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Colour

#424D82

  • #424D82
  • Blue
  • Dark
  • Nearest: Dark slateblue

#424D82 is a blue with RGB values 66, 77, 130 and HSL 230°, 33%, 38%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#424D82#424D82
HEX#424D82
RGBrgb(66, 77, 130)
RGB (0–1)0.2588, 0.302, 0.5098
RGB percentages25.9%, 30.2%, 51%
HSLhsl(229.7, 32.7%, 38.4%)
HSV / HSBhsv(229.7, 49.2%, 51%)
CMYK49.2%, 40.8%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,345,218
CSS custom property--colour: #424D82;

Brightness & contrast

Relative luminance0.08078WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.03:1
Contrast with white8.03:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#BDB27D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#395384no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#334E81no green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#2A5861no blue cones; rare, and affects men and women equally; ΔE 32.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.03:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.7Steel blue · ΔE 23.8Slate grey · ΔE 30.9Light slate grey · ΔE 32.6Midnight blue · ΔE 33Cornflower blue · ΔE 33.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#827742
Analogous#426D82, #574282
Triadic#82424D, #4D8242
Split complementary#825742, #6D8242
Tetradic#82426D, #827742, #428257

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6BCDA
Lighter +30%#949DC9
Lighter +20%#727EB8
Lighter +10%#5361A4
Darker −10%#313960
Darker −20%#20253E
Darker −30%#0E111D
Darker −40%#000000
More saturated +25%#293D9B
Less saturated −25%#5A5D6A

Channel breakdown

R66
G77
B130
Red66 (25.9%)
Green77 (30.2%)
Blue130 (51%)
Hue229.69°
Saturation (HSL)32.65%
Lightness38.43%
Dominant channelBlue
Hex per channelR 42 · G 4D · B 82

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Every value on this page was computed from “424d82” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.