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Recognised as Colour

#0647DD

  • #0647DD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0647DD is a blue with RGB values 6, 71, 221 and HSL 222°, 95%, 45%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0647DD#0647DD
HEX#0647DD
RGBrgb(6, 71, 221)
RGB (0–1)0.0235, 0.2784, 0.8667
RGB percentages2.4%, 27.8%, 86.7%
HSLhsl(221.9, 94.7%, 44.5%)
HSV / HSBhsv(221.9, 97.3%, 86.7%)
CMYK97.3%, 67.9%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer411,613
CSS custom property--colour: #0647DD;

Brightness & contrast

Relative luminance0.09766WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.11:1
Contrast with white7.11:1WCAG normal text: AAA
Contrast with black2.95:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#F9B822

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0062E2no red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#004EDAno green cones; the most common form, about 1% of men; ΔE 7 from the original
Tritanopia#00718Cno blue cones; rare, and affects men and women equally; ΔE 82.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.11:1WCAG large text: AAA
Contrast with black, large text2.95:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 20.8Royal blue · ΔE 24.1Slate blue · ΔE 24.5Dark blue · ΔE 26.7Blue violet · ΔE 28.6Navy · ΔE 29.4
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD9C06
Analogous#06B2DD, #3106DD
Triadic#DD0647, #47DD06
Split complementary#DD3106, #B2DD06
Tetradic#DD06B2, #DD9C06, #06DD31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B2C9FD
Lighter +30%#80A6FC
Lighter +20%#4F83FA
Lighter +10%#1D60F9
Darker −10%#0537AB
Darker −20%#03277A
Darker −30%#021748
Darker −40%#010716
More saturated +25%#0045E3
Less saturated −25%#2252C1

Channel breakdown

R6
G71
B221
Red6 (2.4%)
Green71 (27.8%)
Blue221 (86.7%)
Hue221.86°
Saturation (HSL)94.71%
Lightness44.51%
Dominant channelBlue
Hex per channelR 06 · G 47 · B DD

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Every value on this page was computed from “0647dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.