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Recognised as Colour

#1655B7

  • #1655B7
  • Blue
  • Dark
  • Nearest: Royal blue

#1655B7 is a blue with RGB values 22, 85, 183 and HSL 217°, 79%, 40%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1655B7#1655B7
HEX#1655B7
RGBrgb(22, 85, 183)
RGB (0–1)0.0863, 0.3333, 0.7176
RGB percentages8.6%, 33.3%, 71.8%
HSLhsl(216.5, 78.5%, 40.2%)
HSV / HSBhsv(216.5, 88%, 71.8%)
CMYK88%, 53.6%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,463,735
CSS custom property--colour: #1655B7;

Brightness & contrast

Relative luminance0.10086WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.96:1
Contrast with white6.96:1WCAG normal text: AA
Contrast with black3.02:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#E9AA48

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0061BAno red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#0053B5no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#006D7Dno blue cones; rare, and affects men and women equally; ΔE 56.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.96:1WCAG large text: AAA
Contrast with black, large text3.02:1WCAG large text: AA

Named colours

Royal blue · ΔE 14.7Dark slateblue · ΔE 18.1Slate blue · ΔE 18.6Dodgerblue · ΔE 24Medium purple · ΔE 25.6Rebecca purple · ΔE 26.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B77816
Analogous#16A6B7, #2716B7
Triadic#B71655, #55B716
Split complementary#B72716, #A6B716
Tetradic#B716A6, #B77816, #16B727

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5C4F4
Lighter +30%#77A6EF
Lighter +20%#4A88E9
Lighter +10%#1C6AE4
Darker −10%#114089
Darker −20%#0B2B5C
Darker −30%#06162E
Darker −40%#000001
More saturated +25%#0050CD
Less saturated −25%#305B9D

Channel breakdown

R22
G85
B183
Red22 (8.6%)
Green85 (33.3%)
Blue183 (71.8%)
Hue216.52°
Saturation (HSL)78.54%
Lightness40.2%
Dominant channelBlue
Hex per channelR 16 · G 55 · B B7

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Every value on this page was computed from “1655b7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.