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Recognised as Colour

#3F28E2

  • #3F28E2
  • Blue
  • Dark
  • Nearest: Medium blue

#3F28E2 is a blue with RGB values 63, 40, 226 and HSL 247°, 76%, 52%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3F28E2#3F28E2
HEX#3F28E2
RGBrgb(63, 40, 226)
RGB (0–1)0.2471, 0.1569, 0.8863
RGB percentages24.7%, 15.7%, 88.6%
HSLhsl(247.4, 76.2%, 52.2%)
HSV / HSBhsv(247.4, 82.3%, 88.6%)
CMYK72.1%, 82.3%, 0%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,139,234
CSS custom property--colour: #3F28E2;

Brightness & contrast

Relative luminance0.08065WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.04:1
Contrast with white8.04:1WCAG normal text: AAA
Contrast with black2.61:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#C0D71D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0058E7no red cones; affects about 1% of men; ΔE 31.2 from the original
Deuteranopia#0048DFno green cones; the most common form, about 1% of men; ΔE 22.6 from the original
Tritanopia#006488no blue cones; rare, and affects men and women equally; ΔE 96.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.04:1WCAG large text: AAA
Contrast with black, large text2.61:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.5Blue violet · ΔE 17.2Dark violet · ΔE 23Blue · ΔE 25.4Dark orchid · ΔE 29.8Dark blue · ΔE 30.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 10.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CBE228
Analogous#286EE2, #9C28E2
Triadic#E23F28, #28E23F
Split complementary#E29C28, #6EE228
Tetradic#E2286E, #CBE228, #28E29C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0DCFA
Lighter +30%#B7AFF4
Lighter +20%#8F82EE
Lighter +10%#6755E8
Darker −10%#2E1ABD
Darker −20%#231391
Darker −30%#180D64
Darker −40%#0D0737
More saturated +25%#290BFF
Less saturated −25%#5646C3

Channel breakdown

R63
G40
B226
Red63 (24.7%)
Green40 (15.7%)
Blue226 (88.6%)
Hue247.42°
Saturation (HSL)76.23%
Lightness52.16%
Dominant channelBlue
Hex per channelR 3F · G 28 · B E2

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Every value on this page was computed from “3f28e2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.