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Recognised as Colour

#4071BF

  • #4071BF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4071BF is a blue with RGB values 64, 113, 191 and HSL 217°, 50%, 50%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4071BF#4071BF
HEX#4071BF
RGBrgb(64, 113, 191)
RGB (0–1)0.251, 0.4431, 0.749
RGB percentages25.1%, 44.3%, 74.9%
HSLhsl(216.9, 49.8%, 50%)
HSV / HSBhsv(216.9, 66.5%, 74.9%)
CMYK66.5%, 40.8%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,223,423
CSS custom property--colour: #4071BF;

Brightness & contrast

Relative luminance0.16662WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.85:1
Contrast with white4.85:1WCAG normal text: AA
Contrast with black4.33:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#BF8E40

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D78C2no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#3A6CBDno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00838Fno blue cones; rare, and affects men and women equally; ΔE 46.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.85:1WCAG large text: AAA
Contrast with black, large text4.33:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 14.5Steel blue · ΔE 19.4Dodgerblue · ΔE 21Dark slateblue · ΔE 24.4Royal blue · ΔE 26Medium purple · ΔE 29.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.52, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF8E40
Analogous#40B0BF, #4F40BF
Triadic#BF4071, #71BF40
Split complementary#BF4E40, #B1BF40
Tetradic#BF40B0, #BF8E40, #40BF4E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9E3F2
Lighter +30%#B3C6E5
Lighter +20%#8CAAD9
Lighter +10%#668DCC
Darker −10%#335A99
Darker −20%#264473
Darker −30%#1A2D4C
Darker −40%#0D1726
More saturated +25%#206ADF
Less saturated −25%#60789F

Channel breakdown

R64
G113
B191
Red64 (25.1%)
Green113 (44.3%)
Blue191 (74.9%)
Hue216.85°
Saturation (HSL)49.8%
Lightness50%
Dominant channelBlue
Hex per channelR 40 · G 71 · B BF

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Every value on this page was computed from “4071bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.