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Recognised as Colour

#3189CD

  • #3189CD
  • Blue
  • Dark
  • Nearest: Steel blue

#3189CD is a blue with RGB values 49, 137, 205 and HSL 206°, 61%, 50%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3189CD#3189CD
HEX#3189CD
RGBrgb(49, 137, 205)
RGB (0–1)0.1922, 0.5373, 0.8039
RGB percentages19.2%, 53.7%, 80.4%
HSLhsl(206.2, 61.4%, 49.8%)
HSV / HSBhsv(206.2, 76.1%, 80.4%)
CMYK76.1%, 33.2%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,246,541
CSS custom property--colour: #3189CD;

Brightness & contrast

Relative luminance0.22952WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.59:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.59:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#CE7632

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6A8CD0no red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#537DCCno green cones; the most common form, about 1% of men; ΔE 12.8 from the original
Tritanopia#0099A1no blue cones; rare, and affects men and women equally; ΔE 39.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.59:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.7Cornflower blue · ΔE 15.5Deep skyblue · ΔE 23Dodgerblue · ΔE 24.9Light skyblue · ΔE 29.5Light slate grey · ΔE 31.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD7531
Analogous#31CDC3, #313BCD
Triadic#CD3189, #89CD31
Split complementary#CD313B, #CDC331
Tetradic#C331CD, #CD7531, #3BCD31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5E7F5
Lighter +30%#ACD0EB
Lighter +20%#83B8E1
Lighter +10%#5AA1D7
Darker −10%#276DA4
Darker −20%#1D527B
Darker −30%#133652
Darker −40%#0A1B28
More saturated +25%#118DED
Less saturated −25%#5185AD

Channel breakdown

R49
G137
B205
Red49 (19.2%)
Green137 (53.7%)
Blue205 (80.4%)
Hue206.15°
Saturation (HSL)61.42%
Lightness49.8%
Dominant channelBlue
Hex per channelR 31 · G 89 · B CD

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Every value on this page was computed from “3189cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.