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Colour

#4000FB

  • #4000FB
  • Violet
  • Dark
  • Nearest: Blue

#4000FB is a violet with RGB values 64, 0, 251 and HSL 255°, 100%, 49%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#4000FB#4000FB
HEX#4000FB
RGBrgb(64, 0, 251)
RGB (0–1)0.251, 0, 0.9843
RGB percentages25.1%, 0%, 98.4%
HSLhsl(255.3, 100%, 49.2%)
HSV / HSBhsv(255.3, 100%, 98.4%)
CMYK74.5%, 100%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,194,555
CSS custom property--colour: #4000FB;

Brightness & contrast

Relative luminance0.08055WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.7 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#202020
Inverted#BFFF04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005AFFno red cones; affects about 1% of men; ΔE 41.1 from the original
Deuteranopia#0045F7no green cones; the most common form, about 1% of men; ΔE 29.3 from the original
Tritanopia#006893no blue cones; rare, and affects men and women equally; ΔE 113.9 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

Blue · ΔE 5.6Medium blue · ΔE 18.6Blue violet · ΔE 30.4Dark violet · ΔE 32.8Dark orchid · ΔE 45.6Dark blue · ΔE 48.4
Nearest named CSS colourBlue (#0000FF)ΔE 5.6, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBFB00
Analogous#003EFB, #BD00FB
Triadic#FB4000, #00FB40
Split complementary#FBBD00, #3EFB00
Tetradic#FB003E, #BBFB00, #00FBBD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6C8FF
Lighter +30%#B095FF
Lighter +20%#8A62FF
Lighter +10%#642FFF
Darker −10%#3300C8
Darker −20%#260095
Darker −30%#190062
Darker −40%#0C002F
More saturated +25%#4000FB
Less saturated −25%#4F1FDC

Channel breakdown

R64
G0
B251
Red64 (25.1%)
Green0 (0%)
Blue251 (98.4%)
Hue255.3°
Saturation (HSL)100%
Lightness49.22%
Dominant channelBlue
Hex per channelR 40 · G 00 · B FB

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Every value on this page was computed from “4000fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.