Nerdulator> put something in

Recognised as Colour

#3F5CFA

  • #3F5CFA
  • Blue
  • Dark
  • Nearest: Medium slateblue

#3F5CFA is a blue with RGB values 63, 92, 250 and HSL 231°, 95%, 61%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#3F5CFA#3F5CFA
HEX#3F5CFA
RGBrgb(63, 92, 250)
RGB (0–1)0.2471, 0.3608, 0.9804
RGB percentages24.7%, 36.1%, 98%
HSLhsl(230.7, 94.9%, 61.4%)
HSV / HSBhsv(230.7, 74.8%, 98%)
CMYK74.8%, 63.2%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,152,570
CSS custom property--colour: #3F5CFA;

Brightness & contrast

Relative luminance0.15613WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.09:1
Contrast with white5.09:1WCAG normal text: AA
Contrast with black4.12:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#C0A305

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0077FFno red cones; affects about 1% of men; ΔE 20.5 from the original
Deuteranopia#0065F7no green cones; the most common form, about 1% of men; ΔE 10.4 from the original
Tritanopia#0086A3no blue cones; rare, and affects men and women equally; ΔE 85.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.09:1WCAG large text: AAA
Contrast with black, large text4.12:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 17.2Royal blue · ΔE 23.3Slate blue · ΔE 24.8Blue violet · ΔE 28.1Dark orchid · ΔE 31Medium purple · ΔE 33.2
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FADD3F
Analogous#3FB9FA, #803FFA
Triadic#FA3F5C, #5CFA3F
Split complementary#FA7F3F, #BAFA3F
Tetradic#FA3FB9, #FADD3F, #3FFA7F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D4DBFE
Lighter +20%#A2B0FD
Lighter +10%#7186FB
Darker −10%#0D32F9
Darker −20%#0524CE
Darker −30%#041C9C
Darker −40%#03136A
More saturated +25%#3A59FF
Less saturated −25%#586DE1

Channel breakdown

R63
G92
B250
Red63 (24.7%)
Green92 (36.1%)
Blue250 (98%)
Hue230.7°
Saturation (HSL)94.92%
Lightness61.37%
Dominant channelBlue
Hex per channelR 3F · G 5C · B FA

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 “3f5cfa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.