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Recognised as Colour

#343FBF

  • #343FBF
  • Blue
  • Dark
  • Nearest: Slate blue

#343FBF is a blue with RGB values 52, 63, 191 and HSL 235°, 57%, 48%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#343FBF#343FBF
HEX#343FBF
RGBrgb(52, 63, 191)
RGB (0–1)0.2039, 0.2471, 0.749
RGB percentages20.4%, 24.7%, 74.9%
HSLhsl(235.3, 57.2%, 47.6%)
HSV / HSBhsv(235.3, 72.8%, 74.9%)
CMYK72.8%, 67%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,424,191
CSS custom property--colour: #343FBF;

Brightness & contrast

Relative luminance0.08047WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.05:1
Contrast with white8.05:1WCAG normal text: AAA
Contrast with black2.61:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#CBC040

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057C3no red cones; affects about 1% of men; ΔE 19.2 from the original
Deuteranopia#004ABDno green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#006179no blue cones; rare, and affects men and women equally; ΔE 72.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.05:1WCAG large text: AAA
Contrast with black, large text2.61:1WCAG large text: Fail

Named colours

Slate blue · ΔE 15.6Medium slateblue · ΔE 18.4Royal blue · ΔE 19Rebecca purple · ΔE 21.4Dark blue · ΔE 22.4Navy · ΔE 23
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFB434
Analogous#3484BF, #6E34BF
Triadic#BF343F, #3FBF34
Split complementary#BF6E34, #84BF34
Tetradic#BF3485, #BFB434, #34BF6E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDD0F2
Lighter +30%#A5ABE7
Lighter +20%#7D85DC
Lighter +10%#555FD1
Darker −10%#293297
Darker −20%#1E256F
Darker −30%#131747
Darker −40%#080A1F
More saturated +25%#1625DD
Less saturated −25%#5259A1

Channel breakdown

R52
G63
B191
Red52 (20.4%)
Green63 (24.7%)
Blue191 (74.9%)
Hue235.25°
Saturation (HSL)57.2%
Lightness47.65%
Dominant channelBlue
Hex per channelR 34 · G 3F · B BF

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Every value on this page was computed from “343fbf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.