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Colour

#2F99FF

  • #2F99FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2F99FF is a blue with RGB values 47, 153, 255 and HSL 209°, 100%, 59%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2F99FF#2F99FF
HEX#2F99FF
RGBrgb(47, 153, 255)
RGB (0–1)0.1843, 0.6, 1
RGB percentages18.4%, 60%, 100%
HSLhsl(209.4, 100%, 59.2%)
HSV / HSBhsv(209.4, 81.6%, 100%)
CMYK81.6%, 40%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,119,615
CSS custom property--colour: #2F99FF;

Brightness & contrast

Relative luminance0.30607WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.12:1
Contrast with white2.95:1WCAG normal text: Fail
Contrast with black7.12:1WCAG normal text: AAA
Greyscale equivalent#8A8A8A
Inverted#D06600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#67A0FFno red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#438EFDno green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#00B1C0no blue cones; rare, and affects men and women equally; ΔE 55.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.95:1WCAG large text: Fail
Contrast with black, large text7.12:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.7Cornflower blue · ΔE 10.2Royal blue · ΔE 25.8Steel blue · ΔE 30.1Deep skyblue · ΔE 30.4Medium purple · ΔE 33
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.74, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF952F
Analogous#2FFFFD, #2F31FF
Triadic#FF2F99, #99FF2F
Split complementary#FF2F31, #FFFD2F
Tetradic#FD2FFF, #FF952F, #31FF2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFDFF
Lighter +30%#C8E4FF
Lighter +20%#95CBFF
Lighter +10%#62B2FF
Darker −10%#0080FB
Darker −20%#0066C8
Darker −30%#004C95
Darker −40%#003262
More saturated +25%#2F99FF
Less saturated −25%#4999E5

Channel breakdown

R47
G153
B255
Red47 (18.4%)
Green153 (60%)
Blue255 (100%)
Hue209.42°
Saturation (HSL)100%
Lightness59.22%
Dominant channelBlue
Hex per channelR 2F · G 99 · B FF

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Every value on this page was computed from “2f99ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.