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Colour

#342A78

  • #342A78
  • Blue
  • Dark
  • Nearest: Dark slateblue

#342A78 is a blue with RGB values 52, 42, 120 and HSL 248°, 48%, 32%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#342A78#342A78
HEX#342A78
RGBrgb(52, 42, 120)
RGB (0–1)0.2039, 0.1647, 0.4706
RGB percentages20.4%, 16.5%, 47.1%
HSLhsl(247.7, 48.1%, 31.8%)
HSV / HSBhsv(247.7, 65%, 47.1%)
CMYK56.7%, 65%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,418,744
CSS custom property--colour: #342A78;

Brightness & contrast

Relative luminance0.03742WCAG 2.x, 0 is black and 1 is white
Perceived brightness59 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.01:1
Contrast with white12.01:1WCAG normal text: AAA
Contrast with black1.75:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#CBD587

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00397Bno red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#003476no green cones; the most common form, about 1% of men; ΔE 14.5 from the original
Tritanopia#163D4Dno blue cones; rare, and affects men and women equally; ΔE 46.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.01:1WCAG large text: AAA
Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 8.3Midnight blue · ΔE 10.2Rebecca purple · ΔE 18.6Indigo · ΔE 26.1Slate blue · ΔE 28.1Navy · ΔE 30.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 8.28, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6E782A
Analogous#2A4778, #5B2A78
Triadic#78342A, #2A7834
Split complementary#785B2A, #47782A
Tetradic#782A47, #6E782A, #2A785B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9D94DA
Lighter +30%#7B6FCC
Lighter +20%#5849BF
Lighter +10%#44379E
Darker −10%#241D52
Darker −20%#13102C
Darker −30%#030207
Darker −40%#000000
More saturated +25%#25168C
Less saturated −25%#433E64

Channel breakdown

R52
G42
B120
Red52 (20.4%)
Green42 (16.5%)
Blue120 (47.1%)
Hue247.69°
Saturation (HSL)48.15%
Lightness31.76%
Dominant channelBlue
Hex per channelR 34 · G 2A · B 78

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Every value on this page was computed from “342a78” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.