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Colour

#2D91FF

  • #2D91FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2D91FF is a blue with RGB values 45, 145, 255 and HSL 211°, 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

#2D91FF#2D91FF
HEX#2D91FF
RGBrgb(45, 145, 255)
RGB (0–1)0.1765, 0.5686, 1
RGB percentages17.6%, 56.9%, 100%
HSLhsl(211.4, 100%, 58.8%)
HSV / HSBhsv(211.4, 82.4%, 100%)
CMYK82.4%, 43.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,986,495
CSS custom property--colour: #2D91FF;

Brightness & contrast

Relative luminance0.28029WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.61:1
Contrast with white3.18:1WCAG normal text: Fail
Contrast with black6.61:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#D26E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#589AFFno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#2C88FDno green cones; the most common form, about 1% of men; ΔE 6.2 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 text3.18:1WCAG large text: AA
Contrast with black, large text6.61:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 1.1Cornflower blue · ΔE 13.4Royal blue · ΔE 20.2Medium purple · ΔE 29.6Slate blue · ΔE 29.9Medium slateblue · ΔE 31.8
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 1.1, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9B2D
Analogous#2DFAFF, #322DFF
Triadic#FF2D91, #91FF2D
Split complementary#FF322D, #FAFF2D
Tetradic#FF2DFA, #FF9B2D, #2DFF32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9FCFF
Lighter +30%#C6E1FF
Lighter +20%#93C6FF
Lighter +10%#60ACFF
Darker −10%#0077F9
Darker −20%#005EC6
Darker −30%#004693
Darker −40%#002E60
More saturated +25%#2D91FF
Less saturated −25%#4792E5

Channel breakdown

R45
G145
B255
Red45 (17.6%)
Green145 (56.9%)
Blue255 (100%)
Hue211.43°
Saturation (HSL)100%
Lightness58.82%
Dominant channelBlue
Hex per channelR 2D · G 91 · B FF

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Every value on this page was computed from “2d91ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.