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Recognised as Colour

#115AFB

  • #115AFB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#115AFB is a blue with RGB values 17, 90, 251 and HSL 221°, 97%, 53%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#115AFB#115AFB
HEX#115AFB
RGBrgb(17, 90, 251)
RGB (0–1)0.0667, 0.3529, 0.9843
RGB percentages6.7%, 35.3%, 98.4%
HSLhsl(221.3, 96.7%, 52.5%)
HSV / HSBhsv(221.3, 93.2%, 98.4%)
CMYK93.2%, 64.1%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,137,403
CSS custom property--colour: #115AFB;

Brightness & contrast

Relative luminance0.14397WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.41:1
Contrast with white5.41:1WCAG normal text: AA
Contrast with black3.88:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#EEA504

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0075FFno red cones; affects about 1% of men; ΔE 19.7 from the original
Deuteranopia#0060F8no green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#0086A3no blue cones; rare, and affects men and women equally; ΔE 86.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.41:1WCAG large text: AAA
Contrast with black, large text3.88:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 20.8Royal blue · ΔE 25.1Slate blue · ΔE 27.7Blue violet · ΔE 30.1Medium blue · ΔE 33Dark orchid · ΔE 34.2
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBB211
Analogous#11CFFB, #3D11FB
Triadic#FB115A, #5AFB11
Split complementary#FB3D11, #CFFB11
Tetradic#FB11CF, #FBB211, #11FB3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAE5FE
Lighter +30%#A7C2FE
Lighter +20%#75A0FD
Lighter +10%#437DFC
Darker −10%#0445D5
Darker −20%#0335A3
Darker −30%#022571
Darker −40%#01143F
More saturated +25%#0D58FF
Less saturated −25%#2F65DD

Channel breakdown

R17
G90
B251
Red17 (6.7%)
Green90 (35.3%)
Blue251 (98.4%)
Hue221.28°
Saturation (HSL)96.69%
Lightness52.55%
Dominant channelBlue
Hex per channelR 11 · G 5A · B FB

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Every value on this page was computed from “115afb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.