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Recognised as Colour

#2F2970

  • #2F2970
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F2970 is a blue with RGB values 47, 41, 112 and HSL 245°, 46%, 30%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F2970#2F2970
HEX#2F2970
RGBrgb(47, 41, 112)
RGB (0–1)0.1843, 0.1608, 0.4392
RGB percentages18.4%, 16.1%, 43.9%
HSLhsl(245.1, 46.4%, 30%)
HSV / HSBhsv(245.1, 63.4%, 43.9%)
CMYK58%, 63.4%, 0%, 56.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,090,800
CSS custom property--colour: #2F2970;

Brightness & contrast

Relative luminance0.0336WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.56:1
Contrast with white12.56:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#D0D68F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003672no red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#00316Fno green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#103A48no blue cones; rare, and affects men and women equally; ΔE 43.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.56:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 9.7Midnight blue · ΔE 12.9Rebecca purple · ΔE 22.6Indigo · ΔE 30Slate blue · ΔE 31.7Navy · ΔE 34.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.66, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A7029
Analogous#294770, #522970
Triadic#702F29, #29702F
Split complementary#705229, #477029
Tetradic#702947, #6A7029, #297052

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#958FD6
Lighter +30%#726AC8
Lighter +20%#4E44BB
Lighter +10%#3F3795
Darker −10%#1F1B4B
Darker −20%#100E25
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1F1683
Less saturated −25%#3F3C5D

Channel breakdown

R47
G41
B112
Red47 (18.4%)
Green41 (16.1%)
Blue112 (43.9%)
Hue245.07°
Saturation (HSL)46.41%
Lightness30%
Dominant channelBlue
Hex per channelR 2F · G 29 · B 70

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Every value on this page was computed from “2f2970” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.