Nerdulator> put something in

Recognised as Colour

#2245AA

  • #2245AA
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2245AA is a blue with RGB values 34, 69, 170 and HSL 225°, 67%, 40%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2245AA#2245AA
HEX#2245AA
RGBrgb(34, 69, 170)
RGB (0–1)0.1333, 0.2706, 0.6667
RGB percentages13.3%, 27.1%, 66.7%
HSLhsl(224.6, 66.7%, 40%)
HSV / HSBhsv(224.6, 80%, 66.7%)
CMYK80%, 59.4%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,246,058
CSS custom property--colour: #2245AA;

Brightness & contrast

Relative luminance0.07499WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.4:1
Contrast with white8.4:1WCAG normal text: AAA
Contrast with black2.5:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#DDBA55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0054ADno red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#0047A8no green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#005F70no blue cones; rare, and affects men and women equally; ΔE 59.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.4:1WCAG large text: AAA
Contrast with black, large text2.5:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.7Slate blue · ΔE 16.3Royal blue · ΔE 16.8Midnight blue · ΔE 19.8Rebecca purple · ΔE 20.3Medium purple · ΔE 25.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA8722
Analogous#2289AA, #4322AA
Triadic#AA2245, #45AA22
Split complementary#AA4322, #89AA22
Tetradic#AA2289, #AA8722, #22AA43

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AABCEE
Lighter +30%#7F9AE5
Lighter +20%#5578DD
Lighter +10%#2A56D5
Darker −10%#193480
Darker −20%#112355
Darker −30%#09112B
Darker −40%#000000
More saturated +25%#0839C4
Less saturated −25%#3B5191

Channel breakdown

R34
G69
B170
Red34 (13.3%)
Green69 (27.1%)
Blue170 (66.7%)
Hue224.56°
Saturation (HSL)66.67%
Lightness40%
Dominant channelBlue
Hex per channelR 22 · G 45 · B AA

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “2245aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.