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Recognised as Colour

#371D68

  • #371D68
  • Violet
  • Dark
  • Nearest: Midnight blue

#371D68 is a violet with RGB values 55, 29, 104 and HSL 261°, 56%, 26%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#371D68#371D68
HEX#371D68
RGBrgb(55, 29, 104)
RGB (0–1)0.2157, 0.1137, 0.4078
RGB percentages21.6%, 11.4%, 40.8%
HSLhsl(260.8, 56.4%, 26.1%)
HSV / HSBhsv(260.8, 72.1%, 40.8%)
CMYK47.1%, 72.1%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,612,008
CSS custom property--colour: #371D68;

Brightness & contrast

Relative luminance0.0269WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.65:1
Contrast with white13.65:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#C8E297

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002E6Ano red cones; affects about 1% of men; ΔE 19 from the original
Deuteranopia#002C66no green cones; the most common form, about 1% of men; ΔE 19.3 from the original
Tritanopia#292F40no blue cones; rare, and affects men and women equally; ΔE 40.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.65:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.5Dark slateblue · ΔE 13.4Rebecca purple · ΔE 19.9Indigo · ΔE 24.7Purple · ΔE 30Navy · ΔE 30.6
Nearest named CSS colourMidnight blue (#191970)ΔE 10.5, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E681D
Analogous#1D2968, #5C1D68
Triadic#68371D, #1D6837
Split complementary#685D1D, #28681D
Tetradic#681D29, #4E681D, #1D685C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9A78D9
Lighter +30%#7C50CE
Lighter +20%#6133B8
Lighter +10%#4C2890
Darker −10%#221240
Darker −20%#0D0718
Darker −30%#000000
Darker −40%#000000
More saturated +25%#320C79
Less saturated −25%#3C2E57

Channel breakdown

R55
G29
B104
Red55 (21.6%)
Green29 (11.4%)
Blue104 (40.8%)
Hue260.8°
Saturation (HSL)56.39%
Lightness26.08%
Dominant channelBlue
Hex per channelR 37 · G 1D · B 68

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Every value on this page was computed from “371d68” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.