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Recognised as Colour

#3B1848

  • #3B1848
  • Violet
  • Dark
  • Nearest: Dark slateblue

#3B1848 is a violet with RGB values 59, 24, 72 and HSL 284°, 50%, 19%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3B1848#3B1848
HEX#3B1848
RGBrgb(59, 24, 72)
RGB (0–1)0.2314, 0.0941, 0.2824
RGB percentages23.1%, 9.4%, 28.2%
HSLhsl(283.8, 50%, 18.8%)
HSV / HSBhsv(283.8, 66.7%, 28.2%)
CMYK18.1%, 66.7%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,872,840
CSS custom property--colour: #3B1848;

Brightness & contrast

Relative luminance0.02051WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.89:1
Contrast with white14.89:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#C4E7B7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A254Ano red cones; affects about 1% of men; ΔE 20.9 from the original
Deuteranopia#182847no green cones; the most common form, about 1% of men; ΔE 21.6 from the original
Tritanopia#3A202Dno blue cones; rare, and affects men and women equally; ΔE 22.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.89:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.5Midnight blue · ΔE 27.3Rebecca purple · ΔE 34.1Purple · ΔE 38.1Black · ΔE 38.2Indigo · ΔE 40
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.46, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#254818
Analogous#231848, #48183D
Triadic#483B18, #18483B
Split complementary#3D4818, #184823
Tetradic#482318, #254818, #183D48

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AE62CB
Lighter +30%#993EBB
Lighter +20%#7A3295
Lighter +10%#5A256E
Darker −10%#1C0B22
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#410C54
Less saturated −25%#36243C

Channel breakdown

R59
G24
B72
Red59 (23.1%)
Green24 (9.4%)
Blue72 (28.2%)
Hue283.75°
Saturation (HSL)50%
Lightness18.82%
Dominant channelBlue
Hex per channelR 3B · G 18 · B 48

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Every value on this page was computed from “3b1848” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.