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Recognised as Colour

#47438E

  • #47438E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#47438E is a blue with RGB values 71, 67, 142 and HSL 243°, 36%, 41%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#47438E#47438E
HEX#47438E
RGBrgb(71, 67, 142)
RGB (0–1)0.2784, 0.2627, 0.5569
RGB percentages27.8%, 26.3%, 55.7%
HSLhsl(243.2, 35.9%, 41%)
HSV / HSBhsv(243.2, 52.8%, 55.7%)
CMYK50%, 52.8%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,670,350
CSS custom property--colour: #47438E;

Brightness & contrast

Relative luminance0.07307WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.53:1
Contrast with white8.53:1WCAG normal text: AAA
Contrast with black2.46:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#B8BC71

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E4F91no red cones; affects about 1% of men; ΔE 14.5 from the original
Deuteranopia#194A8Cno green cones; the most common form, about 1% of men; ΔE 13.7 from the original
Tritanopia#2D5362no blue cones; rare, and affects men and women equally; ΔE 42.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.53:1WCAG large text: AAA
Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 3.7Midnight blue · ΔE 20.6Rebecca purple · ΔE 20.8Slate blue · ΔE 24.7Medium purple · ΔE 27.9Royal blue · ΔE 28.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 3.66, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A8E43
Analogous#43648E, #6D438E
Triadic#8E4743, #438E47
Split complementary#8E6D43, #648E43
Tetradic#8E4364, #8A8E43, #438E6D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFBDE0
Lighter +30%#9D9AD0
Lighter +20%#7C78BF
Lighter +10%#5A55AF
Darker −10%#36336B
Darker −20%#242249
Darker −30%#131226
Darker −40%#020203
More saturated +25%#3029A8
Less saturated −25%#5E5D74

Channel breakdown

R71
G67
B142
Red71 (27.8%)
Green67 (26.3%)
Blue142 (55.7%)
Hue243.2°
Saturation (HSL)35.89%
Lightness40.98%
Dominant channelBlue
Hex per channelR 47 · G 43 · B 8E

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Every value on this page was computed from “47438e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.