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Recognised as Colour

#22408F

  • #22408F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#22408F is a blue with RGB values 34, 64, 143 and HSL 223°, 62%, 35%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#22408F#22408F
HEX#22408F
RGBrgb(34, 64, 143)
RGB (0–1)0.1333, 0.251, 0.5608
RGB percentages13.3%, 25.1%, 56.1%
HSLhsl(223.5, 61.6%, 34.7%)
HSV / HSBhsv(223.5, 76.2%, 56.1%)
CMYK76.2%, 55.2%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,244,751
CSS custom property--colour: #22408F;

Brightness & contrast

Relative luminance0.0599WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.55:1
Contrast with white9.55:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#DDBF70

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004A92no red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#00408Dno green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#005361no blue cones; rare, and affects men and women equally; ΔE 47.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.55:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 9.3Midnight blue · ΔE 19.2Rebecca purple · ΔE 24.8Slate blue · ΔE 26.1Royal blue · ΔE 27.1Medium purple · ΔE 31.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.25, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F7122
Analogous#22778F, #3A228F
Triadic#8F2240, #408F22
Split complementary#8F3A22, #778F22
Tetradic#8F2277, #8F7122, #228F3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#97ADE6
Lighter +30%#6E8CDC
Lighter +20%#446CD3
Lighter +10%#2C52B8
Darker −10%#182E66
Darker −20%#0E1B3D
Darker −30%#050913
Darker −40%#000000
More saturated +25%#0C36A5
Less saturated −25%#384A79

Channel breakdown

R34
G64
B143
Red34 (13.3%)
Green64 (25.1%)
Blue143 (56.1%)
Hue223.49°
Saturation (HSL)61.58%
Lightness34.71%
Dominant channelBlue
Hex per channelR 22 · G 40 · B 8F

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Every value on this page was computed from “22408f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.