802D
Analogous#2DAAB8, #3A2DB8
Triadic#B82D65, #65B82D
Split complementary#B83B2D, #ABB82D
Tetradic#B82DAB, #B8802D, #2DB83B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1D4F0
Lighter +30%#98B7E6
Lighter +20%#6F9BDC
Lighter +10%#467ED2
Darker −10%#234F8F
Darker −20%#193866
Darker −30%#0F223D
Darker −40%#050B14
More saturated +25%#105FD5
Less saturated −25%#4A6B9B

Channel breakdown

R45
G101
B184
Red45 (17.6%)
Green101 (39.6%)
Blue184 (72.2%)
Hue215.83°
Saturation (HSL)60.7%
Lightness44.9%
Dominant channelBlue
Hex per channelR 2D · G 65 · B B8

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Every value on this page was computed from “2d65b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.