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Colour

#1600A9

  • #1600A9
  • Blue
  • Dark
  • Nearest: Dark blue

#1600A9 is a blue with RGB values 22, 0, 169 and HSL 248°, 100%, 33%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1600A9#1600A9
HEX#1600A9
RGBrgb(22, 0, 169)
RGB (0–1)0.0863, 0, 0.6627
RGB percentages8.6%, 0%, 66.3%
HSLhsl(247.8, 100%, 33.1%)
HSV / HSBhsv(247.8, 100%, 66.3%)
CMYK87%, 100%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,441,961
CSS custom property--colour: #1600A9;

Brightness & contrast

Relative luminance0.03035WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.07:1
Contrast with white13.07:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#E9FF56

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0039ADno red cones; affects about 1% of men; ΔE 30 from the original
Deuteranopia#0028A7no green cones; the most common form, about 1% of men; ΔE 19.6 from the original
Tritanopia#004461no blue cones; rare, and affects men and women equally; ΔE 86.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.07:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark blue · ΔE 13.5Medium blue · ΔE 16.7Navy · ΔE 18.7Blue violet · ΔE 25Indigo · ΔE 25.7Dark violet · ΔE 27.5
Nearest named CSS colourDark blue (#00008B)ΔE 13.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#93A900
Analogous#003FA9, #6B00A9
Triadic#A91600, #00A916
Split complementary#A96A00, #3FA900
Tetradic#A9003E, #93A900, #00A96A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8876FF
Lighter +30%#5B43FF
Lighter +20%#2F10FF
Lighter +10%#1D00DC
Darker −10%#0F0076
Darker −20%#090043
Darker −30%#020010
Darker −40%#000000
More saturated +25%#1600A9
Less saturated −25%#261594

Channel breakdown

R22
G0
B169
Red22 (8.6%)
Green0 (0%)
Blue169 (66.3%)
Hue247.81°
Saturation (HSL)100%
Lightness33.14%
Dominant channelBlue
Hex per channelR 16 · G 00 · B A9

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Every value on this page was computed from “1600a9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.