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Colour

#22286E

  • #22286E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#22286E is a blue with RGB values 34, 40, 110 and HSL 235°, 53%, 28%. 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

#22286E#22286E
HEX#22286E
RGBrgb(34, 40, 110)
RGB (0–1)0.1333, 0.1569, 0.4314
RGB percentages13.3%, 15.7%, 43.1%
HSLhsl(235.3, 52.8%, 28.2%)
HSV / HSBhsv(235.3, 69.1%, 43.1%)
CMYK69.1%, 63.6%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,238,574
CSS custom property--colour: #22286E;

Brightness & contrast

Relative luminance0.02983WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.15:1
Contrast with white13.15:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#DDD791

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003470no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#002D6Dno green cones; the most common form, about 1% of men; ΔE 7.8 from the original
Tritanopia#003947no blue cones; rare, and affects men and women equally; ΔE 43.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.15:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.5Midnight blue · ΔE 13.2Rebecca purple · ΔE 25.1Indigo · ΔE 31.8Slate blue · ΔE 33.2Navy · ΔE 35.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6E6822
Analogous#224E6E, #42226E
Triadic#6E2228, #286E22
Split complementary#6E4222, #4E6E22
Tetradic#6E224E, #6E6822, #226E42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#838AD9
Lighter +30%#5C65CD
Lighter +20%#3A44BC
Lighter +10%#2E3695
Darker −10%#161A47
Darker −20%#0A0C20
Darker −30%#000000
Darker −40%#000000
More saturated +25%#101980
Less saturated −25%#34375C

Channel breakdown

R34
G40
B110
Red34 (13.3%)
Green40 (15.7%)
Blue110 (43.1%)
Hue235.26°
Saturation (HSL)52.78%
Lightness28.24%
Dominant channelBlue
Hex per channelR 22 · G 28 · B 6E

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Every value on this page was computed from “22286e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.