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Recognised as Colour

#51A0F6

  • #51A0F6
  • Blue
  • Dark
  • Nearest: Cornflower blue

#51A0F6 is a blue with RGB values 81, 160, 246 and HSL 211°, 90%, 64%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#51A0F6#51A0F6
HEX#51A0F6
RGBrgb(81, 160, 246)
RGB (0–1)0.3176, 0.6275, 0.9647
RGB percentages31.8%, 62.7%, 96.5%
HSLhsl(211.3, 90.2%, 64.1%)
HSV / HSBhsv(211.3, 67.1%, 96.5%)
CMYK67.1%, 35%, 0%, 3.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,349,622
CSS custom property--colour: #51A0F6;

Brightness & contrast

Relative luminance0.33545WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.71:1
Contrast with white2.72:1WCAG normal text: Fail
Contrast with black7.71:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#AE5F09

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7AA5FAno red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#6296F4no green cones; the most common form, about 1% of men; ΔE 8.6 from the original
Tritanopia#00B4BFno blue cones; rare, and affects men and women equally; ΔE 49.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.72:1WCAG large text: Fail
Contrast with black, large text7.71:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 7.3Dodgerblue · ΔE 16.1Steel blue · ΔE 22.6Deep skyblue · ΔE 23Light skyblue · ΔE 29.6Royal blue · ΔE 32.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 7.31, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F6A751
Analogous#51F3F6, #5451F6
Triadic#F651A0, #A0F651
Split complementary#F65451, #F3F651
Tetradic#F651F3, #F6A751, #51F654

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E2EFFE
Lighter +20%#B2D5FB
Lighter +10%#81BAF9
Darker −10%#2186F3
Darker −20%#0B6CD6
Darker −30%#0954A5
Darker −40%#063B75
More saturated +25%#48A0FF
Less saturated −25%#68A1DF

Channel breakdown

R81
G160
B246
Red81 (31.8%)
Green160 (62.7%)
Blue246 (96.5%)
Hue211.27°
Saturation (HSL)90.16%
Lightness64.12%
Dominant channelBlue
Hex per channelR 51 · G A0 · B F6

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Every value on this page was computed from “51a0f6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.