Nerdulator> put something in

Colour

#2A00AA

  • #2A00AA
  • Blue
  • Dark
  • Nearest: Dark blue

#2A00AA is a blue with RGB values 42, 0, 170 and HSL 255°, 100%, 33%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2A00AA#2A00AA
HEX#2A00AA
RGBrgb(42, 0, 170)
RGB (0–1)0.1647, 0, 0.6667
RGB percentages16.5%, 0%, 66.7%
HSLhsl(254.8, 100%, 33.3%)
HSV / HSBhsv(254.8, 100%, 66.7%)
CMYK75.3%, 100%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,752,682
CSS custom property--colour: #2A00AA;

Brightness & contrast

Relative luminance0.03395WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.51:1
Contrast with white12.51:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#D5FF55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003AAEno red cones; affects about 1% of men; ΔE 29.8 from the original
Deuteranopia#002CA8no green cones; the most common form, about 1% of men; ΔE 21.7 from the original
Tritanopia#004462no blue cones; rare, and affects men and women equally; ΔE 84.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.51:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Dark blue · ΔE 13.5Medium blue · ΔE 17.5Navy · ΔE 18.6Blue violet · ΔE 23.3Indigo · ΔE 24.2Dark violet · ΔE 25.6
Nearest named CSS colourDark blue (#00008B)ΔE 13.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#80AA00
Analogous#002BAA, #7F00AA
Triadic#AA2A00, #00AA2A
Split complementary#AA7F00, #2BAA00
Tetradic#AA002B, #80AA00, #00AA7F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9977FF
Lighter +30%#7244FF
Lighter +20%#4C11FF
Lighter +10%#3700DD
Darker −10%#1D0077
Darker −20%#110044
Darker −30%#040011
Darker −40%#000000
More saturated +25%#2A00AA
Less saturated −25%#351595

Channel breakdown

R42
G0
B170
Red42 (16.5%)
Green0 (0%)
Blue170 (66.7%)
Hue254.82°
Saturation (HSL)100%
Lightness33.33%
Dominant channelBlue
Hex per channelR 2A · G 00 · 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 “2a00aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.