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Colour

#224D99

  • #224D99
  • Blue
  • Dark
  • Nearest: Dark slateblue

#224D99 is a blue with RGB values 34, 77, 153 and HSL 218°, 64%, 37%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#224D99#224D99
HEX#224D99
RGBrgb(34, 77, 153)
RGB (0–1)0.1333, 0.302, 0.6
RGB percentages13.3%, 30.2%, 60%
HSLhsl(218.3, 63.6%, 36.7%)
HSV / HSBhsv(218.3, 77.8%, 60%)
CMYK77.8%, 49.7%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,248,089
CSS custom property--colour: #224D99;

Brightness & contrast

Relative luminance0.07948WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.11:1
Contrast with white8.11:1WCAG normal text: AAA
Contrast with black2.59:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#DDB266

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#21559Cno red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#004B97no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#005F6Bno blue cones; rare, and affects men and women equally; ΔE 45.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.11:1WCAG large text: AAA
Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.5Midnight blue · ΔE 25.9Royal blue · ΔE 27.1Slate blue · ΔE 28Cornflower blue · ΔE 28.6Steel blue · ΔE 29
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#996E22
Analogous#228899, #332299
Triadic#99224D, #4D9922
Split complementary#993322, #889922
Tetradic#992288, #996E22, #229933

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EB9E9
Lighter +30%#749BE0
Lighter +20%#4A7DD7
Lighter +10%#2B62C3
Darker −10%#19386F
Darker −20%#0F2346
Darker −30%#060E1C
Darker −40%#000000
More saturated +25%#0B47B0
Less saturated −25%#395382

Channel breakdown

R34
G77
B153
Red34 (13.3%)
Green77 (30.2%)
Blue153 (60%)
Hue218.32°
Saturation (HSL)63.64%
Lightness36.67%
Dominant channelBlue
Hex per channelR 22 · G 4D · B 99

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Every value on this page was computed from “224d99” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.