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Recognised as Colour

#106DEF

  • #106DEF
  • Blue
  • Dark
  • Nearest: Royal blue

#106DEF is a blue with RGB values 16, 109, 239 and HSL 215°, 87%, 50%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#106DEF#106DEF
HEX#106DEF
RGBrgb(16, 109, 239)
RGB (0–1)0.0627, 0.4275, 0.9373
RGB percentages6.3%, 42.7%, 93.7%
HSLhsl(215, 87.5%, 50%)
HSV / HSBhsv(215, 93.3%, 93.7%)
CMYK93.3%, 54.4%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,076,719
CSS custom property--colour: #106DEF;

Brightness & contrast

Relative luminance0.17279WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.71:1
Contrast with white4.71:1WCAG normal text: AA
Contrast with black4.46:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#EF9210

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007DF4no red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#006AECno green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#008EA3no blue cones; rare, and affects men and women equally; ΔE 71.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.71:1WCAG large text: AAA
Contrast with black, large text4.46:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.8Medium slateblue · ΔE 17.7Slate blue · ΔE 18.2Dodgerblue · ΔE 20.4Medium purple · ΔE 25.6Cornflower blue · ΔE 30.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.83, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF9210
Analogous#10DDEF, #2210EF
Triadic#EF106D, #6DEF10
Split complementary#EF2210, #DDEF10
Tetradic#EF10DD, #EF9210, #10EF22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFE2FC
Lighter +30%#9FC5F9
Lighter +20%#70A7F5
Lighter +10%#408AF2
Darker −10%#0D57BF
Darker −20%#0A418F
Darker −30%#062C60
Darker −40%#031630
More saturated +25%#006AFF
Less saturated −25%#3072CF

Channel breakdown

R16
G109
B239
Red16 (6.3%)
Green109 (42.7%)
Blue239 (93.7%)
Hue214.98°
Saturation (HSL)87.45%
Lightness50%
Dominant channelBlue
Hex per channelR 10 · G 6D · B EF

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Every value on this page was computed from “106def” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.