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Recognised as Colour

#0F2F66

  • #0F2F66
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0F2F66 is a blue with RGB values 15, 47, 102 and HSL 218°, 74%, 23%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0F2F66#0F2F66
HEX#0F2F66
RGBrgb(15, 47, 102)
RGB (0–1)0.0588, 0.1843, 0.4
RGB percentages5.9%, 18.4%, 40%
HSLhsl(217.9, 74.4%, 22.9%)
HSV / HSBhsv(217.9, 85.3%, 40%)
CMYK85.3%, 53.9%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer995,174
CSS custom property--colour: #0F2F66;

Brightness & contrast

Relative luminance0.03094WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.97:1
Contrast with white12.97:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#F0D099

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0B3568no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#002D65no green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#003C45no blue cones; rare, and affects men and women equally; ΔE 35.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.97:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.3Midnight blue · ΔE 25.3Steel blue · ΔE 35.6Rebecca purple · ΔE 36Dark slate grey · ΔE 40.7Slate blue · ΔE 41.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.31, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#66460F
Analogous#0F5B66, #1A0F66
Triadic#660F2F, #2F660F
Split complementary#661A0F, #5B660F
Tetradic#660F5B, #66460F, #0F661A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5A8EE7
Lighter +30%#2E6FE0
Lighter +20%#1C58BF
Lighter +10%#164392
Darker −10%#081B3A
Darker −20%#02060D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002B75
Less saturated −25%#1E3357

Channel breakdown

R15
G47
B102
Red15 (5.9%)
Green47 (18.4%)
Blue102 (40%)
Hue217.93°
Saturation (HSL)74.36%
Lightness22.94%
Dominant channelBlue
Hex per channelR 0F · G 2F · B 66

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Every value on this page was computed from “0f2f66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.