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Recognised as Colour

#0F3585

  • #0F3585
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0F3585 is a blue with RGB values 15, 53, 133 and HSL 221°, 80%, 29%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0F3585#0F3585
HEX#0F3585
RGBrgb(15, 53, 133)
RGB (0–1)0.0588, 0.2078, 0.5216
RGB percentages5.9%, 20.8%, 52.2%
HSLhsl(220.7, 79.7%, 29%)
HSV / HSBhsv(220.7, 88.7%, 52.2%)
CMYK88.7%, 60.2%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer996,741
CSS custom property--colour: #0F3585;

Brightness & contrast

Relative luminance0.04341WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.24:1
Contrast with white11.24:1WCAG normal text: AAA
Contrast with black1.87:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#F0CA7A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004088no red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#003683no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#004957no blue cones; rare, and affects men and women equally; ΔE 48.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.24:1WCAG large text: AAA
Contrast with black, large text1.87:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.6Midnight blue · ΔE 14.8Rebecca purple · ΔE 24.3Slate blue · ΔE 27.7Royal blue · ΔE 29.3Indigo · ΔE 32.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#855F0F
Analogous#0F7085, #240F85
Triadic#850F35, #35850F
Split complementary#85240F, #70850F
Tetradic#850F70, #855F0F, #0F8524

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#719AEF
Lighter +30%#4379EA
Lighter +20%#195AE1
Lighter +10%#1447B3
Darker −10%#0A2357
Darker −20%#051029
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003094
Less saturated −25%#223C73

Channel breakdown

R15
G53
B133
Red15 (5.9%)
Green53 (20.8%)
Blue133 (52.2%)
Hue220.68°
Saturation (HSL)79.73%
Lightness29.02%
Dominant channelBlue
Hex per channelR 0F · G 35 · B 85

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Every value on this page was computed from “0f3585” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.