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Colour

#343D83

  • #343D83
  • Blue
  • Dark
  • Nearest: Dark slateblue

#343D83 is a blue with RGB values 52, 61, 131 and HSL 233°, 43%, 36%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#343D83#343D83
HEX#343D83
RGBrgb(52, 61, 131)
RGB (0–1)0.2039, 0.2392, 0.5137
RGB percentages20.4%, 23.9%, 51.4%
HSLhsl(233.2, 43.2%, 35.9%)
HSV / HSBhsv(233.2, 60.3%, 51.4%)
CMYK60.3%, 53.4%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,423,619
CSS custom property--colour: #343D83;

Brightness & contrast

Relative luminance0.05706WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.81:1
Contrast with white9.81:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#CBC27C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#164785no red cones; affects about 1% of men; ΔE 11 from the original
Deuteranopia#034082no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#004D5Ano blue cones; rare, and affects men and women equally; ΔE 43.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.81:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 7.6Midnight blue · ΔE 20.2Rebecca purple · ΔE 25.2Slate blue · ΔE 29.4Royal blue · ΔE 32Medium purple · ΔE 33.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 7.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#837A34
Analogous#346583, #523483
Triadic#83343D, #3D8334
Split complementary#835234, #658334
Tetradic#833465, #837A34, #348352

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7ADDC
Lighter +30%#828BCE
Lighter +20%#5E69BF
Lighter +10%#424EA8
Darker −10%#262C5E
Darker −20%#171B3A
Darker −30%#090A15
Darker −40%#000000
More saturated +25%#1D2B9A
Less saturated −25%#4B4F6C

Channel breakdown

R52
G61
B131
Red52 (20.4%)
Green61 (23.9%)
Blue131 (51.4%)
Hue233.16°
Saturation (HSL)43.17%
Lightness35.88%
Dominant channelBlue
Hex per channelR 34 · G 3D · B 83

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Every value on this page was computed from “343d83” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.