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Colour

#2F5DB6

  • #2F5DB6
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F5DB6 is a blue with RGB values 47, 93, 182 and HSL 220°, 59%, 45%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F5DB6#2F5DB6
HEX#2F5DB6
RGBrgb(47, 93, 182)
RGB (0–1)0.1843, 0.3647, 0.7137
RGB percentages18.4%, 36.5%, 71.4%
HSLhsl(219.6, 59%, 44.9%)
HSV / HSBhsv(219.6, 74.2%, 71.4%)
CMYK74.2%, 48.9%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,104,182
CSS custom property--colour: #2F5DB6;

Brightness & contrast

Relative luminance0.1181WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.25:1
Contrast with white6.25:1WCAG normal text: AA
Contrast with black3.36:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#D0A249

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B67B9no red cones; affects about 1% of men; ΔE 7.1 from the original
Deuteranopia#005BB4no green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#007281no blue cones; rare, and affects men and women equally; ΔE 51.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.25:1WCAG large text: AAA
Contrast with black, large text3.36:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17.4Royal blue · ΔE 18.5Slate blue · ΔE 21.6Cornflower blue · ΔE 22.1Dodgerblue · ΔE 22.6Medium purple · ΔE 25.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B6882F
Analogous#2FA1B6, #442FB6
Triadic#B62F5D, #5DB62F
Split complementary#B6442F, #A1B62F
Tetradic#B62FA1, #B6882F, #2FB644

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2D1EF
Lighter +30%#99B3E5
Lighter +20%#7195DA
Lighter +10%#4876D0
Darker −10%#25488D
Darker −20%#1A3465
Darker −30%#101F3C
Darker −40%#050A14
More saturated +25%#1254D3
Less saturated −25%#4C6699

Channel breakdown

R47
G93
B182
Red47 (18.4%)
Green93 (36.5%)
Blue182 (71.4%)
Hue219.56°
Saturation (HSL)58.95%
Lightness44.9%
Dominant channelBlue
Hex per channelR 2F · G 5D · B B6

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Every value on this page was computed from “2f5db6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.