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Recognised as Colour

#0F1243

  • #0F1243
  • Blue
  • Dark
  • Nearest: Midnight blue

#0F1243 is a blue with RGB values 15, 18, 67 and HSL 237°, 63%, 16%. It is a dark colour, so white text on it reaches 17.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0F1243#0F1243
HEX#0F1243
RGBrgb(15, 18, 67)
RGB (0–1)0.0588, 0.0706, 0.2627
RGB percentages5.9%, 7.1%, 26.3%
HSLhsl(236.5, 63.4%, 16.1%)
HSV / HSBhsv(236.5, 77.6%, 26.3%)
CMYK77.6%, 73.1%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer987,715
CSS custom property--colour: #0F1243;

Brightness & contrast

Relative luminance0.00939WCAG 2.x, 0 is black and 1 is white
Perceived brightness27.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.68:1
Contrast with white17.68:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#F0EDBC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001B45no red cones; affects about 1% of men; ΔE 8.8 from the original
Deuteranopia#001642no green cones; the most common form, about 1% of men; ΔE 5.8 from the original
Tritanopia#001F28no blue cones; rare, and affects men and women equally; ΔE 33.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.68:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 24.1Dark slateblue · ΔE 26.1Black · ΔE 37Rebecca purple · ΔE 38.4Indigo · ΔE 42.1Navy · ΔE 44.9
Nearest named CSS colourMidnight blue (#191970)ΔE 24.07, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#43400F
Analogous#0F2C43, #260F43
Triadic#430F12, #12430F
Split complementary#43260F, #2C430F
Tetradic#430F2C, #43400F, #0F4326

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4850D6
Lighter +30%#2B34C0
Lighter +20%#222896
Lighter +10%#181D6D
Darker −10%#060719
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#05094D
Less saturated −25%#191B39

Channel breakdown

R15
G18
B67
Red15 (5.9%)
Green18 (7.1%)
Blue67 (26.3%)
Hue236.54°
Saturation (HSL)63.41%
Lightness16.08%
Dominant channelBlue
Hex per channelR 0F · G 12 · B 43

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Every value on this page was computed from “0f1243” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.