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Recognised as Colour

#516BF3

  • #516BF3
  • Blue
  • Dark
  • Nearest: Medium slateblue

#516BF3 is a blue with RGB values 81, 107, 243 and HSL 230°, 87%, 64%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#516BF3#516BF3
HEX#516BF3
RGBrgb(81, 107, 243)
RGB (0–1)0.3176, 0.4196, 0.9529
RGB percentages31.8%, 42%, 95.3%
HSLhsl(230.4, 87.1%, 63.5%)
HSV / HSBhsv(230.4, 66.7%, 95.3%)
CMYK66.7%, 56%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,336,051
CSS custom property--colour: #516BF3;

Brightness & contrast

Relative luminance0.18736WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.75:1
Contrast with white4.42:1WCAG normal text: Fail
Contrast with black4.75:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#AE940C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007FF8no red cones; affects about 1% of men; ΔE 17.4 from the original
Deuteranopia#0071F0no green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#008CA5no blue cones; rare, and affects men and women equally; ΔE 74.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.42:1WCAG large text: AA
Contrast with black, large text4.75:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 9.7Royal blue · ΔE 9.7Slate blue · ΔE 14.6Medium purple · ΔE 21.9Dodgerblue · ΔE 26.4Rebecca purple · ΔE 31.2
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 9.7, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F3D951
Analogous#51BCF3, #8851F3
Triadic#F3516B, #6BF351
Split complementary#F38851, #BCF351
Tetradic#F351BC, #F3D951, #51F388

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E0E5FD
Lighter +20%#B0BCFA
Lighter +10%#8194F6
Darker −10%#2142F0
Darker −20%#0E2DD0
Darker −30%#0B23A0
Darker −40%#081970
More saturated +25%#4563FF
Less saturated −25%#687BDC

Channel breakdown

R81
G107
B243
Red81 (31.8%)
Green107 (42%)
Blue243 (95.3%)
Hue230.37°
Saturation (HSL)87.1%
Lightness63.53%
Dominant channelBlue
Hex per channelR 51 · G 6B · B F3

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Every value on this page was computed from “516bf3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.