Nerdulator> put something in

Recognised as Colour

#3F334A

  • #3F334A
  • Violet
  • Dark
  • Nearest: Dark slate grey

#3F334A is a violet with RGB values 63, 51, 74 and HSL 271°, 18%, 25%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3F334A#3F334A
HEX#3F334A
RGBrgb(63, 51, 74)
RGB (0–1)0.2471, 0.2, 0.2902
RGB percentages24.7%, 20%, 29%
HSLhsl(271.3, 18.4%, 24.5%)
HSV / HSBhsv(271.3, 31.1%, 29%)
CMYK14.9%, 31.1%, 0%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,141,898
CSS custom property--colour: #3F334A;

Brightness & contrast

Relative luminance0.03919WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.77:1
Contrast with white11.77:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#C0CCB5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2F374Bno red cones; affects about 1% of men; ΔE 8.4 from the original
Deuteranopia#313849no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#3E363Bno blue cones; rare, and affects men and women equally; ΔE 12 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.77:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 25.2Dim grey · ΔE 26.5Black · ΔE 28.4Slate grey · ΔE 32.1Gray · ΔE 34.2Dark slateblue · ΔE 34.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 25.16, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3E4A33
Analogous#34334A, #4A334A
Triadic#4A3F33, #334A3F
Split complementary#4A4A33, #334A33
Tetradic#4A3433, #3E4A33, #334A4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A594B5
Lighter +30%#8C76A0
Lighter +20%#725D86
Lighter +10%#594868
Darker −10%#251E2C
Darker −20%#0C090E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#40235A
Less saturated −25%#3F3F3F

Channel breakdown

R63
G51
B74
Red63 (24.7%)
Green51 (20%)
Blue74 (29%)
Hue271.3°
Saturation (HSL)18.4%
Lightness24.51%
Dominant channelBlue
Hex per channelR 3F · G 33 · B 4A

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “3f334a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.