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Colour

#4080BF

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

#4080BF is a blue with RGB values 64, 128, 191 and HSL 210°, 50%, 50%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4080BF#4080BF
HEX#4080BF
RGBrgb(64, 128, 191)
RGB (0–1)0.251, 0.502, 0.749
RGB percentages25.1%, 50.2%, 74.9%
HSLhsl(209.8, 49.8%, 50%)
HSV / HSBhsv(209.8, 66.5%, 74.9%)
CMYK66.5%, 33%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,227,263
CSS custom property--colour: #4080BF;

Brightness & contrast

Relative luminance0.2029WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.06:1
Contrast with white4.15:1WCAG normal text: Fail
Contrast with black5.06:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#BF7F40

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6483C2no red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#5377BEno green cones; the most common form, about 1% of men; ΔE 9.2 from the original
Tritanopia#008F97no blue cones; rare, and affects men and women equally; ΔE 38.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.15:1WCAG large text: AA
Contrast with black, large text5.06:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.8Cornflower blue · ΔE 17.1Deep skyblue · ΔE 27Dodgerblue · ΔE 27.4Light slate grey · ΔE 28.2Slate grey · ΔE 28.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.81, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF7F40
Analogous#40BFBF, #4040BF
Triadic#BF4080, #80BF40
Split complementary#BF4040, #BFBF40
Tetradic#BF40BF, #BF7F40, #41BF40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9E6F2
Lighter +30%#B3CCE5
Lighter +20%#8CB3D9
Lighter +10%#6699CC
Darker −10%#336699
Darker −20%#264D73
Darker −30%#1A334C
Darker −40%#0D1A26
More saturated +25%#2080DF
Less saturated −25%#60809F

Channel breakdown

R64
G128
B191
Red64 (25.1%)
Green128 (50.2%)
Blue191 (74.9%)
Hue209.76°
Saturation (HSL)49.8%
Lightness50%
Dominant channelBlue
Hex per channelR 40 · G 80 · B BF

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