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Colour

#2F2859

  • #2F2859
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F2859 is a blue with RGB values 47, 40, 89 and HSL 249°, 38%, 25%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F2859#2F2859
HEX#2F2859
RGBrgb(47, 40, 89)
RGB (0–1)0.1843, 0.1569, 0.349
RGB percentages18.4%, 15.7%, 34.9%
HSLhsl(248.6, 38%, 25.3%)
HSV / HSBhsv(248.6, 55.1%, 34.9%)
CMYK47.2%, 55.1%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,090,521
CSS custom property--colour: #2F2859;

Brightness & contrast

Relative luminance0.02843WCAG 2.x, 0 is black and 1 is white
Perceived brightness50 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.39:1
Contrast with white13.39:1WCAG normal text: AAA
Contrast with black1.57:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#D0D7A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#12305Bno red cones; affects about 1% of men; ΔE 11.4 from the original
Deuteranopia#122E58no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#22323Cno blue cones; rare, and affects men and women equally; ΔE 29 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.39:1WCAG large text: AAA
Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.7Midnight blue · ΔE 25.7Rebecca purple · ΔE 34.3Black · ΔE 38.7Steel blue · ΔE 39.6Dark slate grey · ΔE 40.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#525928
Analogous#283A59, #472859
Triadic#592F28, #28592F
Split complementary#594728, #3A5928
Tetradic#59283A, #525928, #285948

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8E85C8
Lighter +30%#6E62B8
Lighter +20%#54489F
Lighter +10%#42387C
Darker −10%#1C1836
Darker −20%#0A0813
Darker −30%#000000
Darker −40%#000000
More saturated +25%#231869
Less saturated −25%#3B3849

Channel breakdown

R47
G40
B89
Red47 (18.4%)
Green40 (15.7%)
Blue89 (34.9%)
Hue248.57°
Saturation (HSL)37.98%
Lightness25.29%
Dominant channelBlue
Hex per channelR 2F · G 28 · B 59

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Every value on this page was computed from “2f2859” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.