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Recognised as Colour

#22008C

  • #22008C
  • Blue
  • Dark
  • Nearest: Dark blue

#22008C is a blue with RGB values 34, 0, 140 and HSL 255°, 100%, 27%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#22008C#22008C
HEX#22008C
RGBrgb(34, 0, 140)
RGB (0–1)0.1333, 0, 0.549
RGB percentages13.3%, 0%, 54.9%
HSLhsl(254.6, 100%, 27.5%)
HSV / HSBhsv(254.6, 100%, 54.9%)
CMYK75.7%, 100%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,228,364
CSS custom property--colour: #22008C;

Brightness & contrast

Relative luminance0.02234WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.52:1
Contrast with white14.52:1WCAG normal text: AAA
Contrast with black1.45:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#DDFF73

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002E8Fno red cones; affects about 1% of men; ΔE 25.8 from the original
Deuteranopia#00238Ano green cones; the most common form, about 1% of men; ΔE 19.3 from the original
Tritanopia#003650no blue cones; rare, and affects men and women equally; ΔE 72.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.52:1WCAG large text: AAA
Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Dark blue · ΔE 3.4Navy · ΔE 5.5Indigo · ΔE 13.3Midnight blue · ΔE 25.6Rebecca purple · ΔE 26.3Dark orchid · ΔE 30.7
Nearest named CSS colourDark blue (#00008B)ΔE 3.36, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A8C00
Analogous#00248C, #68008C
Triadic#8C2200, #008C22
Split complementary#8C6800, #248C00
Tetradic#8C0024, #6A8C00, #008C68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8159FF
Lighter +30%#5B26FF
Lighter +20%#3B00F2
Lighter +10%#2E00BF
Darker −10%#160059
Darker −20%#090026
Darker −30%#000000
Darker −40%#000000
More saturated +25%#22008C
Less saturated −25%#2B127B

Channel breakdown

R34
G0
B140
Red34 (13.3%)
Green0 (0%)
Blue140 (54.9%)
Hue254.57°
Saturation (HSL)100%
Lightness27.45%
Dominant channelBlue
Hex per channelR 22 · G 00 · B 8C

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Every value on this page was computed from “22008c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.