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Recognised as Colour

#166A9A

  • #166A9A
  • Blue
  • Dark
  • Nearest: Steel blue

#166A9A is a blue with RGB values 22, 106, 154 and HSL 202°, 75%, 35%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#166A9A#166A9A
HEX#166A9A
RGBrgb(22, 106, 154)
RGB (0–1)0.0863, 0.4157, 0.6039
RGB percentages8.6%, 41.6%, 60.4%
HSLhsl(201.8, 75%, 34.5%)
HSV / HSBhsv(201.8, 85.7%, 60.4%)
CMYK85.7%, 31.2%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,469,082
CSS custom property--colour: #166A9A;

Brightness & contrast

Relative luminance0.12812WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.89:1
Contrast with white5.89:1WCAG normal text: AA
Contrast with black3.56:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#E99565

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#536B9Cno red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#415F99no green cones; the most common form, about 1% of men; ΔE 13.5 from the original
Tritanopia#00767Bno blue cones; rare, and affects men and women equally; ΔE 29.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.89:1WCAG large text: AAA
Contrast with black, large text3.56:1WCAG large text: AA

Named colours

Steel blue · ΔE 10.2Slate grey · ΔE 24.8Light slate grey · ΔE 25.8Cornflower blue · ΔE 29.8Dark slate grey · ΔE 31.6Dim grey · ΔE 33.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.2, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A4616
Analogous#169A88, #16289A
Triadic#9A166A, #6A9A16
Split complementary#9A1628, #9A8816
Tetradic#88169A, #9A4616, #289A16

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DCBEF
Lighter +30%#61B7E8
Lighter +20%#34A3E2
Lighter +10%#1C89C7
Darker −10%#104B6D
Darker −20%#092D41
Darker −30%#030E14
Darker −40%#000000
More saturated +25%#0070B0
Less saturated −25%#2C6484

Channel breakdown

R22
G106
B154
Red22 (8.6%)
Green106 (41.6%)
Blue154 (60.4%)
Hue201.82°
Saturation (HSL)75%
Lightness34.51%
Dominant channelBlue
Hex per channelR 16 · G 6A · B 9A

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Every value on this page was computed from “166a9a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.