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Recognised as Colour

#81ABFE

  • #81ABFE
  • Blue
  • Dark
  • Nearest: Cornflower blue

#81ABFE is a blue with RGB values 129, 171, 254 and HSL 220°, 98%, 75%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#81ABFE#81ABFE
HEX#81ABFE
RGBrgb(129, 171, 254)
RGB (0–1)0.5059, 0.6706, 0.9961
RGB percentages50.6%, 67.1%, 99.6%
HSLhsl(219.8, 98.4%, 75.1%)
HSV / HSBhsv(219.8, 49.2%, 99.6%)
CMYK49.2%, 32.7%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,498,174
CSS custom property--colour: #81ABFE;

Brightness & contrast

Relative luminance0.40949WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.19:1
Contrast with white2.29:1WCAG normal text: Fail
Contrast with black9.19:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#7E5401

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8BB2FFno red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#7DA6FCno green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#49BDC9no blue cones; rare, and affects men and women equally; ΔE 47.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.29:1WCAG large text: Fail
Contrast with black, large text9.19:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.1Dodgerblue · ΔE 20.9Steel blue · ΔE 25.2Deep skyblue · ΔE 26Light skyblue · ΔE 27.2Light steelblue · ΔE 32.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.12, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FED481
Analogous#81E9FE, #9681FE
Triadic#FE81AB, #ABFE81
Split complementary#FE9681, #E9FE81
Tetradic#FE81E9, #FED481, #81FE96

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E6EEFF
Lighter +10%#B4CDFE
Darker −10%#4E89FE
Darker −20%#1C68FD
Darker −30%#024EE4
Darker −40%#013DB2
More saturated +25%#80ABFF
Less saturated −25%#91B0EE

Channel breakdown

R129
G171
B254
Red129 (50.6%)
Green171 (67.1%)
Blue254 (99.6%)
Hue219.84°
Saturation (HSL)98.43%
Lightness75.1%
Dominant channelBlue
Hex per channelR 81 · G AB · B FE

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Every value on this page was computed from “81abfe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.