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Colour

#0064FB

  • #0064FB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0064FB is a blue with RGB values 0, 100, 251 and HSL 216°, 100%, 49%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0064FB#0064FB
HEX#0064FB
RGBrgb(0, 100, 251)
RGB (0–1)0, 0.3922, 0.9843
RGB percentages0%, 39.2%, 98.4%
HSLhsl(216.1, 100%, 49.2%)
HSV / HSBhsv(216.1, 100%, 98.4%)
CMYK100%, 60.2%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer25,851
CSS custom property--colour: #0064FB;

Brightness & contrast

Relative luminance0.16079WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.98:1
Contrast with white4.98:1WCAG normal text: AA
Contrast with black4.22:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#FF9B04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007AFFno red cones; affects about 1% of men; ΔE 15.8 from the original
Deuteranopia#0065F8no green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#008CA6no blue cones; rare, and affects men and women equally; ΔE 81.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.98:1WCAG large text: AAA
Contrast with black, large text4.22:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 17.6Royal blue · ΔE 18.1Slate blue · ΔE 23.5Medium purple · ΔE 32.1Dodgerblue · ΔE 33Blue violet · ΔE 35.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FB9700
Analogous#00E2FB, #1900FB
Triadic#FB0064, #64FB00
Split complementary#FB1A00, #E1FB00
Tetradic#FB00E2, #FB9700, #00FB19

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8DEFF
Lighter +30%#95BFFF
Lighter +20%#62A1FF
Lighter +10%#2F82FF
Darker −10%#0050C8
Darker −20%#003B95
Darker −30%#002762
Darker −40%#00132F
More saturated +25%#0064FB
Less saturated −25%#1F6ADC

Channel breakdown

R0
G100
B251
Red0 (0%)
Green100 (39.2%)
Blue251 (98.4%)
Hue216.1°
Saturation (HSL)100%
Lightness49.22%
Dominant channelBlue
Hex per channelR 00 · G 64 · B FB

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Every value on this page was computed from “0064fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.