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Recognised as Colour

#301F52

  • #301F52
  • Violet
  • Dark
  • Nearest: Dark slateblue

#301F52 is a violet with RGB values 48, 31, 82 and HSL 260°, 45%, 22%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#301F52#301F52
HEX#301F52
RGBrgb(48, 31, 82)
RGB (0–1)0.1882, 0.1216, 0.3216
RGB percentages18.8%, 12.2%, 32.2%
HSLhsl(260, 45.1%, 22.2%)
HSV / HSBhsv(260, 62.2%, 32.2%)
CMYK41.5%, 62.2%, 0%, 67.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,153,746
CSS custom property--colour: #301F52;

Brightness & contrast

Relative luminance0.02218WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.55:1
Contrast with white14.55:1WCAG normal text: AAA
Contrast with black1.44:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#CFE0AD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#052954no red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#0B2851no green cones; the most common form, about 1% of men; ΔE 14.9 from the original
Tritanopia#282A35no blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.55:1WCAG large text: AAA
Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.3Midnight blue · ΔE 23.5Rebecca purple · ΔE 32.8Black · ΔE 39.3Indigo · ΔE 39.3Purple · ΔE 40.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.26, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#41521F
Analogous#1F2752, #4A1F52
Triadic#52301F, #1F5230
Split complementary#524A1F, #28521F
Tetradic#521F28, #41521F, #1F524A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9073CA
Lighter +30%#734EBC
Lighter +20%#5B3B9C
Lighter +10%#462D77
Darker −10%#1A112D
Darker −20%#050308
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2B1160
Less saturated −25%#352D44

Channel breakdown

R48
G31
B82
Red48 (18.8%)
Green31 (12.2%)
Blue82 (32.2%)
Hue260°
Saturation (HSL)45.13%
Lightness22.16%
Dominant channelBlue
Hex per channelR 30 · G 1F · B 52

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Every value on this page was computed from “301f52” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.