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Colour

#2F91FF

  • #2F91FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2F91FF is a blue with RGB values 47, 145, 255 and HSL 212°, 100%, 59%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2F91FF#2F91FF
HEX#2F91FF
RGBrgb(47, 145, 255)
RGB (0–1)0.1843, 0.5686, 1
RGB percentages18.4%, 56.9%, 100%
HSLhsl(211.7, 100%, 59.2%)
HSV / HSBhsv(211.7, 81.6%, 100%)
CMYK81.6%, 43.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,117,567
CSS custom property--colour: #2F91FF;

Brightness & contrast

Relative luminance0.28075WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.62:1
Contrast with white3.17:1WCAG normal text: Fail
Contrast with black6.62:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#D06E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#589AFFno red cones; affects about 1% of men; ΔE 7.1 from the original
Deuteranopia#2D88FDno green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#00ABBBno blue cones; rare, and affects men and women equally; ΔE 60.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.17:1WCAG large text: AA
Contrast with black, large text6.62:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 1.2Cornflower blue · ΔE 13.4Royal blue · ΔE 20.1Medium purple · ΔE 29.4Slate blue · ΔE 29.8Medium slateblue · ΔE 31.6
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 1.24, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9D2F
Analogous#2FF9FF, #352FFF
Triadic#FF2F91, #91FF2F
Split complementary#FF352F, #F9FF2F
Tetradic#FF2FF9, #FF9D2F, #2FFF35

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFDFF
Lighter +30%#C8E2FF
Lighter +20%#95C7FF
Lighter +10%#62ACFF
Darker −10%#0076FB
Darker −20%#005EC8
Darker −30%#004695
Darker −40%#002E62
More saturated +25%#2F91FF
Less saturated −25%#4992E5

Channel breakdown

R47
G145
B255
Red47 (18.4%)
Green145 (56.9%)
Blue255 (100%)
Hue211.73°
Saturation (HSL)100%
Lightness59.22%
Dominant channelBlue
Hex per channelR 2F · G 91 · B FF

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Every value on this page was computed from “2f91ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.