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Recognised as Colour

#225DAD

  • #225DAD
  • Blue
  • Dark
  • Nearest: Dark slateblue

#225DAD is a blue with RGB values 34, 93, 173 and HSL 215°, 67%, 41%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#225DAD#225DAD
HEX#225DAD
RGBrgb(34, 93, 173)
RGB (0–1)0.1333, 0.3647, 0.6784
RGB percentages13.3%, 36.5%, 67.8%
HSLhsl(214.5, 67.1%, 40.6%)
HSV / HSBhsv(214.5, 80.3%, 67.8%)
CMYK80.3%, 46.2%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,252,205
CSS custom property--colour: #225DAD;

Brightness & contrast

Relative luminance0.11186WCAG 2.x, 0 is black and 1 is white
Perceived brightness94 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.49:1
Contrast with white6.49:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#DDA252

Colour vision & accessibility

Protanopia#3265B0no red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#0F58ABno green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#00707Cno blue cones; rare, and affects men and women equally; ΔE 47.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.49:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#AD7222
Analogous#22A3AD, #2C22AD
Triadic#AD225D, #5DAD22
Split complementary#AD2D22, #A3AD22
Tetradic#AD22A3, #AD7222, #22AD2D

Tints, shades & saturation

Lighter +40%#ACC8EF
Lighter +30%#82ACE6
Lighter +20%#5790DE
Lighter +10%#2C74D6
Darker −10%#1A4682
Darker −20%#112F58
Darker −30%#09182D
Darker −40%#000103
More saturated +25%#0859C7
Less saturated −25%#3C6193

Channel breakdown

R34
G93
B173
Red34 (13.3%)
Green93 (36.5%)
Blue173 (67.8%)
Hue214.53°
Saturation (HSL)67.15%
Lightness40.59%
Dominant channelBlue
Hex per channelR 22 · G 5D · B AD

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Every value on this page was computed from “225dad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.