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Recognised as Colour

#2550FF

  • #2550FF
  • Blue
  • Dark
  • Nearest: Blue violet

#2550FF is a blue with RGB values 37, 80, 255 and HSL 228°, 100%, 57%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#2550FF#2550FF
HEX#2550FF
RGBrgb(37, 80, 255)
RGB (0–1)0.1451, 0.3137, 1
RGB percentages14.5%, 31.4%, 100%
HSLhsl(228.2, 100%, 57.3%)
HSV / HSBhsv(228.2, 85.5%, 100%)
CMYK85.5%, 68.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,445,567
CSS custom property--colour: #2550FF;

Brightness & contrast

Relative luminance0.13351WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.72:1
Contrast with white5.72:1WCAG normal text: AA
Contrast with black3.67:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#DAAF00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071FFno red cones; affects about 1% of men; ΔE 26 from the original
Deuteranopia#005CFCno green cones; the most common form, about 1% of men; ΔE 10.9 from the original
Tritanopia#0081A2no blue cones; rare, and affects men and women equally; ΔE 93 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.72:1WCAG large text: AAA
Contrast with black, large text3.67:1WCAG large text: AA

Named colours

Blue violet · ΔE 24.8Medium blue · ΔE 25.2Medium slateblue · ΔE 27.2Dark violet · ΔE 32.8Dark orchid · ΔE 33.2Royal blue · ΔE 34.2
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 24.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFD425
Analogous#25BDFF, #6725FF
Triadic#FF2550, #50FF25
Split complementary#FF6725, #BDFF25
Tetradic#FF25BD, #FFD425, #25FF67

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F4FF
Lighter +30%#BECBFF
Lighter +20%#8BA2FF
Lighter +10%#5879FF
Darker −10%#0030F1
Darker −20%#0025BE
Darker −30%#001B8B
Darker −40%#001158
More saturated +25%#2550FF
Less saturated −25%#4061E4

Channel breakdown

R37
G80
B255
Red37 (14.5%)
Green80 (31.4%)
Blue255 (100%)
Hue228.17°
Saturation (HSL)100%
Lightness57.25%
Dominant channelBlue
Hex per channelR 25 · G 50 · B FF

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Every value on this page was computed from “2550ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.