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Recognised as Colour

#343CB4

  • #343CB4
  • Blue
  • Dark
  • Nearest: Slate blue

#343CB4 is a blue with RGB values 52, 60, 180 and HSL 236°, 55%, 45%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#343CB4#343CB4
HEX#343CB4
RGBrgb(52, 60, 180)
RGB (0–1)0.2039, 0.2353, 0.7059
RGB percentages20.4%, 23.5%, 70.6%
HSLhsl(236.3, 55.2%, 45.5%)
HSV / HSBhsv(236.3, 71.1%, 70.6%)
CMYK71.1%, 66.7%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,423,412
CSS custom property--colour: #343CB4;

Brightness & contrast

Relative luminance0.07257WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.57:1
Contrast with white8.57:1WCAG normal text: AAA
Contrast with black2.45:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#CBC34B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052B8no red cones; affects about 1% of men; ΔE 18 from the original
Deuteranopia#0046B2no green cones; the most common form, about 1% of men; ΔE 11.3 from the original
Tritanopia#005C73no blue cones; rare, and affects men and women equally; ΔE 68.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.57:1WCAG large text: AAA
Contrast with black, large text2.45:1WCAG large text: Fail

Named colours

Slate blue · ΔE 14.6Rebecca purple · ΔE 18.2Royal blue · ΔE 18.9Medium slateblue · ΔE 20.2Indigo · ΔE 21.9Navy · ΔE 22
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 14.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B4AC34
Analogous#347CB4, #6C34B4
Triadic#B4343C, #3CB434
Split complementary#B46C34, #7CB434
Tetradic#B4347C, #B4AC34, #34B46C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6C8EE
Lighter +30%#9EA2E3
Lighter +20%#767DD8
Lighter +10%#4F57CC
Darker −10%#292F8C
Darker −20%#1D2265
Darker −30%#12143D
Darker −40%#060716
More saturated +25%#1723D1
Less saturated −25%#515597

Channel breakdown

R52
G60
B180
Red52 (20.4%)
Green60 (23.5%)
Blue180 (70.6%)
Hue236.25°
Saturation (HSL)55.17%
Lightness45.49%
Dominant channelBlue
Hex per channelR 34 · G 3C · B B4

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Every value on this page was computed from “343cb4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.