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Colour

#2500AA

  • #2500AA
  • Blue
  • Dark
  • Nearest: Dark blue

#2500AA is a blue with RGB values 37, 0, 170 and HSL 253°, 100%, 33%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2500AA#2500AA
HEX#2500AA
RGBrgb(37, 0, 170)
RGB (0–1)0.1451, 0, 0.6667
RGB percentages14.5%, 0%, 66.7%
HSLhsl(253.1, 100%, 33.3%)
HSV / HSBhsv(253.1, 100%, 66.7%)
CMYK78.2%, 100%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,425,002
CSS custom property--colour: #2500AA;

Brightness & contrast

Relative luminance0.03296WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.66:1
Contrast with white12.66:1WCAG normal text: AAA
Contrast with black1.66:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#DAFF55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003AAEno red cones; affects about 1% of men; ΔE 30.1 from the original
Deuteranopia#002BA8no green cones; the most common form, about 1% of men; ΔE 21.2 from the original
Tritanopia#004462no blue cones; rare, and affects men and women equally; ΔE 85.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.66:1WCAG large text: AAA
Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Dark blue · ΔE 13.5Medium blue · ΔE 17.1Navy · ΔE 18.7Blue violet · ΔE 23.7Indigo · ΔE 24.8Dark violet · ΔE 26.1
Nearest named CSS colourDark blue (#00008B)ΔE 13.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#85AA00
Analogous#0030AA, #7A00AA
Triadic#AA2500, #00AA25
Split complementary#AA7A00, #30AA00
Tetradic#AA0030, #85AA00, #00AA7A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9577FF
Lighter +30%#6D44FF
Lighter +20%#4511FF
Lighter +10%#3000DD
Darker −10%#1A0077
Darker −20%#0F0044
Darker −30%#040011
Darker −40%#000000
More saturated +25%#2500AA
Less saturated −25%#311595

Channel breakdown

R37
G0
B170
Red37 (14.5%)
Green0 (0%)
Blue170 (66.7%)
Hue253.06°
Saturation (HSL)100%
Lightness33.33%
Dominant channelBlue
Hex per channelR 25 · G 00 · B AA

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Every value on this page was computed from “2500aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.