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Recognised as Colour

#4F1870

  • #4F1870
  • Violet
  • Dark
  • Nearest: Rebecca purple

#4F1870 is a violet with RGB values 79, 24, 112 and HSL 278°, 65%, 27%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#4F1870#4F1870
HEX#4F1870
RGBrgb(79, 24, 112)
RGB (0–1)0.3098, 0.0941, 0.4392
RGB percentages31%, 9.4%, 43.9%
HSLhsl(277.5, 64.7%, 26.7%)
HSV / HSBhsv(277.5, 78.6%, 43.9%)
CMYK29.5%, 78.6%, 0%, 56.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,183,600
CSS custom property--colour: #4F1870;

Brightness & contrast

Relative luminance0.03485WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.37:1
Contrast with white12.37:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#B0E78F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003272no red cones; affects about 1% of men; ΔE 28 from the original
Deuteranopia#00356Eno green cones; the most common form, about 1% of men; ΔE 32 from the original
Tritanopia#4A2D43no blue cones; rare, and affects men and women equally; ΔE 39.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.37:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 13.6Midnight blue · ΔE 14.9Dark slateblue · ΔE 17.5Indigo · ΔE 17.6Purple · ΔE 19.9Dark magenta · ΔE 24.2
Nearest named CSS colourRebecca purple (#663399)ΔE 13.58, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#397018
Analogous#231870, #701865
Triadic#704F18, #18704F
Split complementary#657018, #187023
Tetradic#702318, #397018, #186570

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B873E1
Lighter +30%#A249D8
Lighter +20%#8A2AC4
Lighter +10%#6D219A
Darker −10%#310F46
Darker −20%#14061C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#530781
Less saturated −25%#4B295F

Channel breakdown

R79
G24
B112
Red79 (31%)
Green24 (9.4%)
Blue112 (43.9%)
Hue277.5°
Saturation (HSL)64.71%
Lightness26.67%
Dominant channelBlue
Hex per channelR 4F · G 18 · B 70

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Every value on this page was computed from “4f1870” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.