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Colour

#2F285F

  • #2F285F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F285F is a blue with RGB values 47, 40, 95 and HSL 248°, 41%, 26%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F285F#2F285F
HEX#2F285F
RGBrgb(47, 40, 95)
RGB (0–1)0.1843, 0.1569, 0.3725
RGB percentages18.4%, 15.7%, 37.3%
HSLhsl(247.6, 40.7%, 26.5%)
HSV / HSBhsv(247.6, 57.9%, 37.3%)
CMYK50.5%, 57.9%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,090,527
CSS custom property--colour: #2F285F;

Brightness & contrast

Relative luminance0.02948WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.21:1
Contrast with white13.21:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#D0D7A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0B3161no red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#092E5Eno green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#1F343Fno blue cones; rare, and affects men and women equally; ΔE 33 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.21:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.4Midnight blue · ΔE 21.9Rebecca purple · ΔE 30.9Indigo · ΔE 38.8Slate blue · ΔE 40Steel blue · ΔE 40.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#585F28
Analogous#283D5F, #4A285F
Triadic#5F2F28, #285F2F
Split complementary#5F4A28, #3D5F28
Tetradic#5F283D, #585F28, #285F4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9087CC
Lighter +30%#6E63BD
Lighter +20%#5346A7
Lighter +10%#413783
Darker −10%#1D193B
Darker −20%#0B0A17
Darker −30%#000000
Darker −40%#000000
More saturated +25%#221770
Less saturated −25%#3C394E

Channel breakdown

R47
G40
B95
Red47 (18.4%)
Green40 (15.7%)
Blue95 (37.3%)
Hue247.64°
Saturation (HSL)40.74%
Lightness26.47%
Dominant channelBlue
Hex per channelR 2F · G 28 · B 5F

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Every value on this page was computed from “2f285f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.