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Recognised as Colour

#371C6B

  • #371C6B
  • Violet
  • Dark
  • Nearest: Midnight blue

#371C6B is a violet with RGB values 55, 28, 107 and HSL 261°, 59%, 26%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#371C6B#371C6B
HEX#371C6B
RGBrgb(55, 28, 107)
RGB (0–1)0.2157, 0.1098, 0.4196
RGB percentages21.6%, 11%, 42%
HSLhsl(260.5, 58.5%, 26.5%)
HSV / HSBhsv(260.5, 73.8%, 42%)
CMYK48.6%, 73.8%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,611,755
CSS custom property--colour: #371C6B;

Brightness & contrast

Relative luminance0.02704WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.63:1
Contrast with white13.63:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#C8E394

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002F6Dno red cones; affects about 1% of men; ΔE 19.9 from the original
Deuteranopia#002C69no green cones; the most common form, about 1% of men; ΔE 19.5 from the original
Tritanopia#283041no blue cones; rare, and affects men and women equally; ΔE 43 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.63:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.8Dark slateblue · ΔE 13.8Rebecca purple · ΔE 18.3Indigo · ΔE 22.5Navy · ΔE 28.2Purple · ΔE 28.8
Nearest named CSS colourMidnight blue (#191970)ΔE 8.79, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#506B1C
Analogous#1C296B, #5F1C6B
Triadic#6B371C, #1C6B37
Split complementary#6B5E1C, #296B1C
Tetradic#6B1C29, #506B1C, #1C6B5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9A77DC
Lighter +30%#7B4FD1
Lighter +20%#6131BC
Lighter +10%#4C2793
Darker −10%#221143
Darker −20%#0D071A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#320B7C
Less saturated −25%#3C2D5A

Channel breakdown

R55
G28
B107
Red55 (21.6%)
Green28 (11%)
Blue107 (42%)
Hue260.51°
Saturation (HSL)58.52%
Lightness26.47%
Dominant channelBlue
Hex per channelR 37 · G 1C · B 6B

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Every value on this page was computed from “371c6b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.