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Colour

#286EFF

  • #286EFF
  • Blue
  • Dark
  • Nearest: Royal blue

#286EFF is a blue with RGB values 40, 110, 255 and HSL 220°, 100%, 58%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#286EFF#286EFF
HEX#286EFF
RGBrgb(40, 110, 255)
RGB (0–1)0.1569, 0.4314, 1
RGB percentages15.7%, 43.1%, 100%
HSLhsl(220.5, 100%, 57.8%)
HSV / HSBhsv(220.5, 84.3%, 100%)
CMYK84.3%, 56.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,649,855
CSS custom property--colour: #286EFF;

Brightness & contrast

Relative luminance0.18823WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.76:1
Contrast with white4.41:1WCAG normal text: Fail
Contrast with black4.76:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#D79100

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0082FFno red cones; affects about 1% of men; ΔE 16.8 from the original
Deuteranopia#006FFCno green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#0093ACno blue cones; rare, and affects men and women equally; ΔE 78.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.41:1WCAG large text: AA
Contrast with black, large text4.76:1WCAG large text: AAA

Named colours

Royal blue · ΔE 13.9Medium slateblue · ΔE 15.6Slate blue · ΔE 21.1Dodgerblue · ΔE 27.5Medium purple · ΔE 28.5Rebecca purple · ΔE 37.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFB928
Analogous#28D9FF, #4E28FF
Triadic#FF286E, #6EFF28
Split complementary#FF4E28, #D9FF28
Tetradic#FF28D9, #FFB928, #28FF4E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4F8FF
Lighter +30%#C1D5FF
Lighter +20%#8EB3FF
Lighter +10%#5B90FF
Darker −10%#004FF4
Darker −20%#003FC1
Darker −30%#002E8E
Darker −40%#001E5B
More saturated +25%#286EFF
Less saturated −25%#4377E4

Channel breakdown

R40
G110
B255
Red40 (15.7%)
Green110 (43.1%)
Blue255 (100%)
Hue220.47°
Saturation (HSL)100%
Lightness57.84%
Dominant channelBlue
Hex per channelR 28 · G 6E · B FF

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Every value on this page was computed from “286eff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.