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Colour

#2D518D

  • #2D518D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2D518D is a blue with RGB values 45, 81, 141 and HSL 218°, 52%, 36%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2D518D#2D518D
HEX#2D518D
RGBrgb(45, 81, 141)
RGB (0–1)0.1765, 0.3176, 0.5529
RGB percentages17.6%, 31.8%, 55.3%
HSLhsl(217.5, 51.6%, 36.5%)
HSV / HSBhsv(217.5, 68.1%, 55.3%)
CMYK68.1%, 42.6%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,969,997
CSS custom property--colour: #2D518D;

Brightness & contrast

Relative luminance0.08366WCAG 2.x, 0 is black and 1 is white
Perceived brightness82 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.86:1
Contrast with white7.86:1WCAG normal text: AAA
Contrast with black2.67:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#D2AE72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#35568Fno red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#264E8Cno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#005F68no blue cones; rare, and affects men and women equally; ΔE 37.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.86:1WCAG large text: AAA
Contrast with black, large text2.67:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.3Steel blue · ΔE 21.9Cornflower blue · ΔE 29.8Midnight blue · ΔE 32.9Slate grey · ΔE 33.7Light slate grey · ΔE 35
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D692D
Analogous#2D818D, #392D8D
Triadic#8D2D51, #518D2D
Split complementary#8D392D, #818D2D
Tetradic#8D2D81, #8D692D, #2D8D39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4BBE2
Lighter +30%#7D9ED6
Lighter +20%#5782C9
Lighter +10%#3967B4
Darker −10%#213B66
Darker −20%#142540
Darker −30%#080E19
Darker −40%#000000
More saturated +25%#164BA4
Less saturated −25%#445776

Channel breakdown

R45
G81
B141
Red45 (17.6%)
Green81 (31.8%)
Blue141 (55.3%)
Hue217.5°
Saturation (HSL)51.61%
Lightness36.47%
Dominant channelBlue
Hex per channelR 2D · G 51 · B 8D

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Every value on this page was computed from “2d518d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.