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Recognised as Colour

#371D72

  • #371D72
  • Violet
  • Dark
  • Nearest: Midnight blue

#371D72 is a violet with RGB values 55, 29, 114 and HSL 258°, 59%, 28%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#371D72#371D72
HEX#371D72
RGBrgb(55, 29, 114)
RGB (0–1)0.2157, 0.1137, 0.4471
RGB percentages21.6%, 11.4%, 44.7%
HSLhsl(258.4, 59.4%, 28%)
HSV / HSBhsv(258.4, 74.6%, 44.7%)
CMYK51.8%, 74.6%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,612,018
CSS custom property--colour: #371D72;

Brightness & contrast

Relative luminance0.02906WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.28:1
Contrast with white13.28:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#C8E28D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003175no red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#002E70no green cones; the most common form, about 1% of men; ΔE 19.5 from the original
Tritanopia#233345no blue cones; rare, and affects men and women equally; ΔE 47 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.28:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 6.8Dark slateblue · ΔE 14.1Rebecca purple · ΔE 16Indigo · ΔE 19.5Navy · ΔE 25Purple · ΔE 27.8
Nearest named CSS colourMidnight blue (#191970)ΔE 6.83, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#58721D
Analogous#1D2E72, #611D72
Triadic#72371D, #1D7237
Split complementary#72611D, #2E721D
Tetradic#721D2E, #58721D, #1D7261

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9B7DDE
Lighter +30%#7B54D4
Lighter +20%#5E32C3
Lighter +10%#4B279B
Darker −10%#231349
Darker −20%#100821
Darker −30%#000000
Darker −40%#000000
More saturated +25%#300B84
Less saturated −25%#3E2F60

Channel breakdown

R55
G29
B114
Red55 (21.6%)
Green29 (11.4%)
Blue114 (44.7%)
Hue258.35°
Saturation (HSL)59.44%
Lightness28.04%
Dominant channelBlue
Hex per channelR 37 · G 1D · B 72

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Every value on this page was computed from “371d72” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.