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Recognised as Colour

#0643BC

  • #0643BC
  • Blue
  • Dark
  • Nearest: Royal blue

#0643BC is a blue with RGB values 6, 67, 188 and HSL 220°, 94%, 38%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0643BC#0643BC
HEX#0643BC
RGBrgb(6, 67, 188)
RGB (0–1)0.0235, 0.2627, 0.7373
RGB percentages2.4%, 26.3%, 73.7%
HSLhsl(219.9, 93.8%, 38%)
HSV / HSBhsv(219.9, 96.8%, 73.7%)
CMYK96.8%, 64.4%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer410,556
CSS custom property--colour: #0643BC;

Brightness & contrast

Relative luminance0.07684WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.28:1
Contrast with white8.28:1WCAG normal text: AAA
Contrast with black2.54:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#F9BC43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057C0no red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#0046BAno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#006479no blue cones; rare, and affects men and women equally; ΔE 69.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.28:1WCAG large text: AAA
Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Royal blue · ΔE 15.9Slate blue · ΔE 16Medium slateblue · ΔE 20.9Rebecca purple · ΔE 23.1Midnight blue · ΔE 25.2Navy · ΔE 25.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BC7F06
Analogous#069EBC, #2406BC
Triadic#BC0643, #43BC06
Split complementary#BC2406, #9EBC06
Tetradic#BC069E, #BC7F06, #06BC24

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92B6FC
Lighter +30%#6194FA
Lighter +20%#3073F8
Lighter +10%#0855ED
Darker −10%#04318B
Darker −20%#032059
Darker −30%#010E28
Darker −40%#000000
More saturated +25%#0041C2
Less saturated −25%#1E4BA4

Channel breakdown

R6
G67
B188
Red6 (2.4%)
Green67 (26.3%)
Blue188 (73.7%)
Hue219.89°
Saturation (HSL)93.81%
Lightness38.04%
Dominant channelBlue
Hex per channelR 06 · G 43 · B BC

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Every value on this page was computed from “0643bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.