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Recognised as Colour

#22559E

  • #22559E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#22559E is a blue with RGB values 34, 85, 158 and HSL 215°, 65%, 38%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#22559E#22559E
HEX#22559E
RGBrgb(34, 85, 158)
RGB (0–1)0.1333, 0.3333, 0.6196
RGB percentages13.3%, 33.3%, 62%
HSLhsl(215.3, 64.6%, 37.6%)
HSV / HSBhsv(215.3, 78.5%, 62%)
CMYK78.5%, 46.2%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,250,142
CSS custom property--colour: #22559E;

Brightness & contrast

Relative luminance0.09306WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.34:1
Contrast with white7.34:1WCAG normal text: AAA
Contrast with black2.86:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#DDAA61

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2F5CA1no red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#12519Dno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#006672no blue cones; rare, and affects men and women equally; ΔE 43.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.34:1WCAG large text: AAA
Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.1Steel blue · ΔE 24.6Cornflower blue · ΔE 25.8Royal blue · ΔE 28.6Dodgerblue · ΔE 29.6Midnight blue · ΔE 30.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E6B22
Analogous#22939E, #2D229E
Triadic#9E2255, #559E22
Split complementary#9E2D22, #939E22
Tetradic#9E2293, #9E6B22, #229E2D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1BFEB
Lighter +30%#77A3E2
Lighter +20%#4D87D9
Lighter +10%#2B6CC8
Darker −10%#193E74
Darker −20%#10284A
Darker −30%#071120
Darker −40%#000000
More saturated +25%#0A51B6
Less saturated −25%#3A5986

Channel breakdown

R34
G85
B158
Red34 (13.3%)
Green85 (33.3%)
Blue158 (62%)
Hue215.32°
Saturation (HSL)64.58%
Lightness37.65%
Dominant channelBlue
Hex per channelR 22 · G 55 · B 9E

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Every value on this page was computed from “22559e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.