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Recognised as Colour

#2F4093

  • #2F4093
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F4093 is a blue with RGB values 47, 64, 147 and HSL 230°, 52%, 38%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F4093#2F4093
HEX#2F4093
RGBrgb(47, 64, 147)
RGB (0–1)0.1843, 0.251, 0.5765
RGB percentages18.4%, 25.1%, 57.6%
HSLhsl(229.8, 51.5%, 38%)
HSV / HSBhsv(229.8, 68%, 57.6%)
CMYK68%, 56.5%, 0%, 42.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,096,723
CSS custom property--colour: #2F4093;

Brightness & contrast

Relative luminance0.06378WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.23:1
Contrast with white9.23:1WCAG normal text: AAA
Contrast with black2.28:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#D0BF6C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004C96no red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#004391no green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#005463no blue cones; rare, and affects men and women equally; ΔE 50.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.23:1WCAG large text: AAA
Contrast with black, large text2.28:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 7.2Midnight blue · ΔE 17.6Rebecca purple · ΔE 21.2Slate blue · ΔE 22.9Royal blue · ΔE 25.1Medium purple · ΔE 28.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 7.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#93822F
Analogous#2F7293, #502F93
Triadic#932F40, #40932F
Split complementary#93502F, #72932F
Tetradic#932F72, #93822F, #2F9350

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAB4E4
Lighter +30%#8392D8
Lighter +20%#5D70CB
Lighter +10%#3B51BA
Darker −10%#232F6C
Darker −20%#161E46
Darker −30%#0A0E1F
Darker −40%#000000
More saturated +25%#1730AB
Less saturated −25%#47507B

Channel breakdown

R47
G64
B147
Red47 (18.4%)
Green64 (25.1%)
Blue147 (57.6%)
Hue229.8°
Saturation (HSL)51.55%
Lightness38.04%
Dominant channelBlue
Hex per channelR 2F · G 40 · B 93

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Every value on this page was computed from “2f4093” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.