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Recognised as Colour

#000646

  • #000646
  • Blue
  • Dark
  • Nearest: Midnight blue

#000646 is a blue with RGB values 0, 6, 70 and HSL 235°, 100%, 14%. It is a dark colour, so white text on it reaches 18.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#000646#000646
HEX#000646
RGBrgb(0, 6, 70)
RGB (0–1)0, 0.0235, 0.2745
RGB percentages0%, 2.4%, 27.5%
HSLhsl(234.9, 100%, 13.7%)
HSV / HSBhsv(234.9, 100%, 27.5%)
CMYK100%, 91.4%, 0%, 72.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,606
CSS custom property--colour: #000646;

Brightness & contrast

Relative luminance0.00572WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.84:1
Contrast with white18.84:1WCAG normal text: AAA
Contrast with black1.11:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#FFF9B9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001548no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#000D45no green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#001B27no blue cones; rare, and affects men and women equally; ΔE 40.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.84:1WCAG large text: AAA
Contrast with black, large text1.11:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 16.8Dark slateblue · ΔE 25.9Rebecca purple · ΔE 34.4Indigo · ΔE 34.6Navy · ΔE 35.6Dark blue · ΔE 40.8
Nearest named CSS colourMidnight blue (#191970)ΔE 16.85, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#464000
Analogous#002946, #1D0046
Triadic#460006, #064600
Split complementary#461D00, #294600
Tetradic#460029, #464000, #00461D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1327FF
Lighter +30%#0013DF
Lighter +20%#000FAC
Lighter +10%#000A79
Darker −10%#000213
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000646
Less saturated −25%#090D3D

Channel breakdown

R0
G6
B70
Red0 (0%)
Green6 (2.4%)
Blue70 (27.5%)
Hue234.86°
Saturation (HSL)100%
Lightness13.73%
Dominant channelBlue
Hex per channelR 00 · G 06 · B 46

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Every value on this page was computed from “hex 000646” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.