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Recognised as Colour

#5186DE

  • #5186DE
  • Blue
  • Dark
  • Nearest: Cornflower blue

#5186DE is a blue with RGB values 81, 134, 222 and HSL 217°, 68%, 59%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#5186DE#5186DE
HEX#5186DE
RGBrgb(81, 134, 222)
RGB (0–1)0.3176, 0.5255, 0.8706
RGB percentages31.8%, 52.5%, 87.1%
HSLhsl(217.4, 68.1%, 59.4%)
HSV / HSBhsv(217.4, 63.5%, 87.1%)
CMYK63.5%, 39.6%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,342,942
CSS custom property--colour: #5186DE;

Brightness & contrast

Relative luminance0.24073WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.81:1
Contrast with white3.61:1WCAG normal text: Fail
Contrast with black5.81:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#AE7921

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5F8EE1no red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#4A81DCno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#009AA7no blue cones; rare, and affects men and women equally; ΔE 51.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.61:1WCAG large text: AA
Contrast with black, large text5.81:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5.8Dodgerblue · ΔE 13.6Steel blue · ΔE 23Royal blue · ΔE 23.9Medium purple · ΔE 27.1Slate blue · ΔE 29.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.85, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEA951
Analogous#51CCDE, #6351DE
Triadic#DE5186, #86DE51
Split complementary#DE6351, #CCDE51
Tetradic#DE51CC, #DEA951, #51DE63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFDFF
Lighter +30%#D2DFF6
Lighter +20%#A7C2EE
Lighter +10%#7CA4E6
Darker −10%#2869D4
Darker −20%#2054A9
Darker −30%#183E7E
Darker −40%#102953
More saturated +25%#3780F8
Less saturated −25%#6B8CC4

Channel breakdown

R81
G134
B222
Red81 (31.8%)
Green134 (52.5%)
Blue222 (87.1%)
Hue217.45°
Saturation (HSL)68.12%
Lightness59.41%
Dominant channelBlue
Hex per channelR 51 · G 86 · B DE

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Every value on this page was computed from “5186de” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.