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Recognised as Colour

#3921FC

  • #3921FC
  • Blue
  • Dark
  • Nearest: Blue

#3921FC is a blue with RGB values 57, 33, 252 and HSL 247°, 97%, 56%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#3921FC#3921FC
HEX#3921FC
RGBrgb(57, 33, 252)
RGB (0–1)0.2235, 0.1294, 0.9882
RGB percentages22.4%, 12.9%, 98.8%
HSLhsl(246.6, 97.3%, 55.9%)
HSV / HSBhsv(246.6, 86.9%, 98.8%)
CMYK77.4%, 86.9%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,744,252
CSS custom property--colour: #3921FC;

Brightness & contrast

Relative luminance0.08986WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.51:1
Contrast with white7.51:1WCAG normal text: AAA
Contrast with black2.8:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#C6DE03

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FFFno red cones; affects about 1% of men; ΔE 37.6 from the original
Deuteranopia#004AF9no green cones; the most common form, about 1% of men; ΔE 24.6 from the original
Tritanopia#006E96no blue cones; rare, and affects men and women equally; ΔE 110 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.51:1WCAG large text: AAA
Contrast with black, large text2.8:1WCAG large text: Fail

Named colours

Blue · ΔE 11Medium blue · ΔE 14.9Blue violet · ΔE 26.2Dark violet · ΔE 30.1Dark orchid · ΔE 41.3Dark blue · ΔE 43.8
Nearest named CSS colourBlue (#0000FF)ΔE 10.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4FC21
Analogous#2176FC, #A721FC
Triadic#FC3921, #21FC39
Split complementary#FCA721, #76FC21
Tetradic#FC2176, #E4FC21, #21FCA7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDEAFF
Lighter +30%#C0B8FE
Lighter +20%#9386FD
Lighter +10%#6653FD
Darker −10%#1C03E7
Darker −20%#1602B5
Darker −30%#100282
Darker −40%#0A0150
More saturated +25%#371EFF
Less saturated −25%#4F3DE0

Channel breakdown

R57
G33
B252
Red57 (22.4%)
Green33 (12.9%)
Blue252 (98.8%)
Hue246.58°
Saturation (HSL)97.33%
Lightness55.88%
Dominant channelBlue
Hex per channelR 39 · G 21 · B FC

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Every value on this page was computed from “3921fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.