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Recognised as Colour

#390D50

  • #390D50
  • Violet
  • Dark
  • Nearest: Midnight blue

#390D50 is a violet with RGB values 57, 13, 80 and HSL 279°, 72%, 18%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#390D50#390D50
HEX#390D50
RGBrgb(57, 13, 80)
RGB (0–1)0.2235, 0.051, 0.3137
RGB percentages22.4%, 5.1%, 31.4%
HSLhsl(279.4, 72%, 18.2%)
HSV / HSBhsv(279.4, 83.8%, 31.4%)
CMYK28.8%, 83.7%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,738,960
CSS custom property--colour: #390D50;

Brightness & contrast

Relative luminance0.01737WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.59:1
Contrast with white15.59:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#C6F2AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002252no red cones; affects about 1% of men; ΔE 23 from the original
Deuteranopia#01244Fno green cones; the most common form, about 1% of men; ΔE 25.9 from the original
Tritanopia#361D2Eno blue cones; rare, and affects men and women equally; ΔE 30.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.59:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 18.6Dark slateblue · ΔE 21.3Rebecca purple · ΔE 26.6Indigo · ΔE 29.6Purple · ΔE 30.6Dark magenta · ΔE 35.5
Nearest named CSS colourMidnight blue (#191970)ΔE 18.64, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#24500D
Analogous#180D50, #500D45
Triadic#50390D, #0D5039
Split complementary#45500D, #0D5018
Tetradic#50180D, #24500D, #0D4550

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AD48E1
Lighter +30%#9722D4
Lighter +20%#781BA8
Lighter +10%#58147C
Darker −10%#1A0624
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3D015C
Less saturated −25%#351944

Channel breakdown

R57
G13
B80
Red57 (22.4%)
Green13 (5.1%)
Blue80 (31.4%)
Hue279.4°
Saturation (HSL)72.04%
Lightness18.24%
Dominant channelBlue
Hex per channelR 39 · G 0D · B 50

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Every value on this page was computed from “390d50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.