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Recognised as Colour

#0F47B4

  • #0F47B4
  • Blue
  • Dark
  • Nearest: Royal blue

#0F47B4 is a blue with RGB values 15, 71, 180 and HSL 220°, 85%, 38%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0F47B4#0F47B4
HEX#0F47B4
RGBrgb(15, 71, 180)
RGB (0–1)0.0588, 0.2784, 0.7059
RGB percentages5.9%, 27.8%, 70.6%
HSLhsl(219.6, 84.6%, 38.2%)
HSV / HSBhsv(219.6, 91.7%, 70.6%)
CMYK91.7%, 60.6%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,001,396
CSS custom property--colour: #0F47B4;

Brightness & contrast

Relative luminance0.07903WCAG 2.x, 0 is black and 1 is white
Perceived brightness82 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.14:1
Contrast with white8.14:1WCAG normal text: AAA
Contrast with black2.58:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#F0B84B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057B8no red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#0048B2no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#006376no blue cones; rare, and affects men and women equally; ΔE 62.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.14:1WCAG large text: AAA
Contrast with black, large text2.58:1WCAG large text: Fail

Named colours

Royal blue · ΔE 14.4Slate blue · ΔE 15.5Dark slateblue · ΔE 20.3Rebecca purple · ΔE 22.1Midnight blue · ΔE 22.5Medium slateblue · ΔE 23.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B47C0F
Analogous#0F9AB4, #290FB4
Triadic#B40F47, #47B40F
Split complementary#B4290F, #9AB40F
Tetradic#B40F9A, #B47C0F, #0FB42A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99B8F6
Lighter +30%#6998F3
Lighter +20%#3A78EF
Lighter +10%#135AE3
Darker −10%#0B3485
Darker −20%#072256
Darker −30%#030F27
Darker −40%#000000
More saturated +25%#0042C3
Less saturated −25%#274F9C

Channel breakdown

R15
G71
B180
Red15 (5.9%)
Green71 (27.8%)
Blue180 (70.6%)
Hue219.64°
Saturation (HSL)84.62%
Lightness38.24%
Dominant channelBlue
Hex per channelR 0F · G 47 · B B4

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Every value on this page was computed from “0f47b4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.