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Recognised as Colour

#2F2553

  • #2F2553
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F2553 is a blue with RGB values 47, 37, 83 and HSL 253°, 38%, 24%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F2553#2F2553
HEX#2F2553
RGBrgb(47, 37, 83)
RGB (0–1)0.1843, 0.1451, 0.3255
RGB percentages18.4%, 14.5%, 32.5%
HSLhsl(253, 38.3%, 23.5%)
HSV / HSBhsv(253, 55.4%, 32.5%)
CMYK43.4%, 55.4%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,089,747
CSS custom property--colour: #2F2553;

Brightness & contrast

Relative luminance0.02552WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.9:1
Contrast with white13.9:1WCAG normal text: AAA
Contrast with black1.51:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#D0DAAC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#122D55no red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#132B52no green cones; the most common form, about 1% of men; ΔE 11.5 from the original
Tritanopia#252E38no blue cones; rare, and affects men and women equally; ΔE 26.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.9:1WCAG large text: AAA
Contrast with black, large text1.51:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.8Midnight blue · ΔE 27.2Rebecca purple · ΔE 35.9Black · ΔE 36.6Dark slate grey · ΔE 39.3Steel blue · ΔE 40.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#495325
Analogous#253253, #462553
Triadic#532F25, #25532F
Split complementary#534625, #325325
Tetradic#532532, #495325, #255346

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8E7EC6
Lighter +30%#6F5BB6
Lighter +20%#57449A
Lighter +10%#433576
Darker −10%#1B1530
Darker −20%#07060C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#271662
Less saturated −25%#373444

Channel breakdown

R47
G37
B83
Red47 (18.4%)
Green37 (14.5%)
Blue83 (32.5%)
Hue253.04°
Saturation (HSL)38.33%
Lightness23.53%
Dominant channelBlue
Hex per channelR 2F · G 25 · B 53

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Every value on this page was computed from “2f2553” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.