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Recognised as Colour

#3A4D82

  • #3A4D82
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3A4D82 is a blue with RGB values 58, 77, 130 and HSL 224°, 38%, 37%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3A4D82#3A4D82
HEX#3A4D82
RGBrgb(58, 77, 130)
RGB (0–1)0.2275, 0.302, 0.5098
RGB percentages22.7%, 30.2%, 51%
HSLhsl(224.2, 38.3%, 36.9%)
HSV / HSBhsv(224.2, 55.4%, 51%)
CMYK55.4%, 40.8%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,820,930
CSS custom property--colour: #3A4D82;

Brightness & contrast

Relative luminance0.07819WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.19:1
Contrast with white8.19:1WCAG normal text: AAA
Contrast with black2.56:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#C5B27D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#375284no red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#2F4C81no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#155861no blue cones; rare, and affects men and women equally; ΔE 33.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.19:1WCAG large text: AAA
Contrast with black, large text2.56:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.8Steel blue · ΔE 23Slate grey · ΔE 31Light slate grey · ΔE 32.7Cornflower blue · ΔE 33.1Midnight blue · ΔE 33.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#826F3A
Analogous#3A7182, #4B3A82
Triadic#823A4D, #4D823A
Split complementary#824B3A, #71823A
Tetradic#823A71, #826F3A, #3A824B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADB9DB
Lighter +30%#8A9BCB
Lighter +20%#677DBB
Lighter +10%#4A62A5
Darker −10%#2A385F
Darker −20%#1B233B
Darker −30%#0B0E18
Darker −40%#000000
More saturated +25%#23429A
Less saturated −25%#52586A

Channel breakdown

R58
G77
B130
Red58 (22.7%)
Green77 (30.2%)
Blue130 (51%)
Hue224.17°
Saturation (HSL)38.3%
Lightness36.86%
Dominant channelBlue
Hex per channelR 3A · G 4D · B 82

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Every value on this page was computed from “3a4d82” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.