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Colour

#4080BD

  • #4080BD
  • Blue
  • Dark
  • Nearest: Steel blue

#4080BD is a blue with RGB values 64, 128, 189 and HSL 209°, 49%, 50%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4080BD#4080BD
HEX#4080BD
RGBrgb(64, 128, 189)
RGB (0–1)0.251, 0.502, 0.7412
RGB percentages25.1%, 50.2%, 74.1%
HSLhsl(209.3, 49.4%, 49.6%)
HSV / HSBhsv(209.3, 66.1%, 74.1%)
CMYK66.1%, 32.3%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,227,261
CSS custom property--colour: #4080BD;

Brightness & contrast

Relative luminance0.20202WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.04:1
Contrast with white4.17:1WCAG normal text: Fail
Contrast with black5.04:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#BF7F42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6583C0no red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#5477BCno green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#008E96no blue cones; rare, and affects men and women equally; ΔE 37 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.17:1WCAG large text: AA
Contrast with black, large text5.04:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.6Cornflower blue · ΔE 18.2Deep skyblue · ΔE 26.8Light slate grey · ΔE 27.2Slate grey · ΔE 27.5Dodgerblue · ΔE 28.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD7D40
Analogous#40BDBB, #4042BD
Triadic#BD4080, #80BD40
Split complementary#BD4042, #BDBB40
Tetradic#BB40BD, #BD7D40, #42BD40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7E5F2
Lighter +30%#B1CCE5
Lighter +20%#8BB2D8
Lighter +10%#6599CB
Darker −10%#336697
Darker −20%#264C71
Darker −30%#19334B
Darker −40%#0C1925
More saturated +25%#2081DD
Less saturated −25%#607F9D

Channel breakdown

R64
G128
B189
Red64 (25.1%)
Green128 (50.2%)
Blue189 (74.1%)
Hue209.28°
Saturation (HSL)49.41%
Lightness49.61%
Dominant channelBlue
Hex per channelR 40 · G 80 · B BD

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Every value on this page was computed from “4080bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.