Nerdulator> put something in

Recognised as Colour

#2A2159

  • #2A2159
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2A2159 is a blue with RGB values 42, 33, 89 and HSL 250°, 46%, 24%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2A2159#2A2159
HEX#2A2159
RGBrgb(42, 33, 89)
RGB (0–1)0.1647, 0.1294, 0.349
RGB percentages16.5%, 12.9%, 34.9%
HSLhsl(249.6, 45.9%, 23.9%)
HSV / HSBhsv(249.6, 62.9%, 34.9%)
CMYK52.8%, 62.9%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,761,049
CSS custom property--colour: #2A2159;

Brightness & contrast

Relative luminance0.02301WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.38:1
Contrast with white14.38:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#D5DEA6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002B5Bno red cones; affects about 1% of men; ΔE 13.3 from the original
Deuteranopia#002858no green cones; the most common form, about 1% of men; ΔE 12.4 from the original
Tritanopia#1A2E39no blue cones; rare, and affects men and women equally; ΔE 34.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.38:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.6Midnight blue · ΔE 20.2Rebecca purple · ΔE 30.8Indigo · ΔE 37.3Purple · ΔE 40.3Slate blue · ΔE 40.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#505921
Analogous#213459, #462159
Triadic#592A21, #21592A
Split complementary#594621, #345921
Tetradic#592134, #505921, #215946

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8679CD
Lighter +30%#6554BF
Lighter +20%#4D3DA3
Lighter +10%#3C2F7E
Darker −10%#181334
Darker −20%#07050F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#201268
Less saturated −25%#34304A

Channel breakdown

R42
G33
B89
Red42 (16.5%)
Green33 (12.9%)
Blue89 (34.9%)
Hue249.64°
Saturation (HSL)45.9%
Lightness23.92%
Dominant channelBlue
Hex per channelR 2A · G 21 · B 59

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 “2a2159” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.