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Colour

#4550FB

  • #4550FB
  • Blue
  • Dark
  • Nearest: Blue violet

#4550FB is a blue with RGB values 69, 80, 251 and HSL 236°, 96%, 63%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#4550FB#4550FB
HEX#4550FB
RGBrgb(69, 80, 251)
RGB (0–1)0.2706, 0.3137, 0.9843
RGB percentages27.1%, 31.4%, 98.4%
HSLhsl(236.4, 95.8%, 62.7%)
HSV / HSBhsv(236.4, 72.5%, 98.4%)
CMYK72.5%, 68.1%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,542,715
CSS custom property--colour: #4550FB;

Brightness & contrast

Relative luminance0.13968WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.54:1
Contrast with white5.54:1WCAG normal text: AA
Contrast with black3.79:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#BAAF04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071FFno red cones; affects about 1% of men; ΔE 25.1 from the original
Deuteranopia#0060F8no green cones; the most common form, about 1% of men; ΔE 15.3 from the original
Tritanopia#007F9Fno blue cones; rare, and affects men and women equally; ΔE 91.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.54:1WCAG large text: AAA
Contrast with black, large text3.79:1WCAG large text: AA

Named colours

Blue violet · ΔE 22Medium slateblue · ΔE 24Medium blue · ΔE 25.8Dark orchid · ΔE 29.4Dark violet · ΔE 30.1Slate blue · ΔE 31.8
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 21.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBF045
Analogous#45ABFB, #9545FB
Triadic#FB4550, #50FB45
Split complementary#FB9545, #ABFB45
Tetradic#FB45AB, #FBF045, #45FB95

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DBDDFE
Lighter +20%#A9AEFD
Lighter +10%#777FFC
Darker −10%#1321FA
Darker −20%#0511D5
Darker −30%#040DA3
Darker −40%#020972
More saturated +25%#414CFF
Less saturated −25%#5D65E3

Channel breakdown

R69
G80
B251
Red69 (27.1%)
Green80 (31.4%)
Blue251 (98.4%)
Hue236.37°
Saturation (HSL)95.79%
Lightness62.75%
Dominant channelBlue
Hex per channelR 45 · G 50 · B FB

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Every value on this page was computed from “4550fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.