Nerdulator> put something in

Recognised as Colour

#3F349E

  • #3F349E
  • Blue
  • Dark
  • Nearest: Rebecca purple

#3F349E is a blue with RGB values 63, 52, 158 and HSL 246°, 50%, 41%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#3F349E#3F349E
HEX#3F349E
RGBrgb(63, 52, 158)
RGB (0–1)0.2471, 0.2039, 0.6196
RGB percentages24.7%, 20.4%, 62%
HSLhsl(246.2, 50.5%, 41.2%)
HSV / HSBhsv(246.2, 67.1%, 62%)
CMYK60.1%, 67.1%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,142,238
CSS custom property--colour: #3F349E;

Brightness & contrast

Relative luminance0.05981WCAG 2.x, 0 is black and 1 is white
Perceived brightness75 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.56:1
Contrast with white9.56:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#C0CB61

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049A1no red cones; affects about 1% of men; ΔE 19.6 from the original
Deuteranopia#00419Cno green cones; the most common form, about 1% of men; ΔE 15.8 from the original
Tritanopia#004F64no blue cones; rare, and affects men and women equally; ΔE 61.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.56:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 11.8Midnight blue · ΔE 15.6Slate blue · ΔE 16.1Dark slateblue · ΔE 17.3Indigo · ΔE 18.2Navy · ΔE 21.7
Nearest named CSS colourRebecca purple (#663399)ΔE 11.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#939E34
Analogous#345E9E, #74349E
Triadic#9E3F34, #349E3F
Split complementary#9E7434, #5E9E34
Tetradic#9E345E, #939E34, #349E74

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCB7E7
Lighter +30%#9890DB
Lighter +20%#746ACE
Lighter +10%#5144C1
Darker −10%#302778
Darker −20%#201B51
Darker −30%#110E2B
Darker −40%#020105
More saturated +25%#2A1AB8
Less saturated −25%#544E84

Channel breakdown

R63
G52
B158
Red63 (24.7%)
Green52 (20.4%)
Blue158 (62%)
Hue246.23°
Saturation (HSL)50.48%
Lightness41.18%
Dominant channelBlue
Hex per channelR 3F · G 34 · B 9E

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 “3f349e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.