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Recognised as Colour

#16008A

  • #16008A
  • Blue
  • Dark
  • Nearest: Dark blue

#16008A is a blue with RGB values 22, 0, 138 and HSL 250°, 100%, 27%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#16008A#16008A
HEX#16008A
RGBrgb(22, 0, 138)
RGB (0–1)0.0863, 0, 0.5412
RGB percentages8.6%, 0%, 54.1%
HSLhsl(249.6, 100%, 27.1%)
HSV / HSBhsv(249.6, 100%, 54.1%)
CMYK84.1%, 100%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,441,930
CSS custom property--colour: #16008A;

Brightness & contrast

Relative luminance0.02006WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.99:1
Contrast with white14.99:1WCAG normal text: AAA
Contrast with black1.4:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#E9FF75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002D8Dno red cones; affects about 1% of men; ΔE 25.8 from the original
Deuteranopia#002088no green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#00364Fno blue cones; rare, and affects men and women equally; ΔE 73.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.99:1WCAG large text: AAA
Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Dark blue · ΔE 2.1Navy · ΔE 4.4Indigo · ΔE 14.4Midnight blue · ΔE 25.4Rebecca purple · ΔE 27.3Medium blue · ΔE 31.3
Nearest named CSS colourDark blue (#00008B)ΔE 2.07, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#748A00
Analogous#002F8A, #5B008A
Triadic#8A1600, #008A16
Split complementary#8A5B00, #2F8A00
Tetradic#8A002F, #748A00, #008A5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7257FF
Lighter +30%#4724FF
Lighter +20%#2600F0
Lighter +10%#1E00BD
Darker −10%#0E0057
Darker −20%#060024
Darker −30%#000000
Darker −40%#000000
More saturated +25%#16008A
Less saturated −25%#221179

Channel breakdown

R22
G0
B138
Red22 (8.6%)
Green0 (0%)
Blue138 (54.1%)
Hue249.57°
Saturation (HSL)100%
Lightness27.06%
Dominant channelBlue
Hex per channelR 16 · G 00 · B 8A

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Every value on this page was computed from “16008a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.