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Recognised as Colour

#37186F

  • #37186F
  • Violet
  • Dark
  • Nearest: Midnight blue

#37186F is a violet with RGB values 55, 24, 111 and HSL 261°, 64%, 26%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#37186F#37186F
HEX#37186F
RGBrgb(55, 24, 111)
RGB (0–1)0.2157, 0.0941, 0.4353
RGB percentages21.6%, 9.4%, 43.5%
HSLhsl(261.4, 64.4%, 26.5%)
HSV / HSBhsv(261.4, 78.4%, 43.5%)
CMYK50.5%, 78.4%, 0%, 56.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,610,735
CSS custom property--colour: #37186F;

Brightness & contrast

Relative luminance0.02613WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.79:1
Contrast with white13.79:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#C8E790

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002E71no red cones; affects about 1% of men; ΔE 20.8 from the original
Deuteranopia#002B6Dno green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#252F42no blue cones; rare, and affects men and women equally; ΔE 46.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.79:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.1Dark slateblue · ΔE 16.1Rebecca purple · ΔE 16.2Indigo · ΔE 18Navy · ΔE 23.8Purple · ΔE 26.8
Nearest named CSS colourMidnight blue (#191970)ΔE 7.09, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#506F18
Analogous#18256F, #62186F
Triadic#6F3718, #186F37
Split complementary#6F6218, #256F18
Tetradic#6F1825, #506F18, #186F62

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9A72E1
Lighter +30%#7B48D8
Lighter +20%#612AC3
Lighter +10%#4C2199
Darker −10%#220F45
Darker −20%#0D061B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#320780
Less saturated −25%#3C295E

Channel breakdown

R55
G24
B111
Red55 (21.6%)
Green24 (9.4%)
Blue111 (43.5%)
Hue261.38°
Saturation (HSL)64.44%
Lightness26.47%
Dominant channelBlue
Hex per channelR 37 · G 18 · B 6F

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Every value on this page was computed from “37186f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.