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Colour

#2A2864

  • #2A2864
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2A2864 is a blue with RGB values 42, 40, 100 and HSL 242°, 43%, 27%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2A2864#2A2864
HEX#2A2864
RGBrgb(42, 40, 100)
RGB (0–1)0.1647, 0.1569, 0.3922
RGB percentages16.5%, 15.7%, 39.2%
HSLhsl(242, 42.9%, 27.5%)
HSV / HSBhsv(242, 60%, 39.2%)
CMYK58%, 60%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,762,852
CSS custom property--colour: #2A2864;

Brightness & contrast

Relative luminance0.0293WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.24:1
Contrast with white13.24:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#D5D79B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003266no red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#002E63no green cones; the most common form, about 1% of men; ΔE 10.9 from the original
Tritanopia#0F3641no blue cones; rare, and affects men and women equally; ΔE 38.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.24:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.3Midnight blue · ΔE 18.9Rebecca purple · ΔE 28.9Indigo · ΔE 36.5Slate blue · ΔE 37.6Purple · ΔE 40.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.33, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#626428
Analogous#284464, #482864
Triadic#642A28, #28642A
Split complementary#644828, #446428
Tetradic#642844, #626428, #286448

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8B88D0
Lighter +30%#6764C1
Lighter +20%#4945AD
Lighter +10%#393788
Darker −10%#1B1940
Darker −20%#0B0B1B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1A1676
Less saturated −25%#3A3A53

Channel breakdown

R42
G40
B100
Red42 (16.5%)
Green40 (15.7%)
Blue100 (39.2%)
Hue242°
Saturation (HSL)42.86%
Lightness27.45%
Dominant channelBlue
Hex per channelR 2A · G 28 · B 64

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Every value on this page was computed from “2a2864” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.