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Recognised as Colour

#7381A4

  • #7381A4
  • Blue
  • Dark
  • Nearest: Light slate grey

#7381A4 is a blue with RGB values 115, 129, 164 and HSL 223°, 21%, 55%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#7381A4#7381A4
HEX#7381A4
RGBrgb(115, 129, 164)
RGB (0–1)0.451, 0.5059, 0.6431
RGB percentages45.1%, 50.6%, 64.3%
HSLhsl(222.9, 21.2%, 54.7%)
HSV / HSBhsv(222.9, 29.9%, 64.3%)
CMYK29.9%, 21.3%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,569,828
CSS custom property--colour: #7381A4;

Brightness & contrast

Relative luminance0.22026WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.41:1
Contrast with white3.89:1WCAG normal text: Fail
Contrast with black5.41:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#8C7E5B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7684A6no red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#727FA3no green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#66888Dno blue cones; rare, and affects men and women equally; ΔE 19.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.89:1WCAG large text: AA
Contrast with black, large text5.41:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 10.9Slate grey · ΔE 11.2Steel blue · ΔE 14.1Gray · ΔE 20.6Dim grey · ΔE 22.7Light steelblue · ΔE 25.3
Nearest named CSS colourLight slate grey (#778899)ΔE 10.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A49673
Analogous#739AA4, #7E73A4
Triadic#A47381, #81A473
Split complementary#A47E73, #9AA473
Tetradic#A4739A, #A49673, #73A47E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF0F4
Lighter +30%#D0D4E0
Lighter +20%#B1B9CC
Lighter +10%#929DB8
Darker −10%#5A688A
Darker −20%#46506B
Darker −30%#32394C
Darker −40%#1E222D
More saturated +25%#5675C1
Less saturated −25%#8C8C8C

Channel breakdown

R115
G129
B164
Red115 (45.1%)
Green129 (50.6%)
Blue164 (64.3%)
Hue222.86°
Saturation (HSL)21.21%
Lightness54.71%
Dominant channelBlue
Hex per channelR 73 · G 81 · B A4

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Every value on this page was computed from “7381a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.