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Recognised as Colour

#2F00BF

  • #2F00BF
  • Blue
  • Dark
  • Nearest: Medium blue

#2F00BF is a blue with RGB values 47, 0, 191 and HSL 255°, 100%, 37%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2F00BF#2F00BF
HEX#2F00BF
RGBrgb(47, 0, 191)
RGB (0–1)0.1843, 0, 0.749
RGB percentages18.4%, 0%, 74.9%
HSLhsl(254.8, 100%, 37.5%)
HSV / HSBhsv(254.8, 100%, 74.9%)
CMYK75.4%, 100%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,080,383
CSS custom property--colour: #2F00BF;

Brightness & contrast

Relative luminance0.04366WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.21:1
Contrast with white11.21:1WCAG normal text: AAA
Contrast with black1.87:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#D0FF40

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0042C3no red cones; affects about 1% of men; ΔE 32.6 from the original
Deuteranopia#0033BCno green cones; the most common form, about 1% of men; ΔE 24.4 from the original
Tritanopia#004D6Fno blue cones; rare, and affects men and women equally; ΔE 92.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.21:1WCAG large text: AAA
Contrast with black, large text1.87:1WCAG large text: Fail

Named colours

Medium blue · ΔE 8.5Blue violet · ΔE 20.1Dark blue · ΔE 22.7Dark violet · ΔE 23Navy · ΔE 27.9Blue · ΔE 29.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 8.52, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#90BF00
Analogous#0031BF, #8E00BF
Triadic#BF2F00, #00BF2F
Split complementary#BF8E00, #31BF00
Tetradic#BF0031, #90BF00, #00BF8E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A88CFF
Lighter +30%#8259FF
Lighter +20%#5B26FF
Lighter +10%#3C00F2
Darker −10%#22008C
Darker −20%#160059
Darker −30%#090026
Darker −40%#000000
More saturated +25%#2F00BF
Less saturated −25%#3B18A7

Channel breakdown

R47
G0
B191
Red47 (18.4%)
Green0 (0%)
Blue191 (74.9%)
Hue254.76°
Saturation (HSL)100%
Lightness37.45%
Dominant channelBlue
Hex per channelR 2F · G 00 · B BF

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Every value on this page was computed from “2f00bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.