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Recognised as Colour

#4641A4

  • #4641A4
  • Blue
  • Dark
  • Nearest: Dark slateblue

#4641A4 is a blue with RGB values 70, 65, 164 and HSL 243°, 43%, 45%. 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

#4641A4#4641A4
HEX#4641A4
RGBrgb(70, 65, 164)
RGB (0–1)0.2745, 0.2549, 0.6431
RGB percentages27.5%, 25.5%, 64.3%
HSLhsl(243, 43.2%, 44.9%)
HSV / HSBhsv(243, 60.4%, 64.3%)
CMYK57.3%, 60.4%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,604,324
CSS custom property--colour: #4641A4;

Brightness & contrast

Relative luminance0.07763WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.23:1
Contrast with white8.23:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#B9BE5B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052A7no red cones; affects about 1% of men; ΔE 18 from the original
Deuteranopia#004BA2no green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#13596Cno blue cones; rare, and affects men and women equally; ΔE 57.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.23:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.4Rebecca purple · ΔE 13.1Slate blue · ΔE 13.7Midnight blue · ΔE 18Royal blue · ΔE 19.5Medium purple · ΔE 22.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9FA441
Analogous#416EA4, #7741A4
Triadic#A44641, #41A446
Split complementary#A47741, #6EA441
Tetradic#A4416E, #9FA441, #41A477

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAC8E9
Lighter +30%#A6A3DB
Lighter +20%#837FCC
Lighter +10%#5F5ABE
Darker −10%#36337F
Darker −20%#27245B
Darker −30%#171636
Darker −40%#080712
More saturated +25%#2C24C1
Less saturated −25%#605E87

Channel breakdown

R70
G65
B164
Red70 (27.5%)
Green65 (25.5%)
Blue164 (64.3%)
Hue243.03°
Saturation (HSL)43.23%
Lightness44.9%
Dominant channelBlue
Hex per channelR 46 · G 41 · B A4

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Every value on this page was computed from “4641a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.