Nerdulator> put something in

Recognised as Colour

#3F82FD

  • #3F82FD
  • Blue
  • Dark
  • Nearest: Royal blue

#3F82FD is a blue with RGB values 63, 130, 253 and HSL 219°, 98%, 62%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3F82FD#3F82FD
HEX#3F82FD
RGBrgb(63, 130, 253)
RGB (0–1)0.2471, 0.5098, 0.9922
RGB percentages24.7%, 51%, 99.2%
HSLhsl(218.8, 97.9%, 62%)
HSV / HSBhsv(218.8, 75.1%, 99.2%)
CMYK75.1%, 48.6%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,162,301
CSS custom property--colour: #3F82FD;

Brightness & contrast

Relative luminance0.24114WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.82:1
Contrast with white3.61:1WCAG normal text: Fail
Contrast with black5.82:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#C07D02

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3990FFno red cones; affects about 1% of men; ΔE 10.4 from the original
Deuteranopia#007FFBno green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#009FB3no blue cones; rare, and affects men and women equally; ΔE 67.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.61:1WCAG large text: AA
Contrast with black, large text5.82:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.4Dodgerblue · ΔE 11.7Medium slateblue · ΔE 21Slate blue · ΔE 21.2Cornflower blue · ΔE 22Medium purple · ΔE 23.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDBA3F
Analogous#3FE1FD, #5B3FFD
Triadic#FD3F82, #82FD3F
Split complementary#FD5B3F, #E1FD3F
Tetradic#FD3FE1, #FDBA3F, #3FFD5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D6E5FF
Lighter +20%#A4C4FE
Lighter +10%#71A3FE
Darker −10%#0D61FC
Darker −20%#024CD4
Darker −30%#023AA1
Darker −40%#01286F
More saturated +25%#3D81FF
Less saturated −25%#5789E5

Channel breakdown

R63
G130
B253
Red63 (24.7%)
Green130 (51%)
Blue253 (99.2%)
Hue218.84°
Saturation (HSL)97.94%
Lightness61.96%
Dominant channelBlue
Hex per channelR 3F · G 82 · B FD

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 “3f82fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.