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Recognised as Colour

#10286C

  • #10286C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#10286C is a blue with RGB values 16, 40, 108 and HSL 224°, 74%, 24%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#10286C#10286C
HEX#10286C
RGBrgb(16, 40, 108)
RGB (0–1)0.0627, 0.1569, 0.4235
RGB percentages6.3%, 15.7%, 42.4%
HSLhsl(224.3, 74.2%, 24.3%)
HSV / HSBhsv(224.3, 85.2%, 42.4%)
CMYK85.2%, 63%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,058,924
CSS custom property--colour: #10286C;

Brightness & contrast

Relative luminance0.0271WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.62:1
Contrast with white13.62:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#EFD793

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00326Eno red cones; affects about 1% of men; ΔE 8.8 from the original
Deuteranopia#002A6Bno green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#003945no blue cones; rare, and affects men and women equally; ΔE 43 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.62:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.9Midnight blue · ΔE 15.1Rebecca purple · ΔE 28.2Indigo · ΔE 34.7Slate blue · ΔE 35.2Navy · ΔE 36.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C5410
Analogous#10566C, #26106C
Triadic#6C1028, #286C10
Split complementary#6C2610, #566C10
Tetradic#6C1056, #6C5410, #106C26

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6084E8
Lighter +30%#3461E1
Lighter +20%#1D49C5
Lighter +10%#173898
Darker −10%#091840
Darker −20%#030713
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00217C
Less saturated −25%#1F2F5D

Channel breakdown

R16
G40
B108
Red16 (6.3%)
Green40 (15.7%)
Blue108 (42.4%)
Hue224.35°
Saturation (HSL)74.19%
Lightness24.31%
Dominant channelBlue
Hex per channelR 10 · G 28 · B 6C

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Every value on this page was computed from “10286c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.