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Colour

#0025AA

  • #0025AA
  • Blue
  • Dark
  • Nearest: Dark blue

#0025AA is a blue with RGB values 0, 37, 170 and HSL 227°, 100%, 33%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0025AA#0025AA
HEX#0025AA
RGBrgb(0, 37, 170)
RGB (0–1)0, 0.1451, 0.6667
RGB percentages0%, 14.5%, 66.7%
HSLhsl(226.9, 100%, 33.3%)
HSV / HSBhsv(226.9, 100%, 66.7%)
CMYK100%, 78.2%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,642
CSS custom property--colour: #0025AA;

Brightness & contrast

Relative luminance0.04225WCAG 2.x, 0 is black and 1 is white
Perceived brightness64 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.38:1
Contrast with white11.38:1WCAG normal text: AAA
Contrast with black1.85:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#FFDA55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0042AEno red cones; affects about 1% of men; ΔE 20.9 from the original
Deuteranopia#0032A8no green cones; the most common form, about 1% of men; ΔE 10.7 from the original
Tritanopia#004E67no blue cones; rare, and affects men and women equally; ΔE 75.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.38:1WCAG large text: AAA
Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Dark blue · ΔE 11.9Navy · ΔE 13.8Indigo · ΔE 20.2Rebecca purple · ΔE 26Slate blue · ΔE 26.4Midnight blue · ΔE 26.8
Nearest named CSS colourDark blue (#00008B)ΔE 11.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA8500
Analogous#007AAA, #3000AA
Triadic#AA0025, #25AA00
Split complementary#AA3000, #7AAA00
Tetradic#AA007A, #AA8500, #00AA30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7795FF
Lighter +30%#446DFF
Lighter +20%#1145FF
Lighter +10%#0030DD
Darker −10%#001A77
Darker −20%#000F44
Darker −30%#000411
Darker −40%#000000
More saturated +25%#0025AA
Less saturated −25%#153195

Channel breakdown

R0
G37
B170
Red0 (0%)
Green37 (14.5%)
Blue170 (66.7%)
Hue226.94°
Saturation (HSL)100%
Lightness33.33%
Dominant channelBlue
Hex per channelR 00 · G 25 · B AA

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Every value on this page was computed from “0025aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.