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Recognised as Colour

#425CD9

  • #425CD9
  • Blue
  • Dark
  • Nearest: Royal blue

#425CD9 is a blue with RGB values 66, 92, 217 and HSL 230°, 67%, 55%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#425CD9#425CD9
HEX#425CD9
RGBrgb(66, 92, 217)
RGB (0–1)0.2588, 0.3608, 0.851
RGB percentages25.9%, 36.1%, 85.1%
HSLhsl(229.7, 66.5%, 55.5%)
HSV / HSBhsv(229.7, 69.6%, 85.1%)
CMYK69.6%, 57.6%, 0%, 14.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,349,145
CSS custom property--colour: #425CD9;

Brightness & contrast

Relative luminance0.13822WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.58:1
Contrast with white5.58:1WCAG normal text: AA
Contrast with black3.76:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#BDA326

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006FDDno red cones; affects about 1% of men; ΔE 16.4 from the original
Deuteranopia#0061D7no green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#007B91no blue cones; rare, and affects men and women equally; ΔE 70.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.58:1WCAG large text: AAA
Contrast with black, large text3.76:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.9Slate blue · ΔE 10.2Medium slateblue · ΔE 12.5Medium purple · ΔE 20.8Rebecca purple · ΔE 25.3Dodgerblue · ΔE 26.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.92, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D9BF42
Analogous#42A7D9, #7442D9
Triadic#D9425C, #5CD942
Split complementary#D97442, #A7D942
Tetradic#D942A7, #D9BF42, #42D974

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECEEFB
Lighter +30%#C1CAF3
Lighter +20%#97A5EA
Lighter +10%#6C81E2
Darker −10%#2741C1
Darker −20%#1E3397
Darker −30%#16256C
Darker −40%#0D1642
More saturated +25%#2649F5
Less saturated −25%#5E6FBD

Channel breakdown

R66
G92
B217
Red66 (25.9%)
Green92 (36.1%)
Blue217 (85.1%)
Hue229.67°
Saturation (HSL)66.52%
Lightness55.49%
Dominant channelBlue
Hex per channelR 42 · G 5C · B D9

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Every value on this page was computed from “425cd9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.