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Recognised as Colour

#342F55

  • #342F55
  • Blue
  • Dark
  • Nearest: Dark slateblue

#342F55 is a blue with RGB values 52, 47, 85 and HSL 248°, 29%, 26%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#342F55#342F55
HEX#342F55
RGBrgb(52, 47, 85)
RGB (0–1)0.2039, 0.1843, 0.3333
RGB percentages20.4%, 18.4%, 33.3%
HSLhsl(247.9, 28.8%, 25.9%)
HSV / HSBhsv(247.9, 44.7%, 33.3%)
CMYK38.8%, 44.7%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,419,989
CSS custom property--colour: #342F55;

Brightness & contrast

Relative luminance0.03419WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.47:1
Contrast with white12.47:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#CBD0AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#233556no red cones; affects about 1% of men; ΔE 8.8 from the original
Deuteranopia#223354no green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#2C363Eno blue cones; rare, and affects men and women equally; ΔE 21.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.47:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.6Dark slate grey · ΔE 32.2Black · ΔE 33.6Midnight blue · ΔE 33.7Dim grey · ΔE 34.3Steel blue · ΔE 36.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#50552F
Analogous#2F3D55, #472F55
Triadic#55342F, #2F5534
Split complementary#55472F, #3D552F
Tetradic#552F3D, #50552F, #2F5547

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#968FC1
Lighter +30%#776EAF
Lighter +20%#5C5397
Lighter +10%#484176
Darker −10%#201D34
Darker −20%#0C0B13
Darker −30%#000000
Darker −40%#000000
More saturated +25%#281E65
Less saturated −25%#403F44

Channel breakdown

R52
G47
B85
Red52 (20.4%)
Green47 (18.4%)
Blue85 (33.3%)
Hue247.89°
Saturation (HSL)28.79%
Lightness25.88%
Dominant channelBlue
Hex per channelR 34 · G 2F · B 55

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Every value on this page was computed from “342f55” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.