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Recognised as Colour

#3F33EE

  • #3F33EE
  • Blue
  • Dark
  • Nearest: Medium blue

#3F33EE is a blue with RGB values 63, 51, 238 and HSL 244°, 85%, 57%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3F33EE#3F33EE
HEX#3F33EE
RGBrgb(63, 51, 238)
RGB (0–1)0.2471, 0.2, 0.9333
RGB percentages24.7%, 20%, 93.3%
HSLhsl(243.9, 84.6%, 56.7%)
HSV / HSBhsv(243.9, 78.6%, 93.3%)
CMYK73.5%, 78.6%, 0%, 6.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,142,062
CSS custom property--colour: #3F33EE;

Brightness & contrast

Relative luminance0.09597WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.19:1
Contrast with white7.19:1WCAG normal text: AAA
Contrast with black2.92:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#C0CC11

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0060F3no red cones; affects about 1% of men; ΔE 30.5 from the original
Deuteranopia#004EEBno green cones; the most common form, about 1% of men; ΔE 20.3 from the original
Tritanopia#006D91no blue cones; rare, and affects men and women equally; ΔE 97.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.19:1WCAG large text: AAA
Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.4Blue violet · ΔE 18.2Dark violet · ΔE 24.8Blue · ΔE 25.3Dark orchid · ΔE 30.9Dark blue · ΔE 33
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E2EE33
Analogous#3384EE, #9D33EE
Triadic#EE3F33, #33EE3F
Split complementary#EE9D33, #84EE33
Tetradic#EE3384, #E2EE33, #33EE9D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0EFFE
Lighter +30%#C4C0FA
Lighter +20%#9891F6
Lighter +10%#6B62F2
Darker −10%#1F12DC
Darker −20%#190EAD
Darker −30%#120A7E
Darker −40%#0B074E
More saturated +25%#3022FF
Less saturated −25%#574FD2

Channel breakdown

R63
G51
B238
Red63 (24.7%)
Green51 (20%)
Blue238 (93.3%)
Hue243.85°
Saturation (HSL)84.62%
Lightness56.67%
Dominant channelBlue
Hex per channelR 3F · G 33 · B EE

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Every value on this page was computed from “3f33ee” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.