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Recognised as Colour

#1663BA

  • #1663BA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#1663BA is a blue with RGB values 22, 99, 186 and HSL 212°, 79%, 41%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1663BA#1663BA
HEX#1663BA
RGBrgb(22, 99, 186)
RGB (0–1)0.0863, 0.3882, 0.7294
RGB percentages8.6%, 38.8%, 72.9%
HSLhsl(211.8, 78.8%, 40.8%)
HSV / HSBhsv(211.8, 88.2%, 72.9%)
CMYK88.2%, 46.8%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,467,322
CSS custom property--colour: #1663BA;

Brightness & contrast

Relative luminance0.12639WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.95:1
Contrast with white5.95:1WCAG normal text: AA
Contrast with black3.53:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#E99C45

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#326BBDno red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#005DB8no green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#007885no blue cones; rare, and affects men and women equally; ΔE 50.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.95:1WCAG large text: AAA
Contrast with black, large text3.53:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 20Dodgerblue · ΔE 20.6Royal blue · ΔE 21Dark slateblue · ΔE 21.4Slate blue · ΔE 25.9Steel blue · ΔE 26.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 19.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA6D16
Analogous#16B5BA, #1B16BA
Triadic#BA1663, #63BA16
Split complementary#BA1B16, #B5BA16
Tetradic#BA16B5, #BA6D16, #16BA1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7CCF5
Lighter +30%#7AB1EF
Lighter +20%#4C96EA
Lighter +10%#1F7BE4
Darker −10%#114B8C
Darker −20%#0B325F
Darker −30%#061A31
Darker −40%#000204
More saturated +25%#0062D0
Less saturated −25%#3065A0

Channel breakdown

R22
G99
B186
Red22 (8.6%)
Green99 (38.8%)
Blue186 (72.9%)
Hue211.83°
Saturation (HSL)78.85%
Lightness40.78%
Dominant channelBlue
Hex per channelR 16 · G 63 · B BA

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Every value on this page was computed from “1663ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.